제출 #1245691

#제출 시각아이디문제언어결과실행 시간메모리
1245691lopkusHacker (BOI15_hac)C++20
20 / 100
69 ms12100 KiB
#include <bits/stdc++.h> #define int int64_t signed main() { int n; std::cin >> n; std::vector<int> a(n + 1); for(int i = 1; i <= n; i++) { std::cin >> a[i]; } std::vector<int> pref(n + 1), suff(n + 2); for(int i = 1; i <= n; i++) pref[i] = pref[i - 1] + a[i]; for(int i = n; i >= 1; i--) suff[i] = suff[i + 1] + a[i]; int ans = 1e18; int k = (n + 1) / 2; for(int i = 1; i <= k; i++) { ans = std::min(ans, pref[i] + suff[i - k + n + 1]); } std::cout << ans; }
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