제출 #627221

#제출 시각아이디문제언어결과실행 시간메모리
627221typ_ik메기 농장 (IOI22_fish)C++17
12 / 100
85 ms7276 KiB
#include <bits/stdc++.h> #define all(x) (x).begin(), (x).end() using namespace std; long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) { int block1 = 0; for (auto c : X) block1 += (c & 1 ^ 1); if (block1 == M) return accumulate(all(W), 0ll); long long dp[N + 1][2]; long long val[N + 1]; for (int i = 0; i <= N; i++) { for (int j : {0, 1}) dp[i][j] = 0; val[i] = 0; } for (int i = 0; i < M; i++) X[i]++; for (int i = 0; i < M; i++) val[X[i]] = W[i]; dp[0][1] = val[1]; for (int i = 2; i <= N; i++) { dp[i][0] = max(dp[i - 1][0], dp[i - 1][1]); dp[i][1] = max(dp[i - 1][1] - val[i], max(dp[i - 2][0] + val[i - 1], dp[i - 2][1])) + val[i + 1]; } return max(dp[N - 1][0], dp[N - 1][1]); } //main() { // int N = 10, M = 4; // vector <int> X = {0, 5, 7, 4}; // vector <int> Y = {0, 0, 0, 0}; // vector <int> W = {10, 5, 3, 6}; // cout << max_weights(N, M, X, Y, W) << '\n'; //}

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:9:35: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    9 |     for (auto c : X) block1 += (c & 1 ^ 1);
      |                                 ~~^~~
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