Count Balls

laoliu8242 · 2025-04-20 09:56:11 · 个人记录

include<bits/stdc++.h>

using namespace std;

int main() {

long long N, A, B;
cin >> N >> A >> B;

if (A == 0) {
    cout << 0 << endl;
    return 0;
}

long long f = N / (A + B);
long long r = N % (A + B);
long long b = min(r, A);
long long t * A + b;

cout << t << endl;
return 0;

}