Submission #477114

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
477114	2021-09-30T15:13:43 Z	glome	Poi (IOI09_poi)	C++17	100 / 100	320 ms	23860 KB

poi

#include<bits/stdc++.h>

using namespace std;

struct S {
  int points = 0;
  int tasks = 0;
  int ID;
};

bool cmp(S A, S B) {
  if(A.points != B.points) {
    return A.points > B.points;
  }
  if(A.tasks != B.tasks) {
    return A.tasks > B.tasks;
  }
  return A.ID < B.ID;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int N, T, P;
  cin >> N >> T >> P;
  P--;
  vector<vector<int>> y(N, vector<int> (T));
  vector<S> ans(N);
  for (int i = 0; i<N; i++) {
    for (int j = 0; j<T; j++) {
      cin >> y[i][j];
    }
  }
  vector<int> scores(T);
  for (int i = 0; i<T; i++) {
    int score = 0;
    for (int j = 0; j<N; j++) {
      score += y[j][i];
    }
    scores[i] = (N - score);
  }
  for (int i = 0; i<T; i++) {
    for (int j = 0; j<N; j++) {
      if(y[j][i] == 1) {
        ans[j].tasks++;
        ans[j].ID = j;
        ans[j].points += scores[i];
      }
    }
  }
  sort(ans.begin(), ans.end(), cmp);
  for (int i = 0; i<ans.size(); i++) {
    if(ans[i].ID == P) {
      cout << ans[i].points << ' ' << i + 1 << '\n';
      return 0;
    }
  }
  return 0;
}

Compilation message

poi.cpp: In function 'int main()':
poi.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<S>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |   for (int i = 0; i<ans.size(); i++) {
      |                   ~^~~~~~~~~~~

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	360 KB	Output is correct
9	Correct	2 ms	332 KB	Output is correct
10	Correct	3 ms	500 KB	Output is correct
11	Correct	8 ms	964 KB	Output is correct
12	Correct	17 ms	1484 KB	Output is correct
13	Correct	46 ms	3804 KB	Output is correct
14	Correct	57 ms	5324 KB	Output is correct
15	Correct	110 ms	9152 KB	Output is correct
16	Correct	119 ms	9804 KB	Output is correct
17	Correct	171 ms	14372 KB	Output is correct
18	Correct	239 ms	16272 KB	Output is correct
19	Correct	304 ms	21656 KB	Output is correct
20	Correct	320 ms	23860 KB	Output is correct