#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
int main() {
int a, b;
int ans = 0;
cin >> a >> b;
ans = a;
while(a >= b) {
ans += a / b;
a = a / b + a % b;
}
cout << ans << endl;
return 0;
}
379A - New Year Candles
最新推荐文章于 2021-04-12 20:29:38 发布