二进制数2021.04.05

#include <iostream>
#include <cstdio>
#include <stack>

using namespace std;

stack<int> mystack;

int main(){
    int n;
    int m;
    while(scanf("%d",&n)!=EOF){

        while(n!=0){
            mystack.push(n%2);
            n=n/2;
        }
        m=mystack.size();
        for(int i=0;i<m;++i){
            printf("%d",mystack.top());
            mystack.pop();
        }
        printf("\n");
    }

}