Submission #406383

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
406383	2021-05-17T13:54:51 Z	saarang123	Poi (IOI09_poi)	C++17	100 / 100	337 ms	23836 KB

poi

#include <bits/stdc++.h>
using namespace std;
//#define int long long
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
signed main() {
    std::ios::sync_with_stdio(0);
    std::cout.tie(0);
    std::cin.tie(0);
    int n, t, p;
    cin >> n >> t >> p;
    vector<int> scores(t, n);
    vector<vector<int>> a(n, vector<int> (t));
    for(int i = 0; i < n; i++)
    	for(int j = 0; j < t; j++) {
    		cin >> a[i][j];
    		scores[j] -= a[i][j];
    	}
    vector<array<int, 3>> rank;
    for(int i = 0; i < n; i++) {
    	int sum = 0, cnt = 0;
    	for(int j = 0; j < t; j++)
    		if(a[i][j])
    			sum += scores[j], cnt++;
    	rank.push_back({sum, cnt, i + 1});
    }
    sort(rank.begin(), rank.end(), [&] (array<int, 3> x, array<int, 3> y) {
    	if(x[0] != y[0])
    		return x[0] > y[0];
    	if(x[1] != y[1])
    		return x[1] > y[1];
    	return x[2] < y[2];
    });
    int position = -1, sum = 0;
    for(int i = 0; i < n; i++) 
    	if(rank[i][2] == p)
    		position = i + 1, sum = rank[i][0];
    cout << sum << ' ' << position << '\n';
    return 0;
}

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	320 KB	Output is correct
5	Correct	1 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	2 ms	328 KB	Output is correct
8	Correct	2 ms	332 KB	Output is correct
9	Correct	2 ms	332 KB	Output is correct
10	Correct	3 ms	460 KB	Output is correct
11	Correct	11 ms	972 KB	Output is correct
12	Correct	18 ms	1488 KB	Output is correct
13	Correct	52 ms	3784 KB	Output is correct
14	Correct	71 ms	5352 KB	Output is correct
15	Correct	125 ms	9148 KB	Output is correct
16	Correct	136 ms	9908 KB	Output is correct
17	Correct	198 ms	14476 KB	Output is correct
18	Correct	219 ms	16252 KB	Output is correct
19	Correct	299 ms	21512 KB	Output is correct
20	Correct	337 ms	23836 KB	Output is correct