#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ii,ll>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///APIO 2021 vc
#include "roads.h"
std::vector<long long> minimum_closure_costs(int N, std::vector<int> U,std::vector<int> V,std::vector<int> W){
vll ans;
ll sum = 0;
for(auto x:W){
sum += x;
}
ans.pb(sum);
ll dp[n] = {0};
ll res = 0;
dp[1] = W[0];
f(i,1,n-1){
dp[i+1] = max(dp[i-1] + W[i],dp[i]);
res = max(res,dp[i+1]);
}
ans.pb(sum - res);
f(i,3,n+1){
ans.pb(0);
}
return ans;
}
Compilation message
roads.cpp: In function 'std::vector<long long int> minimum_closure_costs(int, std::vector<int>, std::vector<int>, std::vector<int>)':
roads.cpp:33:11: error: 'n' was not declared in this scope
33 | ll dp[n] = {0};
| ^
roads.cpp:35:5: error: 'dp' was not declared in this scope
35 | dp[1] = W[0];
| ^~
