Submission #1201579

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201579		BehruzbekX	September (APIO24_september)	C++17	100 / 100	112 ms	11392 KiB

september

#include <bits/stdc++.h>
using namespace std;
int solve(int n, int m, std::vector<int> p, std::vector<std::vector<int>> s) {
	vector<vector<int>> a(n);
	for (int i = 1; i < n; i++) {
		a[p[i]].emplace_back(i);
	}
	vector<int> v(n), c(n);
	int  ans = 0;
	int l = 0, r = 0;
	for (int i = 0; i < n - 1; i++) {
		int x = s[0][i];
		if (v[p[x]]) l--;
		v[x] = 1;
		for (int u : a[x]) if (!v[u]) l++;
		for (int j = 0; j < m; j++) {
			int y = s[j][i];
			if (c[y] == 0) r++;
			c[y]++;
			if (c[y] == m) --r;
		}
		if (!l && !r) ans++;
	}
	return ans;
}

• Subtask 1: 11 / 11
• Subtask 2: 14 / 14
• Subtask 3: 5 / 5
• Subtask 4: 9 / 9
• Subtask 5: 5 / 5
• Subtask 6: 11 / 11
• Subtask 7: 9 / 9
• Subtask 8: 11 / 11
• Subtask 9: 9 / 9
• Subtask 10: 16 / 16