Submission #507594

#	Time	Username	Problem	Language	Result	Execution time	Memory
507594		tabr	Poi (IOI09_poi)	C++17	70 / 100	202 ms	16032 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m, p;
    cin >> n >> m >> p;
    p--;
    vector<vector<int>> a(n, vector<int>(m));
    vector<int> b(m);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> a[i][j];
            b[j] += !a[i][j];
        }
    }
    vector<int> c(n);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            c[i] += a[i][j] * b[j];
        }
    }
    vector<int> order(n);
    iota(order.begin(), order.end(), 0);
    sort(order.begin(), order.end(), [&](int i, int j) { return (c[i] == c[j] ? i < j : c[i] > c[j]); });
    for (int i = 0; i < n; i++) {
        if (order[i] == p) {
            cout << c[p] << " " << i + 1 << '\n';
        }
    }
    return 0;
}

• Subtask 1: 70 / 100