#include <bits/stdc++.h>
#include <stdio.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 10000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define single_case solve();
#define line cerr<<"----------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cerr.tie(NULL); }
#define mod 1000000007LL
ll levoo(int i, vector<ll> &levo, int n) {
if (i < 0 || i >= n)
return 0;
return levo[i];
}
ll desnoo(int i, vector<ll> &desno, int n) {
if (i < 0 || i >= n)
return 0;
return desno[i];
}
ll dpp(int i, int j, vector<vector<ll> > &dp, int n) {
if (i < 0 || i >= n)
return 0;
return dp[i][j];
}
ll vall(int i, vector<ll> &val, int n) {
if (i < 0 || i >= n)
return 0;
return val[i];
}
long long max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {
vector<ll> val(n, 0);
vector<set<ll> > visine(n);
vector<ll> desno(n, 0), levo(n, 0);
for (int i = 0; i < m; ++i) {
visine[x[i]].insert(i);
val[x[i]] += (ll)w[i];
}
ll sigurno = 0;
for (int i = 0; i < n; ++i) {
ll cnt = 0;
if (i - 1 >= 0) {
for (ll ind : visine[i]) {
if (y[ind] >= *visine[i - 1].begin())
break;
cnt += (ll)w[ind];
levo[i] = cnt;
}
}
if (i + 1 < n) {
cnt = 0;
for (ll ind : visine[i]) {
if (y[ind] >= *visine[i + 1].begin())
break;
cnt += (ll)w[ind];
desno[i] = cnt;
}
}
}
vector<vector<ll> > dp(n, vector<ll>(2, 0));
for (int i = 0; i < n; ++i) {
dp[i][0] = max(vall(i - 1, val, n) + max({dpp(i - 2, 0, dp, n), desnoo(i - 2, desno, n) + max({dpp(i - 3, 0, dp, n), dpp(i - 3, 1, dp, n)})}), dpp(i - 2, 1, dp, n));
dp[i][1] = ((i - 1 >= 0) ? val[i] : 0LL) + max(dpp(i - 2, 0, dp, n), dpp(i - 2, 1, dp, n));
}
ll jos = 0;
if (i >= 2) {
jos = dp[n - 2][1] + levo[n - 1];
}
return max({dp[n - 1][0], dp[n - 1][1], jos});
}
Compilation message
fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:79:7: error: 'i' was not declared in this scope
79 | if (i >= 2) {
| ^
fish.cpp:51:6: warning: unused variable 'sigurno' [-Wunused-variable]
51 | ll sigurno = 0;
| ^~~~~~~
