大佬求助

Bunnie0116 @ 2017-08-04 15:24:08

#include<cstdio>
#include<string>
#include<iostream>
 int main()
 {
 int m=1,i;
 long s;
 scanf("%d",&s);
 if (s<0){printf("-");s=-s;}
 while(s>0)
 {
     if(s%10==0){
     s=s/10;}
    else{
    printf("%d",s%10);
     s=s/10;}
 }
 return 0;
}

by Naffygo @ 2017-08-04 15:51:56

如果这个数中间有0的话，比如是100204，你的答案就是421

by xiashuai @ 2017-08-10 20:50:07

#include<bits/stdc++.h>
using namespace std;
long long fz(long long a)
{
    long long s=0;
    while(a)
    {
        s=s*10+a%10;
        a/=10;
    }
    return s;
}
int main()
{
    long long a;
    cin>>a;
    cout<<fz(a);
    return 0;
}
函数

by Goodenough @ 2017-08-12 17:15:52

#include<iostream>
using namespace std;
int main(){
    int a,i=0;
    cin>>a;
    while(a!=0){
        i=i*10+a%10;
        a/=10;
    }
    cout<<i;
    return 0;
}