23204 - 进制转换

#include<bits/stdc++.h>
using namespace std;
char jz[20]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
int main(){
	long long x,m,y;
	int a[100],k=0;
	cin>>x>>m;
	while(x!=0){
		a[++k]=x%m;
		x/=m;
	}
	for(int i=k;i>=1;i--){
		cout<<jz[a[i]];
	}
	return 0;
}