进制

//============================================================================// Name        : c++.cpp// Author      : // Version     :// Copyright   : Your copyright notice// Description : Hello World in C++, Ansi-style//============================================================================#include <iostream>#include <stack>#include <stdio.h>#include <stdlib.h>using namespace std;int main(void) {int n ;scanf("%d",&n);stack<int>stack;while (n!=0){        stack.push(n%2);n/=2;         } // stack.push(n);for (int i=0;i<(int)stack.size();i++){cout<<stack.top();stack.pop();}puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */return EXIT_SUCCESS;}