제출 #38312

#제출 시각아이디문제언어결과실행 시간메모리
38312romanasa등산 경로 (IZhO12_route)C++14
0 / 100
0 ms2020 KiB
#include <bits/stdc++.h> #define err(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) using namespace std; typedef long long ll; priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>> > S; #define TASK "g" int main() { #ifndef HOME freopen(TASK".in", "r", stdin), freopen(TASK".out", "w", stdout); #endif ios_base::sync_with_stdio(0); cin.tie(0); int n, k; cin >> n >> k; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; rotate(a.begin(), max_element(a.begin(), a.end()), a.end()); a.push_back(a[0]); vector<int> s; for (int i = 0; i <= n; i++) { while (s.size() && a[s.back()] < a[i]) { int val = a[s.back()]; s.pop_back(); S.push({ (i - s.back() - 1), min(a[s.back()], a[i]) - val }); } s.push_back(i); } int ans = 0; while (S.size()) { auto c = S.top(); S.pop(); int t = min(k / c.first, c.second); ans += t * 2; k -= t * c.first; } cout << ans << "\n"; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

route.cpp: In function 'int main()':
route.cpp:14:66: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen(TASK".in", "r", stdin), freopen(TASK".out", "w", stdout);
                                                                  ^
route.cpp:14:66: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
#Verdict Execution timeMemoryGrader output
Fetching results...