제출 #343997

#제출 시각아이디문제언어결과실행 시간메모리
343997couplefire팀들 (IOI15_teams)C++17
34 / 100
4094 ms29804 KiB
#include <bits/stdc++.h>
#include "teams.h"
using namespace std;

int n;
vector<int> smol, big;
int m;
vector<int> groups;
vector<vector<int>> tmp;
map<int, int> mp;

void init(int N, int* A, int* B){
    n = N;
    smol = vector<int>(n), big = vector<int>(n);
    for(int i = 0; i<n; i++) smol[i] = A[i], big[i] = B[i];
    tmp = vector<vector<int>>(n+1);
    for(int i = 0; i<n; i++) tmp[big[i]].push_back(smol[i]);
    for(int i = 1; i<=n; i++) sort(tmp[i].begin(), tmp[i].end());
}

int can(int M, int* K){
    m = M;
    groups = vector<int>(m);
    for(int i = 0; i<m; i++) groups[i] = K[i];
    mp.clear();
    for(int i = 0; i<m; i++) mp[groups[i]] += groups[i];
    for(int i = 1; i<=n; i++){
        for(auto x : tmp[i]){
            if(mp.empty()) return 1;
            auto it = mp.lower_bound(x);
            if(it == mp.end()) break;
            int num = (*it).first;
            if(num > i) break;
            mp[num]--;
            if(mp[num] == 0) mp.erase(num);
        }
    }
    if(mp.empty()) return 1;
    return 0;
}
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