把一个数转化为二进制的模板
#include<iostream>
#include<stack>
using namespace std;
int main()
{
stack<int> z;
int num,jinzhi;
while(scanf("%d%d",&num,&jinzhi)!=EOF)
{
if(num==0)
printf("0\n");
else
while(num>0)
{
z.push(num%jinzhi);
num/=jinzhi;
}
while(!z.empty())
{
cout<<z.top();
z.pop();
}
printf("\n");
}
return 0;
}