WZOI基础题库1-180题

wyf1202 · 2022-11-26 19:26:10 · 个人记录

入坑网站 wzoi.cc

方便大家复制不写注释了文章有点长，总共 1236 1786 行

1.Hello World

int main(){
    cout << "Hello World!";
}

2.打印Hello World

int main(){
    cout<<"**************************"<<endl<<"         Very    Good!"<<endl<<"**************************";
}

3.默写数字

int main(){
    int n;
    cin>>n;
    cout<<n;
}

4.A+B Problem

int main(){
    int a,b,c;
    cin>>a>>b;
    cout<<a+b<<endl;
}

5.输出第二个整数

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    cout<<b;
}

6.求一个数的前后两个数

int main(){
    int n,x;
    cin>>n>>x;
    cout<<n-x<<endl<<n+x<<endl;
}

7.竖式计算

int main() {
    int a,b;
    cin>>a>>b;
    printf("%10d\n%4c%6d\n-----------\n%10d",a,'+',b,a+b);
}

8.植树造林

int main(){
    int a,b;
    cin>>a>>b;
    cout<<a*b<<endl;
}

9.求自行车总价

int main(){
    int a;
    cin>>a;
    cout<<a*300;
}

10.三位数

int main(){
    int ge,shi,bai;
    cin>>shi;
    bai=shi+1;
    ge=bai*2;
    cout<<bai<<shi<<ge;
}

11.做蛋糕

int main(){
    int a1,a2,a3,b1,b2,b3;
    cin>>a1>>a2>>a3>>b1>>b2>>b3;
    cout<<a1*b1+a2*b2+a3*b3<<endl;
}

12.计算(a+b)*c的值

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    cout<<(a+b)*c;
}

13.求余数

int main(){
    int a,b;
    cin>>a>>b;
    cout<<a%b;
}

14.计算(a+b)/c的值

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    cout<<(a+b)/c;
}

15.小玉买文具

int main(){
    int a,b;
    cin>>a>>b;
    cout<<(a*10+b)/19;
}

16.买苹果

int main(){
    int a,b;
    cin>>a;
    cout<<(a/3)*4+a%3;
}

17.买牛奶

int main(){
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    cout<<d/a*a/b*c+(d/a);
}

18.小鱼的游泳时间

int main(){
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    cout<<((c-a)*60+d-b)/60<<" "<<((c-a)*60+d-b)%60;
}

19.周长与面积

int main(){
    int a,b;
    cin>>a>>b;
    cout<<"perimeter="<<(a+b)*2<<endl<<"area="<<a*b;
}

20.求筝形面积

int main(){
    long long a,b;
    cin>>a>>b;
    cout<<a*b;
}

21.求正立方体表面积

int main(){
    int a;
    cin>>a;
    cout<<a*a*6;
}

22.输出保留3位小数的浮点数

int main(){
    double x;
    cin>>x;
    cout<<fixed<<setprecision(3)<<x;
}

23.工资

int main(){
    int x,y;
    double z;
    cin>>x>>y>>z;
    cout<<"NUMBER = "<<x<<endl<<fixed<<setprecision(2)<<"SALARY = U$ "<<y*z;
}

24.四舍五入

int main(){
    int y;
    double x;
    cin>>x>>y;
    cout<<fixed<<setprecision(y)<<x;
}

25.求梯形面积

int main(){
    double a,b,c;
    cin>>a>>b>>c;
    cout<<fixed<<setprecision(2)<<(a+b)*c/2;
}

26.梯形面积

int main(){   
    double a;
    cout<<fixed<<setprecision(2)<<160.0*2/15*(15+25)/2;
}

27.求圆柱体表面积

int main(){
    double r,h;
    cin>>r>>h;
    cout<<fixed<<setprecision(2)<<2*(3.14*r*r)+2*(3.14*r*h);
}

28.计算总成绩与平均成绩

int main(){
    double a,b,c,d;
    cin>>a>>b>>c>>d;
    cout<<fixed<<setprecision(2)<<a+b+c+d<<endl<<(a+b+c+d)/4;
}

29.新平均成绩

int main(){
    double x,score,n;
    cin>>x>>score>>n;
    cout<<fixed<<setprecision(3)<<(x*n-score)/(n-1);
}

30.歌手大奖赛

注意题目输出需要6.2lf或者setw(6)

int main(){
    double score;
    printf("%6.2lf",((9.6*6)-((9.6*12)-(9.4*5)-(9.8*5)))/4);
}

31.奇葩的饭店

int main(){
    double a,b;
    cin>>a>>b;
    cout<<fixed<<setprecision(4)<<b/(a/100);
}

32.猜数游戏

int main(){
    int x;
    cin>>x;
    cout<<(x*1000+x)/7/11/13;
}

33.求根号x的值

int main(){
    int x;
    cin>>x;
    cout<<fixed<<setprecision(3)<<sqrt(x);
}

34.求logx

int main(){
    double x;
    cin>>x;
    cout<<fixed<<setprecision(3)<<log(x)<<endl<<log10(x)<<endl<<log2(x);
}

35.求两者较大值的max函数的用法

int main(){
    char c;
    int a,b;
    cin>>a>>c>>b;
    cout<<"max="<<max(a,b);
}

36.求自行车和三轮车各是多少辆

int main(){
    int a,b;
    cin>>a>>b;
    cout<<(a*3-b)/(3-2)<<" "<<(b-a*2)/(3-2);
}

37.鸡兔同笼

int main(){
    int x,y,m,n;
    cin>>x>>y;
    cout<<(x-(y*2))/(4-2)<<" "<<((y*4)-x)/(4-2);
}

38.计算路程

int main(){
    double v,t;
    cin>>v>>t;
    cout<<fixed<<setprecision(2)<<v*t;
}

39.带余除法

int main(){
    int a,b;
    cin>>a>>b;
    cout<<a/b<<" "<<a%b;
}

40.交换门牌号

int main(){
    int s;
    cin>>s;
    cout<<s%10<<s/10;
}

41.密码

int main(){
    long long m,s=1,i;
    cin>>m;
    for(i=m;i>m-3;i--)s*=i;
    cout<<s;
}

42.浮点数向零舍入

int main(){
    double n;
    cin>>n;
    cout<<int(n);
}

43.计算浮点数相除的余数

int main(){
    double a,b;
    cin>>a>>b;
    cout<<fixed<<setprecision(4)<<a-b*int(a/b);
}

44.整型数据类型存储空间大小

int main(){
    long long a;
    int b;
    short c;
    cout<<sizeof(a)<<" "<<sizeof(b)<<" "<<sizeof(c);
}

45.浮点型数据类型存储空间大小

int main(){
    float a;
    double b;
    cout<<sizeof(a)<<" "<<sizeof(b);
}

46.其他基本数据类型存储空间大小

int main(){
    bool a;
    char b;
    cout<<sizeof(a)<<" "<<sizeof(c);
}

47.空格分隔输出

int main(){
    char a; int b;  float c;    double d;
    cin>>a>>b>>c>>d;
    cout<<fixed<<setprecision(6)<<a<<" "<<b<<" "<<c<<" "<<d<<endl;
}

48.整型与布尔型的转换

int main(){
    int a;  bool b;
    cin>>a;
    cout<<int(bool(a));
}

49.字符三角形

int main(){
    char a;
    cin>>a;
    cout<<"  "<<a<<endl<<" "<<a<<a<<a<<endl<<a<<a<<a<<a<<a<<endl;
}

50.字符菱形

int main(){
    char a;
    cin>>a;
    cout<<"  "<<a<<endl<<" "<<a<<a<<a<<endl<<a<<a<<a<<a<<a<<endl<<" "<<a<<a<<a<<endl<<"  "<<a<<endl;
}

51.读取单个字符的getchar()函数

int main(){
    char c;
    c=getchar();
    cout<<c<<endl;
}

52.打印ASCII码

int main(){
    char a;
    cin>>a;
    cout<<int(a);
}

53.打印字符

int main(){
    int b;
    cin>>b;
    cout<<char(b);
}

54.大写字母转小写字母

int main(){
    char a;
    cin>>a;
    cout<<char(a+32);
}

55.特殊输出

int main(){
    int a,b;
    cin>>a>>b;
    printf("%*d\n%0*d\n%-*d\n",b,a,b,a,b,a);
}

56.特殊输出2

int main(){
    double a;
    int b;
    cin>>a>>b;
    printf("%*.3lf\n%0*.3lf\n%-*.3lf\n",b,a,b,a,b,a);
}

57.字符变换

int main(){
    char c1,c2,c3;
    int a1,a2,a3;
    cin>>c1>>c2>>c3>>a1>>a2>>a3;
    cout<<char(c1+pow(2,a1))<<" "<<char(c2+pow(2,a2))<<" "<<char(c3+pow(2,a3))<<" ";
}

58.加密算法

int main(){
    char a;
    cin>>a;
    cout<<char(122-a+97);
}

59.甲流疫情死亡率

int main(){
    double a,b;
    cin>>a>>b;
    cout<<fixed<<setprecision(3)<<b/(a/100)<<"%";
}

60.计算多项式的值

int main(){
    double a,b,c,d,x;
    cin>>x>>a>>b>>c>>d;
        cout<<fixed<<setprecision(7)<<a*x*x*x+b*x*x+c*x+d;
}

61.数列取数

int main(){
    long long a,b,c;
    cin>>a>>b>>c;
    cout<<a*2+b*4+c*8;
}

62.填充矩形

int main(){
    int n,m,a,b,c;
    cin>>n>>m>>a;
    cout<<int(n/a)*int(m/a);
}

63.大象喝水

int main(){
    int h,r;
    cin>>h>>r;
    cout<<ceil(20000/(3.14159*r*r*h));
}

64.求等差为3的数列

int main(){
    int a;
    cin>>a;
    cout<<(2+(a-1)*3+2)*a/2;
}

65.等差数列末项计算

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    cout<<(b-a)*(c-1)+a;
}

66.计算线段长度

int main(){
    int Xa,Ya,Xb,Yb;
    double a;
    cin>>Xa>>Ya>>Xb>>Yb;
    cout<<fixed<<setprecision(3)<<double(abs(sqrt((Xb-Xa)*(Xb-Xa)+(Yb-Ya)*(Yb-Ya))));
}

67.计算折线长度

int main(){
    double Xa,Ya,Xb,Yb,Xc,Yc,a=0;
    cin>>Xa>>Ya>>Xb>>Yb>>Xc>>Yc;
    a+=sqrt(abs((0-Xa)*(0-Xa)+(0-Ya)*(0-Ya)));
    a+=sqrt(abs((Xb-Xa)*(Xb-Xa)+(Yb-Ya)*(Yb-Ya)));
    a+=sqrt(abs((Xc-Xb)*(Xc-Xb)+(Yc-Yb)*(Yc-Yb)));
    cout<<fixed<<setprecision(5)<<a;
}

68.送午饭

int main(){
    int x1,y1,x2,y2,h,v;
    double a=0;
    cin>>h>>v>>x1>>y1>>x2>>y2;
    a+=abs(sqrt((x1-0)*(x1-0)+(y1-0)*(y1-0)));
    a+=abs(sqrt((x2-0)*(x2-0)+(y2-0)*(y2-0)));
    a+=h;`a/=v;
    cout<<fixed<<setprecision(2)<<a;
}

69.计算曼哈顿距离

int main(){
    double x1,y1,x2,y2,a=0;
    cin>>x1>>y1>>x2>>y2;
    a=abs(x1-x2)+abs(y1-y2);
    cout<<fixed<<setprecision(3)<<abs(x1-x2)+abs(y1-y2);
}

70.计算球的体积

int main(){
    double x;
    cin>>x;
    cout<<fixed<<setprecision(2)<<4.0/3*3.14*x*x*x;
}

71.计算并联电阻的阻值

int main(){
    double r1,r2;
    cin>>r1>>r2; 
    cout<<fixed<<setprecision(2)<<1/(1/r1+1/r2);
}

72.求面积差

寻求老师的帮忙……

int main() {
    cout<<0.1642;
}

73.整数反转

第40题的加强版

int main(){
    char a,b,c;
    cin>>a>>b>>c; 
    cout<<c<<b<<a;
}

74.变量交换

swap(,)函数

int main(){
    int a,b;
    cin>>a>>b;
    swap(a,b);
    cout<<a<<" "<<b;
}

75.交换三个字符并输出

int main(){
    char a,b,c;
    cin>>a>>b>>c;
    cout<<c<<b<<a;
}

76.计算塔高

寻求老师的帮助……

int main() {
    double l,a,b,m;
    const double PI=3.14159;
    cin>>l>>a>>b;
    a=a/180*PI;
    b=b/180*PI;
    m=l/(1/tan(b)-1/tan(a));
    printf("%.3f", m);
}

77.判断奇偶

int main(){
    int a;
    cin>>a;
    if(a%2==0)cout<<"even";
    else cout<<"odd";
}

78.判断是否被5整除

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    if(a%5==0 && b%5==0 && c%5==0)cout<<"Y es.";
    else cout<<"No_";
}

79.判断一个数能否同时被3和5整除

int main(){
    int n;
    cin>>n;
    if(n%5==0&&n%3==0)cout<<"YES";
    else cout<<"NO";
}

80.打车费用

int main() {
    double lucheng,shijian,feiyong=0;
    cin>>lucheng>>shijian;
    if(lucheng>10)feiyong=11+(10-2)*1.8+(lucheng-10)*1.8*1.5;
    else if(lucheng>2)feiyong=11+(lucheng-2)*1.8;
    else feiyong=11;
    feiyong+=int(shijian/3);
    cout<<fixed<<setprecision(1)<<feiyong;
}

81.登录程序

int main(){   
    int username=0,password=0;
    cin>>username>>password;
    if(username==202201)
        if(password==123456)cout<<"welcome!";
        else cout<<"wrong password!"; 
    else cout<<"wrong user!";
}

82.旅游景点

int main(){
    double m;
    cin>>m;
    if(m<1.2) cout<<"free";
    else if(m>=1.2 && m<=1.5) cout<<"half-price ticket";
    else if(m>1.5) cout<<"full ticket";
}

83.判断超速

int main(){   
    double s,t;
    cin>>s>>t;
    if(3600/t*s>=100) cout<<fixed<<setprecision(2)<<"yes"<<endl<<3600/t*s;
    else cout<<"no";
}

84.区间测速

int main(){   
    double s,t;
    cin>>s>>t;
    if(3600/t*s>=100){
      cout<<fixed<<setprecision(2);
      if(3600/t*s>100 && 3600/t*s<120) cout<<"<20%";
      else if(3600/t*s>=120 && 3600/t*s<150) cout<<"<50%";
      else if(3600/t*s>=150 && 3600/t*s<170) cout<<"<70%";
      else if(3600/t*s>=170) cout<<">=70%";
      cout<<endl<<3600/t*s;
    }
    else cout<<"no";
}

85.判断闰年

int main(){   
    int nian;
    cin>>nian;
    if(nian%4==0&&nian%100||nian%400==0) cout<<"Y";
    else cout<<"N";
}

86.奇偶ASCII值判断

int main(){   
    char a;
    cin>>a;
    if(int(a)%2==0)cout<<"NO";
    else cout<<"YES";
}

87.整数大小比较

int main(){   
    long long a,b;
    cin>>a>>b;
    if(a>b) cout<<">";
    else if(a==b) cout<<"=";
    else if(a<b) cout<<"<";
}

88.判断是否为两位数

int main(){   
    long long a;
    cin>>a;
    cout<<a>=10&&a<=99;
}

89.测量体温

int main(){
    double t;
    cin>>t;
    if(t>=36.5 && t<=37.5) cout<<"Yes";
    else cout<<"No";
}

90.奇数偶数

int main(){
    int a;
    cin>>a;
    if(a%2==0)cout<<a-1;
    else cout<<a*2;
}

91.计算BMI指数

int main(){
    int kg;
    double m,BMI;
    cin>>kg>>m;
    BMI=kg/m/m;
    if(BMI<18.5) cout<<"thin!";
    else if(BMI>=18.5&&BMI<=25) cout<<"normal!";
    else cout<<"fat!";
}

92.运动打卡

int main(){
    int h;
    cin>>h;
    if(h<0) cout<<"error!";
    else if(h<30) cout<<"0";
    else if(h<45) cout<<"300";
    else if(h<60) cout<<"450";
    else cout<<"500";
}

93.星期几

int main(){
    int h;
    cin>>h;
    if(h<1||h>7)cout<<"input error!";
    else if(h==1) cout<<"Monday";
    else if(h==2) cout<<"Tuesday";
    else if(h==3) cout<<"Wednesday";
    else if(h==4) cout<<"Thursday";
    else if(h==5) cout<<"Friday";
    else if(h==6) cout<<"Saturday";
    else cout<<"Sunday";
}

94.晶晶赴约会

int main(){
    int d;
    cin>>d;
    if(d==1||d==3||d==5)cout<<"NO";
    else cout<<"YES";
}

95.过山车

int main(){
    int h1,h2,a,b,c,x=0;
    cin>>h1>>h2>>a>>b>>c;
    if(a<h1 && a>h2)x++;
    if(b<h1 && b>h2)x++;
    if(c<h1 && c>h2)x++;
    if(x)cout<<x;
    else cout<<-1;
}

96.拯救暴风城

int main(){
    int n,x,m;
    cin>>n>>x>>m;
    if(x*m>=n) cout<<"juruo pks!";
    else cout<<"ruoji cchuan!";
}

97.次方比较

int main(){
    int a,b,c;
    cin>>a>>b>>c;
    if(pow(a,b)<c) cout<<"Pks dalao!";
    else if(pow(a,b)==c) cout<<"pKs dalao!!";
    else cout<<"pkS dalao!!!";
}

98.托运价格

int main() {
    double w,a,b;
    scanf("%lf,%lf",&w,&a); 
    w*=1000;
    if(w==0)b=0;
    else if(w<=10)b=2.33;
    else if(w>10)b=2.33+(w-10)*1.165;
    cout<<fixed<<setprecision(3)<<b<<endl<<a-b;
}

99.计算甜甜圈面积

int main(){
    long double a,R,r;
    cin>>R>>r;
    if(R<=r)cout<<0;
    else cout<<fixed<<setprecision(11)<<3.14159265359*(pow(R,2)-pow(r,2));
}

100.苹果和虫子

int main() {
    int n,x,y,b;
    cin>>n>>x>>y;
    b=y/x;
    if(y%x!=0)b+=1;
    if(n-b<0)b=n;
    cout<<n-b;
}

101.计算成绩

int main(){
    double a,na,b,nb,c,nc,x,y;
    cin>>a>>na>>b>>nb>>c>>nc;
    x=(na-a)/a,y=(na-a+nb/(1+b)*b+c)/(a+nb/(1+b)+nc-c);
    if (x>=y)printf("%.2f",x-y);
    else cout<<"tan90";
}

102.选举

int main() {
    int n,m,a=0,b=0;
    for(int i=0;i<4;i++)
        cin>>n>>m,a+=n,b+=m;
    if(a>b)cout<<"qindingla!";
    else cout<<"too naive!";
}

103.说谎

int main(){
    bool a,b,c,d,a1,a2,a3,a4;
    cin>>a>>b>>c>>d,a4=1;
    if(a4==d)a3=1;
    else a3=0;
    if(a3==c)a2=1;
    else a2=0;
    if(a2==b)a1=1;
    else a1=0;
    cout<<a1<<" "<<a2<<" "<<a3<<" "<<a4;
}

104.装修

int main() {
    int n,m,k;
    cin>>n>>m>>k;
    if(m<k)cout<<m*n;
    else cout<<k*n;
}

105.英雄战士

int main() {
    int a,b,m,h;
    cin>>a>>b>>m>>h;
    if(min(h,m)>=min(a,b))cout<<"terrorist win";
    else cout<<"counter terrorist win";
}

106.追赶问题

int main(){
    int v1,v2;
    double x,t;
    cin>>x>>v1>>v2>>t;
    cout<<fixed<<setprecision(2);
    if(x/(v1-v2)<t)cout<<"Yes"<<" "<<x/(v1-v2);
    else cout<<"No";
}

107.撕票

int main(){
    long long time,ph,n,i;
    cin>>time>>ph>>n;
    if(n*time>ph)cout<<"\"PKS has been killed!\"";
    else cout<<"\"You have been killed by PKS!\"";
}

108.四叶玫瑰

int main() {
    int ge,shi,bai,qian,shu;
    cin>>shu;
    qian=shu/1000,bai=(shu/10)%10,shi=(shu/100)%10,ge=shu%10;
    if(pow(qian,4)+pow(bai,4)+pow(shi,4)+pow(ge,4)==shu)cout<<"yes";
    else cout<<"no";
}

109.判断分数

int main(){ 
    long long n,m,a,x,b,y;
    cin>>n>>m>>a>>x>>b>>y;
    if(a==x/m&&b==y/m)cout<<2333;
    else cout<<((abs(a-x/m)>abs(b-y/m))?abs(a-x/m)*m:abs(b-y/m)*m);
}

110.天命数

int main(){
    long long k,n,m,shu;
    cin>>n>>m>>k;
    if(k==1)shu=max(n,m)/min(n,m);
    if(k==2)shu=n+m;
    if(k==3)shu=(max(n,m)/min(n,m)*(n+m))/max(n,m)%min(n,m);
    if(shu==0)cout<<"cangtianyisi,huangtiandangli";
    else cout<<shu;
}

111.分段函数

int main(){
    int x;
    cin>>x;
    if(x>0)cout<<1<<endl;
    else if(x==0)cout<<0<<endl;
    else if(x<0)cout<<-1<<endl;
}

112.商场折扣

int main() {
    double x;
    cin>>x;
    cout<<fixed<<setprecision(2);
    if(x<250)cout<<x;
    if(x>=250 && x<500)cout<<x*0.95;
    if(x>=500 && x<1000)cout<<x*0.9;
    if(x>=1000 && x<2000)cout<<x*0.85;
    if(x>=2000)cout<<x*0.8;
}

113.成绩评定

int main() {
    int a;
    cin>>a;
    if(a>=85)cout<<"A";
    else if(a>=60&&a<85)cout<<"P";
    else cout<<"E";
}

114.求方程的解(简化版)

int main() {
    double x1,x2,A,B,C,disc;
    cin>>A>>B>>C;
    disc=B*B-4*A*C;
    if(disc>0)
        x1=(-B+sqrt(disc))/(2*A),x2=(-B-sqrt(disc))/(2*A),
        cout<<fixed<<setprecision(2),
        cout<<max(x1,x2)<<" "<<min(x1,x2)<<endl;
}

115.求直角梯形最长对角线

int main() {
    long double a,b,c,d,e;
    cin>>a>>b>>c;
    d=max(a,b),e=sqrt(d*d+c*c);
    cout<<fixed<<setprecision(1)<<e;
}

116.重组最大数

int main() {
    int x,a,b,c;
    cin>>x;
    a=x/100,b=(x/10)%10,c=x%10;
    for(x=0;x<2;x++){
        if(b>a)swap(a,b);
        if(c>b)swap(b,c);
    } cout<<a<<b<<c;
}

117.求三角形面积

int main() {
    double a,b,c,p,s;
    cin>>a>>b>>c;
    if(a+b>c&&a+c>b&&b+c>a) {
        p=(a+b+c)/2,
        s=sqrt(p*(p-a)*(p-b)*(p-c)),
        cout<<fixed<<setprecision(2)<<s;
    }else cout<<"Can't";
}

118.计算邮件收费

int main() {
    double kg,sum=0;
    cin>>kg;
    if(kg>1) sum=1.5+(kg-1)*0.8;
    else sum=1.5*kg;
    cout<<fixed<<setprecision(2)<<sum;
}

119.称号

int main() {
    int n;
    cin>>n;
    if(n>=0 && n<3)n=2;
    switch(n){
        case 2: cout<<"You are a Foolish Man."; break;
        case 3: cout<<"You are on a Killing Spree."; break;
        case 4: cout<<"You are Dominating."; break;
        case 5: cout<<"You have a Mega-Kill."; break;
        case 6: cout<<"You are Unstoppable."; break;
        case 7: cout<<"You are Wicked Sick."; break;
        case 8: cout<<"You have a M-m-m-m....Monster Kill."; break;
        case 9: cout<<"You are Godlike."; break;
        default: cout<<"You are Beyond Godlike (Somebody kill him!).";
    }
}

120.有一门课不及格的学生

int main(){
    int a,b;
    cin>>a>>b;
    cout<<int(a<60&&b>=60||a>=60&&b<60);
}

121.计算火柴棒个数

int main() {
    int x;
    cin>>x;
    switch(x){
        case 0: cout<<"6"; break;
        case 1: cout<<"2"; break;
        case 2: cout<<"5"; break;
        case 3: cout<<"5"; break;
        case 4: cout<<"4"; break;
        case 5: cout<<"5"; break;
        case 6: cout<<"6"; break;
        case 7: cout<<"3"; break;
        case 8: cout<<"7"; break;
        default:cout<<"6";
    }
}

122.最大数输出

int main(){
    int a,b,c,d;
    cin>>a>>b>>c;
    d=max(a,b);
    d=max(d,c);
    cout<<d;
}

123.点和正方形的关系

int main(){
    int x,y;
    cin>>x>>y;
    if(x<=1 && x>=-1 && y<=1 && y>=-1)cout<<"yes";
    else cout<<"no";
}

124.三角形判断

int main(){
    int a,b,c,d;
    cin>>a>>b>>c;
    if(a+b>c && a+c>b && b+c>a)cout<<"yes";
    else cout<<"no";
}

125.识别三角形

int main(){
    int a,b,c,d;
    cin>>a>>b>>c;
    if(a+b<=c || a+c<=b || b+c<=a)cout<<"NO";
    else if(a==b && b==c)cout<<"Equilateral";
    else if(a==b&&a!=c || a==c&&a!=b || b==c&&c!=a)cout<<"Isosceles";
    else if(pow(a,2)+pow(b,2)==pow(c,2) || pow(a,2)+pow(c,2)==pow(b,2) || pow(b,2)+pow(c,2)==pow(a,2))cout<<"Right";
    else cout<<"General";
}

126.骑车与走路

int main(){
    double a,b,c;
    cin>>a;
    b=a/3.0+27+30;
    c=a/1.2;
    if(b>c)cout<<"Walk";
    else cout<<"Bike";
}

127.分段函数

int main(){
    double x,y;
    cin>>x;
    if(x<5 && x>=0)y=-x+2.5;
    else if(x>=5 && x<10)y=2-1.5*(x-3)*(x-3);
    else y=x/2-1.5;
    cout<<fixed<<setprecision(3)<<y;
}

128.简单算术表达式求值

int main(){
    long long a,b;
    char c;
    cin>>a>>c>>b;
    if(c=='+')cout<<a+b;
    if(c=='-')cout<<a-b;
    if(c=='*')cout<<a*b;
    if(c=='/')cout<<a/b;
    if(c=='%')cout<<a%b;
}

129.计算器（简易版）

int main()
{
    long long a,b;
    char c;
    cin>>a>>b;
    cin>>c;
    if(c=='/' && b==0)
      cout<<"Error!";
    else
    {
        if(c=='+')cout<<a+b;
        if(c=='-')cout<<a-b;
        if(c=='*')cout<<a*b;
        if(c=='/')cout<<a/b;
    }
}

130.贪吃的代价

int main() {
    int n,a,b,a1=0,b1=0;
    cin>>n>>a>>b;
    if(n/min(a,b)==n/max(a,b)){
        if(max(a,b)==a)a1=n/a;
        else b1=n/a;
        cout<<a1<<" "<<b1,exit(0);
    }else if(min(a,b)==a)a1=n/a;
    else b1=n/b;
    while(1) {
        if(n-(a1*a+b1*b)>=abs(a-b)){
            if(min(a,b)==a && a1>0)
                a1--,b1++;
            else if(min(a,b)==b && b1>0)
                b1--,a1++;
        } else cout<<a1<<" "<<b1,exit(0);
    }
}

131.求一元二次方程的根

int main(){
    double a,b,c,x,y;
    scanf("%lf%lf%lf",&a,&b,&c);
    x=(-b+sqrt(b*b-4*a*c))/(2*a);
    y=(-b-sqrt(b*b-4*a*c))/(2*a);
    cout<<fixed<<setprecision(5);
    if(x==y)printf("x1=x2=%.5lf",x);
    else if(x>y)printf("x1=%.5lf;x2=%.5lf",x,y);
    else if(b==0)cout<<"x1="<<b/(2*a)<<'+'<<sqrt(4*a*c-b*b)/(2*a),
    cout<<"i;x2="<<b/(2*a)<<"-"<<sqrt(4*a*c-b*b)/(2*a)<<"i"<<endl;
    else cout<<"x1="<<-b/(2*a)<<'+'<<sqrt(4*a*c-b*b)/(2*a),
    cout<<"i;x2="<<-b/(2*a)<<"-"<<sqrt(4*a*c-b*b)/(2*a)<<"i"<<endl;
    return 0;
}

132.基本运算1

int main(){
    int a;
    cin>>a;
    cout<<a-2<<endl;
}

133.基本运算2

int main(){
    int a;
    cin>>a;
    cout<<a*(2+3)<<endl;
}

134.基本运算3

int main(){
    int a,n;
    cin>>a>>n;
    cout<<a%(n%=2)<<endl;
}

135.基本运算4

int main(){
    int a;
    cin>>a;
    a+=a-=a*=a;
    cout<<a<<endl;
}

136.老狼老狼几点了？

int main(){
    for(int i=1;i<=12;i++)
        cout<<"What time is it, old wolf? "<<i<<" o'clock."<<endl;
}

137.叮叮当当

int main(){
    int a,b;
    cin>>a>>b;
    for(int i=a;i<=b;i++){
        if(i%2==0&&i%3==0)cout<<i<<": ding ding,dang dang"<<endl;
        else{
            if(i%2==0)cout<<i<<": ding ding"<<endl;
            if(i%3==0)cout<<i<<": dang dang"<<endl;
        }
    }
}

138.计算运动消耗量

int main() {
    int a,b,c;
    cin>>c;
    for(int i=0;i<c;i++)
        cin>>a,b+=a;
    cout<<b;
}

139.ZZQ的难题

int main() {
    long long n;
    cin>>n;
    n=pow(2,n);
    cout<<n;
}

140.1到n的累加和

int main() {
    int n,a;
    cin>>n;
    for(int i=1;i<=n;i++)a+=i;
    cout<<a;
}

141.求阶乘n!

int main() {
    long long n,a=1;
    cin>>n;
    for(int i=1;i<=n;i++)a*=i;
    if(n==0)a=1;
    cout<<a;
}

142.小明存钱

int main() {
    int a,b,c;
    cin>>c;
    for(int i=0; i<c; i++) {
        cin>>a; b+=a;
    } cout<<b;
}

143.求平均年龄

int main() {
    int a,c;
    double b;
    cin>>c;
    for(int i=0; i<c; i++) {
        cin>>a; b+=a;
    } cout<<fixed<<setprecision(2)<<b/c;
}

144.财务管理

int main(){
    double a,b;
    for(int i=0;i<12;i++){
        cin>>a; b+=a;
    } cout<<fixed<<setprecision(2)<<"$"<<b/12;
}

145.均值

int main() {
    int c;
    double a,b;
    cin>>c;
    for(int i=0;i<c;i++) {
        cin>>a; b+=a;
    } cout<<fixed<<setprecision(4)<<b/c;
}

146.求整数的和与均值

int main() {
    int a,c;
    double b;
    cin>>c;
    for(int i=0;i<c;i++) {
        cin>>a; b+=a;
    } cout<<b<<" "<<fixed<<setprecision(5)<<b/c;
}

147.温度转换

int main() {
    double a,b;
    cin>>a>>b;
    if(a<b) {
        for(int i=a;i<=b;i+=2){
            cout<<i<<" "<<fixed<<setprecision(1)<<9*i/5.0+32<<endl;
        }
    } else {
        for(int i=b; i<=a; i=i+2) {
            cout<<i<<" "<<fixed<<setprecision(1)<<9*i/5.0+32<<endl;
        }
    }
}

148.最高的分数

int main() {
    int a,b,c;
    cin>>c;
    for(int i=0;i<c;i++){
        cin>>a; b=max(a,b);
    } cout<<b;
}

149.求最大值和最小值

int main() {
    int a,b,c,d;
    cin>>c;
    for(int i=0;i<c;i++){
        cin>>a;
        b=max(a,b);
        d=min(a,d);
    } cout<<b<<" "<<d;
}

150.整数序列的元素最大跨度值

int main() {
    int a,b,c,d=100000000;
    cin>>c;
    for(int i=0;i<c;i++){
        cin>>a;
        b=max(a,b);
        d=min(a,d);
    } cout<<b-d;
}

151.多边形内角和

int main() {
    int a,b,c;
    cin>>c;
    for(int i=1;i<c;i++) {
        cin>>a; b+=a;
    } cout<<(c-2)*180-b;
}

152.奇数求和

int main() {
    int a,b,c=0;
    cin>>a>>b;
        for(int i=a;i<=b;i++) {
            if(i%2==1)c+=i;
    } cout<<c;
}

153.满足条件的数累加

int main() {
    int a,b,c=0;
    cin>>a>>b;
        for(int i=a;i<=b;i++) {
            if(i%17==0)c+=i;
    } cout<<c;
}

154.统计数字

int main() {
    char x;
    int a,b,c=0;
    cin>>x>>a>>x>>b>>x;
    for(int i=a;i<=b;i++) {
        if(i%10==6&&i%3==0)c++;
    } cout<<c;
}

155.整数的个数

int main() {
    int a,b,c,s1=0,s5=0,s10=0;
    cin>>c;
    for(int i=0;i<c;i++) {
        cin>>a;
        if(a==1)s1++;
        if(a==5)s5++;
        if(a==10)s10++;
    } cout<<s1<<endl<<s5<<endl<<s10;
}

156.与指定数字相同的数的个数

int main() {
    int n,m,a,m1=0;
    cin>>n>>m;
    for(int i=0;i<n;i++) {
        cin>>a;
        if(a==m)m1++;
    } cout<<m1;
}

157.乘方计算

int main() {
    int a,n;
    long long b=1;
    cin>>a>>n;
    for(int i=0;i<n;i++)b*=a;
    cout<<b;
}

158.完全平方数

int main() {
    int x,y,n;
    for(n=-100; n<10000; n++) {
        x=int(sqrt(100+n));
        y=int(sqrt(100+168+n));
        if(100+n==x*x && 100+168+n==y*y)
            cout<<n<<endl;
    }
}

159.计算组合数

int main() {
    long double a=1,b=1,c=1,d,n,m;
    cin>>n>>m;
    for(int i=n;i>n-m;i--)a*=i;
    for(int i=1;i<=m;i++)b*=i;
    cout<<fixed<<setprecision(0)<<a/b;
}

160.求西格玛 (\Sigma) 累加和

int main(){
    double a=0;
    for(int i=1;i<=100;++i)a+=i;
    for(int i=1;i<=50;++i)a+=i*i;
    for(int i=1;i<=10;++i)a+=1.0/i;
    printf("%.4lf",a);
}

161.奥运奖牌计数

int main() {
    int a,b,c,d,a1=0,b1=0,c1=0;
    cin>>d;
    for(int i=0;i<d;i++) {
        cin>>a>>b>>c;
        a1+=a;  b1+=b;  c1+=c;
    } cout<<a1<<" "<<b1<<" "<<c1<<" "<<a1+b1+c1;
}

162.地狱飞龙

int main() {
    long long x,y;  char a;
    cin>>x>>a>>y;
    for(int i=0;i<x;i++) y*=2;
    cout<<y;
}

163.人口增长问题

int main(){
    int x,n;
    double c;
    cin>>x>>n;
    c=x;
    for(int i=0;i<n;i++)c*=1.001;
    cout<<fixed<<setprecision(4)<<c;
}

164.银行利息

int main() {
    double R,M,Y,yuan;
    int a;
    cin>>R>>M>>Y;
    yuan=M;
    for(int i=0;i<Y;i++) {
        yuan+=yuan*(R/100);
    } cout<<int(yuan);
}

165.菲波那契数列

int main() {
    int a,b,c,k;
    cin>>k;
    a=1;    b=1;
    for(int i=0; i<k-2; i++) {
        c=a+b;  a=b;    b=c;
    } cout<<c;
}

166.鸡尾酒疗法

int main(){
    int n,a,b;
    double s1,sn;
    cin>>n;
    cin>>a>>b;
    s1=b/(a*1.00);
    for(int i=1;i<n;i++){
        cin>>a>>b;
        sn=b/(a*1.00);
        if ((sn-0.05)>s1)cout<<"better"<<endl;
        else if ((s1-0.05)>sn)cout<<"worse"<<endl;
        else cout<<"same"<<endl;
    } return 0;
}

167.救援

int main(){
    double t=0,x,y;
    int a,r;
    cin>>a;
    for(int i=0;i<a;i++){
        cin>>x>>y>>r;
        t+=sqrt(y*y+x*x)/50.0*2;
        for(int i=0;i<r;i++)
            t+=1+0.5;
    } cout<<ceil(t);
}

168.买房子

int main(){
    double n,k,m,f=200;
    cin>>n>>k;
    m=n;
    for(int i=1;i<=20;i++){
        f*=k/100+1;
        m+=n;
        if(m>f)cout<<i+1,exit(0);
    } cout<<"Impossible";
}

169.球弹跳高度的计算

int main() {
    double a,b,m;
    cin>>m;
    b=m;
    for(int i=0; i<10; i++) {
        a+=b*2; b=b/2;
    } a-=m;
    cout<<fixed<<setprecision(6)<<a<<endl<<b;
}

170.津津的储蓄计划

int main() {
    int c,s=0,h=0;
    for(int i=1;i<=12;i++){
        cin>>c;
        s-=c-300;
        if(s<0){
            cout<<-1*i;
            return 0;
        } else h+=s/100;s%=100;
    } cout<<120*h+s;
}

171.药房管理

int main() {
    int n,m,s,sum=0;
    cin>>m>>n;
    for(int i=1;i<=n;i++){
        cin>>s;
        if(s>m)sum++;
        else m-=s;
    } cout<<sum;
}

172.正常血压

int main() {
    int n,g,d,sum=0,maxn=0;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>g>>d;
        if(g<=140&&g>=90&&d>=60&&d<=90)sum++;
        else sum=0;
        maxn=max(maxn,sum);
    }
    cout<<maxn;
}

173.求特殊自然数

int main(){   
    cout<<248<<endl<<503<<endl<<305;
}

174.统计满足条件的4位数个数

int main() {
    int a,b,c;
    cin>>a;
    for(int i=0;i<a;i++) {
        cin>>b;
        if(b%10-b/1000-b/100%10-b/10%10>0)c++;
    } cout<<c;
}

175.分类求和

int main() {
    int x=0,a=0,b=0,c=0,d=0;
    while(cin>>x){
        if(x>0){
            a++;c+=x;
        } if(x<0){
            b++;d+=x;
        }
    } cout<<a<<" "<<b<<" "<<c<<" "<<d;
}

176.分离整数的各个数位

char a[10];
int i=0;
int main() {
    cin.get(a,9);
    while(a[i]!='\0')i++;
    i--;
    for(;i>=0;i--)cout<<a[i]<<" ";
}

177.数字之和

char a[12];
int main() {
    int sum;
    cin.get(a,11);
    for(int i=0;a[i]!='\0';i++)if(a[i]>'0'&&a[i]<='9')sum+=a[i]-'0';
    cout<<sum;
}

178.数字反转

int n=0,s=0;
int main(){
    for(cin>>n;n;n/=10)s*=10,s+=n%10;
    cout<<s;
}

179.含k个3的数

int main() {
    long long m,a,k,sum=0;
    cin>>m>>k;
    a=m;
    for(;a!=0;a/=10)if(a%10==3)sum++;
    if(m%19==0&&sum==k)cout<<"YES";
    else cout<<"NO";
}

180.判断回文数

int n[10];
int main() {
    int a,sum;
    bool x=1;
    cin>>a;
    for(int i=0;a!=0;a/=10,i++)n[i]=a%10;
    for(int i=0;n[i]!='\0';i++,sum++);
    for(int i=0;i<sum/2;i++)if(n[i]!=n[sum-i-1])x=0;
    if(x&&sum>1)cout<<"yes";
    else cout<<"no";
}

WZOI基础题库1-180题

入坑网站 wzoi.cc

方便大家复制 不写注释了 文章有点长，总共 1236 1786 行

1.Hello World

2.打印Hello World

3.默写数字

4.A+B Problem

5.输出第二个整数

6.求一个数的前后两个数

7.竖式计算

8.植树造林

9.求自行车总价

10.三位数

11.做蛋糕

12.计算(a+b)*c的值

13.求余数

14.计算(a+b)/c的值

15.小玉买文具

16.买苹果

17.买牛奶

18.小鱼的游泳时间

19.周长与面积

20.求筝形面积

21.求正立方体表面积

22.输出保留3位小数的浮点数

23.工资

24.四舍五入

25.求梯形面积

26.梯形面积

27.求圆柱体表面积

28.计算总成绩与平均成绩

29.新平均成绩

30.歌手大奖赛

注意题目输出需要6.2lf或者setw(6)

31.奇葩的饭店

32.猜数游戏

33.求根号x的值

34.求logx

35.求两者较大值的max函数的用法

36.求自行车和三轮车各是多少辆

37.鸡兔同笼

38.计算路程

39.带余除法

40.交换门牌号

41.密码

42.浮点数向零舍入

43.计算浮点数相除的余数

44.整型数据类型存储空间大小

45.浮点型数据类型存储空间大小

46.其他基本数据类型存储空间大小

47.空格分隔输出

48.整型与布尔型的转换

49.字符三角形

50.字符菱形

51.读取单个字符的getchar()函数

52.打印ASCII码

53.打印字符

54.大写字母转小写字母

55.特殊输出

56.特殊输出2

57.字符变换

58.加密算法

59.甲流疫情死亡率

60.计算多项式的值

61.数列取数

62.填充矩形

63.大象喝水

64.求等差为3的数列

65.等差数列末项计算

66.计算线段长度

67.计算折线长度

68.送午饭

69.计算曼哈顿距离

70.计算球的体积

71.计算并联电阻的阻值

72.求面积差

寻求老师的帮忙……

73.整数反转

第40题的加强版

74.变量交换

方便大家复制不写注释了文章有点长，总共 1236 1786 行