Submission #1269215

#	Time	Username	Problem	Language	Result	Execution time	Memory
1269215		minhphu2907	Friend (IOI14_friend)	C++20	100 / 100	15 ms	1352 KiB

friend

#include "friend.h"
#include <bits/stdc++.h>

using namespace std;

int findSample(int n, int c[], int p[], int t[])
{
    int ans = 0;

    for (int i = n - 1; i >= 0; i--)
    {
        if (i == 0)
            continue;
        if (t[i] == 0)
        {
            c[p[i]] = max(0, c[p[i]] - c[i]);
            ans += c[i];
        }
        else if (t[i] == 1)
        {
            c[p[i]] += c[i];
        }
        else
        {
            c[p[i]] = max(c[p[i]], c[i]);
        }
    }
    return ans + c[0];
}

• Subtask 1: 11 / 11
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 19 / 19
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31