Submission #346485

#	Time	Username	Problem	Language	Result	Execution time	Memory
346485		MilosMilutinovic	Poi (IOI09_poi)	C++14	100 / 100	299 ms	23916 KiB

poi

/**
 *  author: milos
 *  created: 10.01.2021 01:42:54
**/
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, t, id;
  cin >> n >> t >> id;
  --id;
  vector<vector<int>> a(n, vector<int>(t));
  vector<int> cnt(t, 0);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < t; j++) {
      cin >> a[i][j];  
      cnt[j] += a[i][j];
    }
  }         
  vector<int> p(t);
  for (int i = 0; i < t; i++) {
    p[i] = n - cnt[i];
  }           
  vector<tuple<int, int, int>> b;
  for (int i = 0; i < n; i++) {
    int sum = 0;
    for (int j = 0; j < t; j++) {
      if (a[i][j] == 1) {
        sum += p[j];
      }
    }                       
    b.emplace_back(sum, accumulate(a[i].begin(), a[i].end(), 0), n - i);
  }
  sort(b.rbegin(), b.rend());
  for (int i = 0; i < (int) b.size(); i++) {
    if (get<2>(b[i]) == n - id) {
      cout << get<0>(b[i]) << " " << i + 1 << '\n';
    }
  }
  return 0;
}

• Subtask 1: 100 / 100