源代码，本地运行没有问题

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
int main(int argc,char const *argv[]){
	char a[100] = {0};
    ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
    int x,s;
    cin>>x>>s;
	itoa(x,a,s);
    cout<<a<<endl;
    return 0;
}