제출 #250471

#제출 시각아이디문제언어결과실행 시간메모리
250471jwvg0425휴가 (IOI14_holiday)C++17
30 / 100
5080 ms2260 KiB
#include"holiday.h" #include <queue> #include <algorithm> #define all(x) (x).begin(), (x).end() using namespace std; long long int fromZero(int n, int d, int attraction[]) { priority_queue<int, vector<int>, greater<int>> q; long long int now = 0; long long int ans = 0; for (int i = 0; i < n; i++) { // 0 -> i까지 간다고 했을 때 관광지 방문에 쓸 수 있는 날짜 int canVisit = d - i; now += attraction[i]; q.push(attraction[i]); while (q.size() > canVisit) { now -= q.top(); q.pop(); } ans = max(ans, now); } return ans; } long long int findMaxAttraction(int n, int start, int d, int attraction[]) { if (start == 0) return fromZero(n, d, attraction); long long int ans = 0; for (int l = start; l >= 0; l--) { for (int r = start; r < n; r++) { // l ~ r 구간 int use = r - l + min(r - start, start - l); int remain = d - use; vector<int> at; for (int i = l; i <= r; i++) at.push_back(attraction[i]); sort(all(at), greater<int>()); long long int now = 0; for (int i = 0; i < min<int>(remain, at.size()); i++) now += at[i]; ans = max(ans, now); } } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

holiday.cpp: In function 'long long int fromZero(int, int, int*)':
holiday.cpp:23:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (q.size() > canVisit)
                ~~~~~~~~~^~~~~~~~~~
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