enn……
请不要在意我名字 ~~(名字被别人改了QWQ)~~
by 3ksc03_is_sb @ 2024-03-11 20:13:35
enn……
大改知道什么问题,就是有没有解决方法
~~(脑抽了)~~
by 3ksc03_is_sb @ 2024-03-11 20:16:26
是这样
```
#include<iostream>
using namespace std;
int n , h ;
int main(){
cin >> n ;
int i = 0 ;
while(n){
int a = n % 10 ;
h *= 10 ;
h += a ;
n /= 10 ;
}
cout << h ;
return 0 ;
}
```
by liuyuxiang520 @ 2024-03-11 20:17:24
用循环就可以
by liuyuxiang520 @ 2024-03-11 20:17:57
我还想问问,为什么现在错了最后一个点?
```cpp
#include<iostream>
using namespace std;
string s;
bool flag;
int main(){
cin>>s;
for(int i=s.size()-1;i>=0;i--){
if(s[0]=='-'&&i==s.size()-1) cout<<'-';
if(s[i]!='-'){
if(s[i]=='0'&&flag==1) cout<<s[i];
else if(s[i]!='0'){
flag=1;
cout<<s[i];
}
}
}
return 0;
}
```
麻烦dalao们解答一下蒟蒻的疑惑(球球啦!)
by 3ksc03_is_sb @ 2024-03-11 20:21:03
@[3ksc03_is_sb](/user/1079531)
```cpp
#include<iostream>
using namespace std;
string s;
bool f=1;
int main(){
cin>>s;
if(s.size()==1) printf("%s",s.c_str()),exit(0);
for(int i=s.size()-1;i>=0;i--){
if(s[0]=='-'&&i==s.size()-1) cout<<'-';
if(s[i]!='0') f=0;
if((s[i]=='0'&&!f)||(s[i]!='0'&&s[i]!='-')) cout<<s[i];
}
return 0;
}
```
by z_z_b_ @ 2024-03-11 20:21:16
给两组hack数据:0100(翻转是10,但你的答案是1)
0(答案是0,但你没有输出)
by z_z_b_ @ 2024-03-11 20:22:18
e,用你的马蜂是这样
```cpp
#include<iostream>
using namespace std;
string s;
bool flag;
int main(){
cin>>s;
if(s.size()==1) printf("%s",s.c_str()),exit(0);
for(int i=s.size()-1;i>=0;i--){
if(s[0]=='-'&&i==s.size()-1) cout<<'-';
if(s[i]!='-'){
if(s[i]=='0'&&flag==1) cout<<s[i];
else if(s[i]!='0'){
flag=1;
cout<<s[i];
}
}
}
return 0;
}
```
by z_z_b_ @ 2024-03-11 20:23:45
感谢dalao们,已关
by 3ksc03_is_sb @ 2024-03-11 20:24:11