Submission #1688211

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Source Code Expand

#include<bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define reps(i,s,n) for(int i=(int)(s);i<(int)(n);i++)
const ll mod = 1e9 + 7;
const int INF = 1e9;

int main() {
	cin.sync_with_stdio(false);
	int N, A, B;
	cin >> N >> A >> B;
	vector<ll>h(N);
	ll sum = 0;
	rep(i, N) {
		cin >> h[i];
		sum += h[i];
	}
	cout << sum / (A + B*(N - 1)) + (sum % (A + B*(N - 1)) == 0 ? 0 : 1) << endl;


	return 0;
}

Submission Info

Judge Result