#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long int
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
vector<ll> pref0(N+1), pref1(N+1);
for (int i = 0; i < M; i++) {
if (X[i] == 0) pref0[Y[i] + 1] += W[i];
else pref1[Y[i] + 1] += W[i];
}
for (int i = 1; i <= N; i++) {
pref0[i] += pref0[i-1]; pref1[i] += pref1[i-1];
}
ll s1 = 0, s2 = 0, s3 = 0;
for (int i = 0; i <= N; i++) {
s1 = max(s1, pref1[i]);
s2 = max(s2, pref0[i]);
s3 = max(s3, pref1[N] - pref1[i] + pref0[i]);
}
if (N == 2) return max(s1, s2);
return max(s1, max(s2, s3));
}
Compilation message
fish.cpp:6:1: error: 'll' does not name a type
6 | ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W) {
| ^~
