Submission #131385

#	Time	Username	Problem	Language	Result	Execution time	Memory
131385		antimirage	Teams (IOI15_teams)	C++14	0 / 100	4035 ms	13048 KiB

teams

#include "teams.h"
#include <bits/stdc++.h>

#define fr first
#define sc second

using namespace std;

const int N = 1e5 + 5;

vector <int> R[N];

int cn[N], n;

void init(int N, int l[], int r[]) {
	n = N;
	for (int i = 0; i < n; i++) {
		R[r[i]].push_back(l[i]);
	}
}

int can(int m, int k[]) {
	priority_queue <pair <int, int> > q;
	sort(k, k + m);
	
	for (int i = 0; i < m; i++) {
		cn[i] = k[i];
	}
	int j = 0;
	
	for (int i = 1; i <= n; i++) {
		for (auto it : R[i])
			q.push({-it, i});
		
		while (j < m && i >= k[j] && !q.empty() && -q.top().fr <= k[j]) {
			if (q.top().sc < k[j]) {
				q.pop();
				continue;
			}
			cn[j]--;
			q.pop();
			if (cn[j] == 0)	j++;
		}
	}
	return j == m;
}

Compilation message (stderr)

teams.cpp: In function 'void init(int, int*, int*)':
teams.cpp:15:34: warning: declaration of 'N' shadows a global declaration [-Wshadow]
 void init(int N, int l[], int r[]) {
                                  ^
teams.cpp:9:11: note: shadowed declaration is here
 const int N = 1e5 + 5;
           ^

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