Submission #1260245

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260245		kawhiet	Poi (IOI09_poi)	C++20	0 / 100	145 ms	16192 KiB

poi

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m, p;
    cin >> n >> m >> p;
    vector<int> c(m);
    vector<int> cnt(n);
    vector<vector<int>> a(n, vector<int>(m));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> a[i][j];
            cnt[i] += a[i][j];
            c[j] += 1 - a[i][j];
        }
    }
    vector<pair<int, int>> score(n);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            score[i].first += a[i][j] * c[j];
        }
        score[i].second = i;
    }
    sort(score.begin(), score.end(), [&](pair<int, int> x, pair<int, int> y) {
        if (x.first == y.first) {
            if (cnt[x.second] == cnt[y.second]) {
                return x.second < y.second;
            }
            return cnt[x.second] > cnt[y.second];
        }
        return x.first > y.first;
    });
    for (int i = 0; i < n; i++) {
        if (score[i].second == p - 1) {
            cout << score[i].first << ' ' << score[i].second << '\n';
            return 0;
        }
    }
    return 0;
}

• Subtask 1: 0 / 100