제출 #606927

#제출 시각아이디문제언어결과실행 시간메모리
606927pakhomoveeBuilding Bridges (CEOI17_building)C++17
30 / 100
3051 ms4580 KiB
#include <iostream> #include <vector> #include <string> using namespace std; #define int long long const int inf = 1e18; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<int> h(n); for (int& i : h) cin >> i; vector<int> w(n); for (int& i : w) cin >> i; vector<int> dp(n, inf); dp[0] = 0; vector<int> pref(n + 1, 0); for (int i = 1; i <= n; ++i) pref[i] = pref[i - 1] + w[i - 1]; for (int i = 1; i < n; ++i) { for (int j = i - 1; j >= 0; --j) { dp[i] = min(dp[i], (dp[j] - pref[j + 1] + h[j] * h[j]) - (2 * h[j] * h[i]) + (h[i] * h[i] + pref[i])); } } cout << dp.back(); }
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