Submission #1078387

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078387		sqrteipi	Poi (IOI09_poi)	C++14	100 / 100	370 ms	23888 KiB

poi

#include <bits/stdc++.h>
using namespace std;
int cnt[2000];

bool cmp(pair<int, pair<int, int>> p1, pair<int, pair<int, int>> p2) {
  if (p1.first==p2.first&&p1.second.first==p2.second.first) return p1.second.second < p2.second.second;
  else if (p1.first==p2.first) return p1.second.first > p2.second.first;
  return p1.first > p2.first;
}

int main() {
  int n, t, p;
  cin >> n >> t >> p;
  int arr[n][t];
  for (int i=0; i<t; i++) cnt[i] = n;
  for (int i=0; i<n; i++) for (int j=0; j<t; j++) cin >> arr[i][j], cnt[j] -= arr[i][j];

  vector<pair<int, pair<int, int>>> vec;
  for (int i=0; i<n; i++) {
    int score = 0, ac_count = 0;
    for (int j=0; j<t; j++) score += cnt[j] * arr[i][j], ac_count += arr[i][j];
    vec.push_back({score, {ac_count, i+1}});
  }
  sort(vec.begin(), vec.end(), cmp);
  for (int i=0; i<n; i++) {
    if (vec[i].second.second==p) {
      cout << vec[i].first << " " << i+1 << "\n";
      return 0;
    }
    // cout << vec[i].first << " " << vec[i].second.first << " " << vec[i].second.second << "\n";
  }
}

• Subtask 1: 100 / 100