#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
long long f_pref[305][305], dp1[305][305], dp2[305][305], dp_pref[305][305], dp_suff[305][305];
long long max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
for(int i = 0; i < M; i++) f_pref[X[i]][Y[i] + 1] = W[i];
for(int i = 0; i < N; i++) for(int j = 1; j <= N; j++) f_pref[i][j] += f_pref[i][j - 1];
for(int l = 1; l < N; l++) {
for(int i = 0; i <= N; i++) {
for(int j = 0; j <= N; j++) {
if(i <= j) dp1[i][j] = dp_pref[j][N] + f_pref[l][j] - f_pref[l][i];
else{
dp1[i][j] = dp_pref[j][j] + f_pref[l - 1][i] - f_pref[l - 1][j];
dp1[i][j] = max(dp1[i][j], dp_suff[j][i]);
if(!j) for(int k = j; k < i; k++) dp1[i][j] = max(dp1[i][j], dp2[j][k] + f_pref[l - 1][i] - f_pref[l - 1][k]);
}
}
}
swap(dp1, dp2);
memset(dp1, 0, sizeof(dp1);
memcpy(dp_pref, dp2, sizeof(dp2));
memcpy(dp_suff, dp2, sizeof(dp2));
for(int i = 0; i <= N; i++) for(int j = 1; j <= N; j++) dp_pref[i][j] = max(dp_pref[i][j-1], dp_pref[i][j]);
for(int i = 0; i <= N; i++) for(int j = N; j--;) dp_suff[i][j] = max(dp_suff[i][j + 1], dp_suff[i][j]);
}
long long ans = 0;
for(int i = 0; i <= N; i++) for(int j = 0; j <= N; j++) ans = max(ans, dp2[i][j]);
return ans;
}
Compilation message
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:22:35: error: expected ')' before ';' token
22 | memset(dp1, 0, sizeof(dp1);
| ~ ^
| )