Submission #1080411

#	Time	Username	Problem	Language	Result	Execution time	Memory
1080411		vjudge1	Poi (IOI09_poi)	C++17	5 / 100	438 ms	23980 KiB

poi

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

struct part {
    int id;
    int sc;
    int sv;
};
bool comp(const part&a, const part&b) {
    if (a.sc != b.sc) return a.sc > b.sc;
    if (a.sv != b.sv) return a.sc > b.sc;
    return a.id < b.id;
}

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

    vector<vector<int>> v(n, vector<int>(t));
    vector<int> sum(t, 0);
    vector<part> pr(n);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < t; j++) {
            cin >> v[i][j];
        }
    }

    for (int j = 0; j < t; j++) {
        for (int i = 0; i < n; i++) {
            if (v[i][j] == 0) sum[j]++;
        }
    }

    for (int i = 0; i < n; i++) {
        pr[i].id = i + 1;
        pr[i].sc = 0;
        pr[i].sv = 0;

    
        for (int j = 0; j < t; j++) {
            if (v[i][j] == 1) {
                pr[i].sc += sum[j];
                pr[i].sv++;
            }
        }
    }

    sort(pr.begin(), pr.end(), comp);
    int fsc = pr[p-1].sc;
    int rank = 1;

    for (int i = 0; i < n; i++) {
        if (pr[i].id == p) {
            rank = i + 1;
            break;
        }
    }

    cout << fsc << ' ' << rank;
}

• Subtask 1: 5 / 100