Submission #1211134

#TimeUsernameProblemLanguageResultExecution timeMemory
1211134MuhammetCatfish Farm (IOI22_fish)C++20
0 / 100
965 ms2162688 KiB
#include "bits/stdc++.h" #include "fish.h" // #include "grader.cpp" using namespace std; #define ll long long ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) { vector <vector <ll>> a(n+2, vector <ll> (n+2, 0)), dp(n+2, vector <ll> (n+2, 0)); for(int i = 0; i < m; i++) { a[x[i] + 1][y[i] + 1] = w[i]; } for(int i = 1; i <= n; i++) { for(int j = 1; j <= n; j++) { a[i][j] += (!j ? 0 : a[i][j-1]); } } vector <ll> b(n+1, 0); for(int i = 1; i <= n; i++) { for(int j = 0; j <= n; j++) { for(int j1 = 0; j1 <= j; j1++) { dp[i][j] = max(dp[i][j], a[i+1][j] + dp[i-1][j1] - a[i][j1] + a[i-1][j] - a[i-1][j1]); } for(int j1 = j; j1 < n; j1++) { dp[i][j] = max(dp[i][j], a[i+1][j] + dp[i-1][j1] - a[i][j]); } dp[i][j] = max(dp[i][j], a[i+1][j] + a[i-1][j] + (i > 2 ? b[i-3] : 0)); b[i] = max(b[i], dp[i][j]); } b[i] = max(b[i], b[i-1]); } return b[n-1]; }
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