제출 #540862

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
540862		GioChkhaidze	Teams (IOI15_teams)	C++14	0 / 100	4081 ms	57200 KiB

teams

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

#define ll long long
#define pb push_back

using namespace std;

const int Nn = 5e5 + 5;

ll n, a[Nn], b[Nn], f[Nn];
vector < ll > G[Nn];
multiset < ll > st;

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

int can(int M, int K[]) {
	ll s = 0;
	for (int i = 0; i < M; ++i) {
		f[K[i]]++;
		s += K[i];
	}
	st.clear();
	bool ok = true;
	if (s > n) ok = false;
		else {
		for (int i = 1; i <= n; ++i) {
			for (int j = 0; j < G[i].size(); ++j) {
				int id = G[i][j];
				st.insert(b[id]);
			}
			if (f[i] * i > n) { ok = false; break; }
			for (int j = 1; j <= f[i] * i; ++j) {
				if (!st.size()) { ok = false; break; }
				if ((*st.begin()) < i) { ok = false; break; }
				st.erase(st.find(*st.begin()));
			}
			if(!ok) break;
		}
	}
	for (int i = 0; i < M; ++i) {
		f[K[i]] = 0;
	}
	return ok;
}

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int can(int, int*)':
teams.cpp:36:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |    for (int j = 0; j < G[i].size(); ++j) {
      |                    ~~^~~~~~~~~~~~~
teams.cpp:37:20: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
   37 |     int id = G[i][j];
      |                    ^

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