제출 #584955

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
584955		Mazaalai	휴가 (IOI14_holiday)	C++17	23 / 100	5036 ms	5560 KiB

holiday

#include <bits/stdc++.h>
#include"holiday.h"
#define ALL(x) x.begin(),x.end()
#define LLA(x) x.rbegin(),x.rend()
#define pb push_back
using namespace std;
using PII = pair <int, int>;
using ll = long long;
long long int findMaxAttraction(int n, int start, int d, int nums[]) {
    ll ans = 0;
    for (int i = start; i >= 0; i--) {
        int l = start - i;
        multiset <int> vals;
        ll sum = 0;
        for (int p = i; p <= start; p++) {
            vals.insert(nums[p]);
            sum += nums[p];
        }
        // cout << i+1 << "," << start+1 << ": ";
        // for (auto el : vals) cout << el << ' '; cout << '\n';
        for (int j = start+1; j < n; j++) {
            int r = j - start;
            int move = l + r + min(l, r);
            int need = d - move;
            if (need <= 0) break;
            vals.insert(nums[j]);
            sum += nums[j];
            while(need < vals.size()) {
                sum -= *vals.begin();
                vals.erase(vals.begin());
            }
            // cout << i+1 << "," << j+1 << ": ";
            // for (auto el : vals) cout << el << ' '; cout << '\n';
            ans = max(ans, sum);
        }
    }
    // cout << "\n";
    // for(int i = 0; i < n; i++) cout << nums[i] << " \n"[i==n-1];
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:28:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::multiset<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |             while(need < vals.size()) {
      |                   ~~~~~^~~~~~~~~~~~~

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