BOJ 1350 - 진짜 공간 [C++]

문제

링크

풀이

#include <iostream>
#include <vector>
using namespace std;
 
void solve(void) {
  int n; cin >> n;
  vector<long long> v(n);
  for (int i=0; i<n; i++) cin >> v[i];
  long long c; cin >> c;
 
  long long ans = 0;
  for (int i=0; i<n; i++) {
    ans += (v[i]+c-1) / c;
  }
  cout << ans * c;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}