Submission #115516

#	Time	Username	Problem	Language	Result	Execution time	Memory
115516		E869120	Teams (IOI15_teams)	C++14	34 / 100	4014 ms	21240 KiB

teams

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

int N;
vector<int>G[1 << 17];

void init(int n, int A[], int B[]) {
	N = n;
	for (int i = 0; i < N; i++) G[A[i]].push_back(B[i]);
}

int can(int M, int K[]) {
	priority_queue<int, vector<int>, greater<int>>Q;
	
	sort(K, K + M); int cx = 0;
	for (int i = 0; i < M; i++) {
		for (int j = cx + 1; j <= K[i]; j++) {
			for (int k = 0; k < G[j].size(); k++) Q.push(G[j][k]);
		}
		while (!Q.empty()) { int pos = Q.top(); if (pos < K[i]) Q.pop(); else break; }
		for (int j = 0; j < K[i]; j++) {
			if (Q.empty()) return 0;
			Q.pop();
		}
		cx = K[i];
	}
	return 1;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int k = 0; k < G[j].size(); k++) Q.push(G[j][k]);
                    ~~^~~~~~~~~~~~~

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