#include "fish.h"
#include <bits/stdc++.h>
#define fore(i, l, r) for(int i=int(l); i<int(r); i++)
using namespace std;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
std::vector<int> W) {
long long ok=1,ok1=1;
fore(i,0,M) {
if(X[i] % 2)
ok=0;
if(X[i] > 1)
ok1=0;
}
long long ans=0;
if(ok)
fore(i,0,M)
ans+=W[i];
else if(ok1) {
long long grid[2][N+5];
memset(grid,0,sizeof grid);
fore(i,0,M)
grid[X[i]][Y[i]] = W[i];
long long sum1=0,sum2=0,temp1=0,temp2=0;
if(N > 2) {
fore(i,0,N) {
sum1+=grid[0][i];
sum2+=grid[1][i];
if(sum1 >= sum2 and abs(sum1-sum2) >= abs(temp1-temp2)) {
temp1=sum1;
temp2=sum2;
}
}
ans = sum2-temp2+temp1;
} else {
fore(i,0,N) {
sum1+=grid[0][i];
sum2+=grid[1][i];
}
return max(sum1,sum2);
}
} else {
long long grid[N+5];
memset(grid,0,sizeof grid);
fore(i,0,M)
grid[X[i]] = W[i];
long dp[N+5];
memset(dp,0,sizeof dp);
fore(i,0,N) {
dp[i] = grid[i+1];
if(i)
dp[i] += grid[i-1];
if(i>1)
dp[i] += dp[i-2];
if(i)
dp[i] = max(dp[i-1],dp[i]);
}
ans = dp[n-1];
}
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:61:16: error: 'n' was not declared in this scope
61 | ans = dp[n-1];
| ^
