제출 #675500

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
675500		bashkort	휴가 (IOI14_holiday)	C++17	47 / 100	5085 ms	2364 KiB

holiday

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

using namespace std;
using ll = long long;

ll solve(int n, int start, int d, int attraction[]) {
    priority_queue<int, vector<int>, greater<>> pq;
    ll ans = 0, sum = 0;
    for (int i = start; i < n; ++i) {
        pq.push(attraction[i]);
        sum += attraction[i];
        while (!pq.empty() && pq.size() + (i - start) > d) {
            sum -= pq.top();
            pq.pop();
        }
        ans = max(ans, sum);
    }
    return ans;
}

ll findMaxAttraction(int n, int start, int d, int attraction[]) {
    ll ans = 0;

    if (start == 0) {
        return solve(n, start, d, attraction);
    } else {
        for (int _ = 0; _ < 2; ++_) {
            for (int i = 0; i <= start; ++i) {
                if (start - i < d) {
                    ans = max(ans, solve(n, i, d - (start - i), attraction));
                }
            }
            reverse(attraction, attraction + n);
            start = n - start - 1;
        }
    }

    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

holiday.cpp: In function 'll solve(int, int, int, int*)':
holiday.cpp:13:55: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int, std::vector<int>, std::greater<void> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |         while (!pq.empty() && pq.size() + (i - start) > d) {
      |                               ~~~~~~~~~~~~~~~~~~~~~~~~^~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 17 / 17
• Subtask 4: 0 / 53