Submission #268395

#	Time	Username	Problem	Language	Result	Execution time	Memory
268395		A02	Teams (IOI15_teams)	C++14	0 / 100	4077 ms	16480 KiB

teams

#include "teams.h"
#include <vector>
#include <set>
#include <algorithm>
#include <utility>
#include <queue>
#include <iostream>

using namespace std;

vector<pair<int, int> > intervals;

void init(int N, int A[], int B[]) {

    for (int i = 0; i < N; i++){
        intervals.push_back(make_pair(B[i], A[i]));
    }

    sort(intervals.begin(), intervals.end());
}

int can(int M, int K[]) {

    vector<long long> projects;

    for (int i = 0; i < M; i++){
        projects.push_back(K[i]);
    }

    sort(projects.begin(), projects.end());

    vector<bool> used (intervals.size(), false);

    int c_student = 0;

    for (int i = 0; i < M; i++){
        int to_fill = K[i];

        for (int j = 0; j < intervals.size(); j++){
            if (intervals[j].first >= K[i] && intervals[j].second <= K[i] && to_fill > 0 && !used[j]> 0){
                to_fill--;
                //cout << intervals[j].first << ' ' << intervals[j].second << endl;
                used[j] = true;

            }
        }

        if (to_fill != 0){
            //cout << 0 << endl;
            return 0;
        }

    }
    //cout << 1 << endl;
	return 1;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int j = 0; j < intervals.size(); j++){
      |                         ~~^~~~~~~~~~~~~~~~~~
teams.cpp:34:9: warning: unused variable 'c_student' [-Wunused-variable]
   34 |     int c_student = 0;
      |         ^~~~~~~~~

• Subtask 1: 0 / 21
• Subtask 2: 0 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23