Submission #703275

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
703275	2023-02-26T20:15:42 Z	finn__	Poi (IOI09_poi)	C++17	100 / 100	574 ms	8712 KB

poi

#include <bits/stdc++.h>
using namespace std;

#define N 2000

bitset<N> solved[N];
unsigned num_solved[N], contestant_num_solved[N], score[N], ranking[N];

bool compare_contestant(unsigned a, unsigned b)
{
    if (score[a] == score[b])
    {
        if (contestant_num_solved[a] == contestant_num_solved[b])
            return a < b;
        return contestant_num_solved[a] > contestant_num_solved[b];
    }
    return score[a] > score[b];
}

int main()
{
    size_t n, t, p;
    cin >> n >> t >> p;

    for (size_t i = 0; i < n; i++)
    {
        for (size_t j = 0; j < t; j++)
        {
            unsigned x;
            cin >> x;
            solved[i][j] = x;
            contestant_num_solved[i] += x;
            num_solved[j] += x;
        }
        ranking[i] = i;
    }

    for (size_t i = 0; i < n; i++)
        for (size_t j = 0; j < t; j++)
            if (solved[i][j])
                score[i] += n - num_solved[j];

    sort(ranking, ranking + n, compare_contestant);

    for (size_t i = 0; i < n; i++)
        if (ranking[i] + 1 == p)
            cout << score[p - 1] << ' ' << i + 1 << '\n';
}

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	312 KB	Output is correct
6	Correct	1 ms	312 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	3 ms	340 KB	Output is correct
10	Correct	5 ms	340 KB	Output is correct
11	Correct	17 ms	576 KB	Output is correct
12	Correct	27 ms	812 KB	Output is correct
13	Correct	83 ms	1568 KB	Output is correct
14	Correct	116 ms	2212 KB	Output is correct
15	Correct	212 ms	3484 KB	Output is correct
16	Correct	252 ms	3804 KB	Output is correct
17	Correct	366 ms	5444 KB	Output is correct
18	Correct	359 ms	6044 KB	Output is correct
19	Correct	485 ms	7900 KB	Output is correct
20	Correct	574 ms	8712 KB	Output is correct