Submission #1174764

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174764	2025-03-27 09:22:43	Tien_Noob	Cat in a tree (BOI17_catinatree)	C++20	0 / 100	71 ms	139588 KiB

catinatree

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//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
using namespace std;
const int N = 2e5;
vector<int> adj[N + 1];
int n, d;
deque<int> dp[N + 1];
void read()
{
    cin >> n >> d;
    for (int i = 1; i < n; ++ i)
    {
        int u;
        cin >> u;
        adj[u].push_back(i);
    }
}
void DFS(int u)
{
    dp[u].push_back(1); //dp[u][0] = 1
    for (int v : adj[u])
    {
        DFS(v);
        dp[v].push_front(dp[v].front());
        if (dp[u].size() < dp[v].size())
        {
            swap(dp[u], dp[v]);
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

catinatree.cpp: In function 'int main()':
catinatree.cpp:59:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 40
• Subtask 3: 0 / 49