#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
int biggest_stadium(int N, vector<vector<int>> F) {
int n = N;
vector<vector<int>> a = F, next(n, vector<int>(n));
vector dp(n + 1, vector(n + 1, vector<int>(n + 1, -1))));
function<int(int, int, int, int)> f = [&] (int l, int r, int x, int y) {
int ans = 0;
if (dp[l][x][y] != -1) return dp[l][x][y];
if (x - 1 >= 0) {
for (int j = l; j <= r; j ++) {
if (a[x - 1][j]) continue;
int z = min(r, next[x - 1][j]);
ans = max(ans, f(j, z, x - 1, y) + z - j + 1);
j = z;
}
}
if (y + 1 < n) {
for (int j = l; j <= r; j ++) {
if (a[y + 1][j]) continue;
int z = min(r, next[y + 1][j]);
ans = max(ans, f(j, z, x, y + 1) + z - j + 1);
j = z;
}
}
return dp[l][x][y] = ans;
};
for (int i = 0; i < n; i ++) {
if (a[i][n - 1] == 0) next[i][n - 1] = n - 1;
else next[i][n - 1] = n - 2;
for (int j = n - 2; j >= 0; j --) {
if (a[i][j]) next[i][j] = j - 1;
else next[i][j] = next[i][j + 1];
}
}
int ans = 0;
for (int i = 0; i < n; i ++) {
for (int j = 0; j < n; j ++) {
if (a[i][j]) continue;
ans = max(ans, f(j, next[i][j], i, i) + next[i][j] - j + 1);
j = next[i][j];
}
}
return ans;
}
Compilation message
soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:7:60: error: expected ',' or ';' before ')' token
7 | vector dp(n + 1, vector(n + 1, vector<int>(n + 1, -1))));
| ^
