제출 #1079098

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1079098		ArthuroWich	Catfish Farm (IOI22_fish)	C++17	0 / 100	837 ms	2097152 KiB

fish

#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long int
int max_weights(int32_t N, int32_t M, vector<int32_t> X, vector<int32_t> Y, vector<int32_t> W) {
    int n = N, m = M;
    vector<vector<int>> c(n+1, vector<int>(n+1, 0));
    vector<vector<vector<int>>> dp(n+1, vector<vector<int>>(n+1, vector<int>(2, 0)));
    for (int i = 0; i < m; i++) {
        c[X[i]][Y[i]] = W[i];
    }
    int i = 0;
    for (int j = 0; j < n; j++) {
        if (j-1 >= 0) {
            dp[i][j][0] = max(dp[i][j][0], dp[i][j-1][1]+c[i][j]);
            dp[i][j][0] = max(dp[i][j][0], dp[i][j-1][0]);
            dp[i][j][1] = max(dp[i][j][1], dp[i][j-1][0]);
            dp[i][j][1] = max(dp[i][j][1], dp[i][j-1][1]);
        }
        if (j == 1) {
            dp[i][j][1] = max(dp[i][j][1], dp[i][j-1][0]+c[i][j-1]);
        }
        if (j-1 >= 0) {
            dp[i][j][1] = max(dp[i][j][1], dp[i][j-2][0]+c[i][j-2]);
            dp[i][j][1] = max(dp[i][j][1], dp[i][j-2][1]+c[i][j-2]);
        }
    }
    cout << max(dp[n-1][n-1][0], dp[n-1][n-1][1]) << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'long long int max_weights(int32_t, int32_t, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:29:1: warning: no return statement in function returning non-void [-Wreturn-type]
   29 | }
      | ^

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