제출 #981637

#제출 시각아이디문제언어결과실행 시간메모리
981637Ghulam_Junaid도로 폐쇄 (APIO21_roads)C++17
12 / 100
40 ms4956 KiB
#include <bits/stdc++.h> #include "roads.h" using namespace std; typedef long long ll; vector<ll> minimum_closure_costs(int N, vector<int> U, vector<int> V, vector<int> W) { int n = N; vector<ll> ans(n, 0); bool subtask1 = 1, subtask2 = 1; for (int i = 0; i < n - 1; i ++){ subtask1 &= (U[i] == 0); subtask2 &= (U[i] == i and V[i] == i + 1); } ll sm = 0; for (int i = 0; i < n - 1; i ++) sm += W[i]; ans[0] = sm; if (subtask1){ sort(W.begin(), W.end()); for (int i = 1; i < n; i ++) ans[i] = ans[i - 1] - W[n - i - 1]; } if (subtask2){ ll dp[n][2]; dp[0][0] = W[0]; dp[0][1] = 0; for (int i = 1; i < W.size(); i ++){ dp[i][0] = min(dp[i - 1][0], dp[i - 1][1]) + W[i]; dp[i][1] = dp[i - 1][0]; } ans[1] = min(dp[W.size() - 1][0], dp[W.size() - 1][1]); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

roads.cpp: In function 'std::vector<long long int> minimum_closure_costs(int, std::vector<int>, std::vector<int>, std::vector<int>)':
roads.cpp:31:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for (int i = 1; i < W.size(); i ++){
      |                         ~~^~~~~~~~~~
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