[etc] 백준 13456 시험 감독

https://www.acmicpc.net/problem/13458

#include <iostream>
using namespace std;
 
int main(){
    ios_base::sync_with_stdio(false);
    int N,B,C;
    long long sum = 0;
    int A[1000000];
    
    cin >> N;
    for(int i = 0; i < N; i++) cin >> A[i];
    cin >> B >> C;
    
    for(int i = 0; i < N; i++){
        sum += 1;
        A[i] -= B;
        if(A[i] < 0) continue;
        sum += A[i]/C;
        if(A[i]%C) sum +=1;
    }
    cout << sum;
}