Submission #1089721

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089721		Error_Yuan	September (APIO24_september)	C++17	100 / 100	103 ms	10228 KiB

september

#include "september.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;

int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
	vector<int> D(N);
	vector<int> vis(N), cur;
	for (int i = 1; i < N; i++) D[F[i]]++;
	int k = 0, cnt = 0, del = 0;
	for (int i = 0; i < N - 1; i++) {
		cnt++;
		for (int j = 0; j < M; j++) {
			vis[S[j][i]]++;
			if (vis[S[j][i]] == 1) {
				cur.push_back(S[j][i]);
				int now = S[j][i];
				while (now != -1 && D[now] == 0 && vis[now] >= 1) {
					D[F[now]]--;
					del++;
					now = F[now];
				}
			}
		}
		if ((int)cur.size() != cnt || cnt != del) continue;
		k++;
		cnt = del = 0;
		for (auto x : cur) vis[x] = 0;
		cur.clear();
	}
	return k;
}

• 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