jokerXYH @ 2022-04-20 22:19:47

#include<bits/stdc++.h>

using namespace std;
int main()
{
    int x,i=0;
    cin>>x;
    if(x<0){
        x=-x;
        cout<<"-";
    }

    int a[10];
    while(x%10==0){
        x/=10;

    }
    while(x!=0){
        a[i]=x%10;
        x=x/10;
        cout<<a[i];

        i++;

    }

}

by lxc_awa @ 2022-04-22 22:18:31

@jokerXYH 判断一下0不然第一个while死循环了ac代码

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int x,i=0;
    cin>>x;
    if(x==0){
        cout<<0;
        return 0;
    }
    if(x<0){
        x=-x;
        cout<<"-";
    }

    int a[10];
    while(x%10==0){
        x/=10;

    }
    while(x!=0){
        a[i]=x%10;
        x=x/10;
        cout<<a[i];

        i++;

    }

}