Submission #131392

#	Time	Username	Problem	Language	Result	Execution time	Memory
131392		antimirage	Teams (IOI15_teams)	C++14	0 / 100	4086 ms	10844 KiB

teams

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

#define fr first
#define sc second

using namespace std;

const int N = 1e5 + 5;

int cn[N], n;

pair <int, int> a[N];

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

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

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;
           ^
teams.cpp: In function 'int can(int, int*)':
teams.cpp:29:7: warning: declaration of 'cn' shadows a global declaration [-Wshadow]
   int cn = k[i];
       ^~
teams.cpp:11:5: note: shadowed declaration is here
 int cn[N], n;
     ^~

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