疯狂MLE

P1217 [USACO1.5] 回文质数 Prime Palindromes

@[zxc57838706](/space/show?uid=196686) a可以开bool吧
by Celestial_Scarlet @ 2019-04-02 19:40:48


@[baoyu](/space/show?uid=93465) 哦,对,刚自学c++有点不太灵活,我试试能不能过
by zxc57838706 @ 2019-04-02 19:53:05


@[zxc57838706](/space/show?uid=196686) 开bool应该也不行qwq bitset<N> a; 这样开bool数组空间是原来的 $\dfrac18$ ,应该可以吧
by Celestial_Scarlet @ 2019-04-02 19:55:48


@[baoyu](/space/show?uid=93465) 改完之后居然TLE了
by zxc57838706 @ 2019-04-02 19:56:37


int改Bool之后没有MLE了,但是TLE,cin cout改成scanf printf也没用,崩了
by zxc57838706 @ 2019-04-02 20:16:10


//蒟蒻求救,为何没有输出 #include<iostream> #include<cstdio> #include<cmath> using namespace std; int a,b,n[101]; int hw(int x) { int t=1; while(x!=0) { n[t]=x%10; x/=10; t++; } for(int i=1;i<=t;i++) if(n[i]!=n[t-i+1]) return 0; return 1; } int ss(int x) { for(int i=2;i<=sqrt(x);i++) if(x%i==0) return 0; return 1; } int main() { cin>>a>>b; for(int i=a;i<=b;i++) { if(ss(i)&&hw(i)) cout<<i<<endl; } return 0; }
by 月影、烛龙 @ 2019-04-13 22:05:34


希望更丰富的展现?使用Markdown
by Andy_Lin @ 2020-01-17 17:43:27


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