Submission #1253685

#	Time	Username	Problem	Language	Result	Execution time	Memory
1253685		kunzaZa183	Poi (IOI09_poi)	C++20	100 / 100	395 ms	16264 KiB

poi

#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, t, p;
  cin >> n >> t >> p;
  p--;
  vector<vector<int>> vvi(n, vector<int>(t));
  for (auto &a : vvi) {
    for (auto &b : a)
      cin >> b;
  }

  vector<int> worth(t);
  for (int j = 0; j < t; j++) {
    for (int i = 0; i < n; i++) {
      if (vvi[i][j] == 0)
        worth[j]++;
    }
  }

  vector<vector<int>> ans;
  for (int i = 0; i < n; i++) {
    int sum = 0, ct = 0;
    for (int j = 0; j < t; j++) {
      if (vvi[i][j]) {
        sum += worth[j];
        ct++;
      }
    }
    ans.push_back({sum, ct, i});
  }

  sort(ans.begin(), ans.end(), [&](vector<int> a, vector<int> b) {
    if (a[0] != b[0])
      return a[0] > b[0];
    if (a[1] != b[1])
      return a[1] > b[1];
    return a[2] < b[2];
  });

  for (int i = 0; i < n; i++) {
    if (ans[i][2] == p) {
      cout << ans[i][0] << " " << i + 1 << "\n";
      return 0;
    }
  }
}

• Subtask 1: 100 / 100