Submission #670733

#	Time	Username	Problem	Language	Result	Execution time	Memory
670733		vjudge1	Poi (IOI09_poi)	C++17	100 / 100	201 ms	9616 KiB

poi

// https://oj.uz/problem/view/IOI09_poi?locale=en
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

struct Contestant {
    int id, tasks_solved = 0, score = 0;
    vector<int> number_of_task;
};

bool operator<(const Contestant &a, const Contestant &b) {
    if (a.score > b.score) return true;
    else {
        if (a.score < b.score) return false;
        else {
            if (a.tasks_solved > b.tasks_solved) return true;
            else {
                if (a.tasks_solved < b.tasks_solved) return false;
                else {
                    if (a.id < b.id) return true;
                    else return false;
                }
            }
        }
    }
};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, t, p;
    cin >> n >> t >> p;

    vector<int> points_by_task(t + 1);
    points_by_task.assign(points_by_task.size(), 0);

    vector<Contestant> contestants(n);
    for (int i = 0; i < n; i++) {
        contestants[i].id = i + 1;
        for (int j = 0; j < t; j++) {
            int x; cin >> x;
            if (x == 0) {
                points_by_task[j + 1]++;
            } else {
                contestants[i].tasks_solved++;
                contestants[i].number_of_task.push_back(j + 1);
            }
        }
    }

    for (Contestant& c : contestants) {
        for (const int& num : c.number_of_task)
            c.score += points_by_task[num];
    }

    sort(contestants.begin(), contestants.end());
    for (int i = 0; i < n; i++) {
        if (contestants[i].id == p) {
            cout << contestants[i].score << " " << i + 1;
            break;
        }
    }

    return 0;
}

• Subtask 1: 100 / 100