Submission #284570

#	Time	Username	Problem	Language	Result	Execution time	Memory
284570		ScarletS	Friend (IOI14_friend)	C++17	Compilation error	0 ms	0 KiB

friend

#include <bits/stdc++.h>
#define ll long long
#define sz(x) (int)(x).size()
using namespace std;

vector<int> edges[1000];
int dp[1000][2];

void dfs(int c, int co[])
{
    dp[c][1]=confidence[c];
    for (int i : edges[c])
    {
        dfs(i,co);
        dp[c][1]+=dp[i][0];
        dp[c][0]+=max(dp[i][0],dp[i][1]);
    }
}

int findSample(int n, int confidence[], int host[], int protocol[])
{
    for (int i=1;i<n;++i)
        edges[host[i]].push_back(i);
    dfs(0,confidence);
    return max(dp[0][0],dp[0][1]);
}

/**int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n;
    cin>>n;
    int c[n];
    for (int i=0;i<n;++i)
        cin>>c[i];
    int h[n];
    for (int i=1;i<n;++i)
        cin>>h[i];
    int p[n];
    for (int i=1;i<n;++i)
        cin>>p[i];
    cout<<findSample(n,c,h,p);
    return 0;
}**/

Compilation message (stderr)

friend.cpp: In function 'void dfs(int, int*)':
friend.cpp:11:14: error: 'confidence' was not declared in this scope
   11 |     dp[c][1]=confidence[c];
      |              ^~~~~~~~~~