Submission #128139

#	Time	Username	Problem	Language	Result	Execution time	Memory
128139		MoNsTeR_CuBe	Teams (IOI15_teams)	C++17	0 / 100	4072 ms	15744 KiB

teams

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

vector< int > usefulPerson;

vector< int > A;
vector< int > B;
int N;

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

bool comp(pair< vector< int >, int > &Aa, pair< vector< int >, int > &Bb){
	return Aa.first.size() < Bb.first.size();
}

bool comp1(int &a, int &b){
	return usefulPerson[a] < usefulPerson[b];
}

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

	usefulPerson.assign(N,0);
	
	vector< pair< vector< int >, int > > work(M);
	
	for(int i = 0; i < N; i++){
		for(int j = 0; j < M; j++){
			work[j].second = j;
			if(A[i] <= K[j] && B[i] >= K[j]){
				usefulPerson[i]++;
				work[j].first.push_back(i);
			}
		}
	}

	for(int i = 0; i < M; i++){
		sort(work[i].first.begin(), work[i].first.end(),comp1);
	}
	
	sort(work.begin(), work.end(),comp);
	
	vector< bool > USED(N);
	
	for(int i = 0; i < M; i++){
		int rem = K[work[i].second];
		int curr = 0;
		while(rem && curr < (int)work[i].first.size()){
			curr++;
			if(USED[work[i].first[curr-1]]){
				continue;
			}
			USED[work[i].first[curr-1]] = true;
			rem--;
		}
		if(rem) return 0;
	}

	return 1;
}

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