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Submission #864654

# Submission time Handle Problem Language Result Execution time Memory
864654 2023-10-23T11:21:03 Z maks007 Political Development (BOI17_politicaldevelopment) C++14
0 / 100
 1 ms 436 KB 
// Bismi Allah
#include "bits/stdc++.h"

using namespace std;

signed main () {
	int n, k, T = 1, f = 0;
	cin >> n >> k;
	vector <int> g[n], used(n);
	function <void(int)> dfs=[&](int v) {
		used[v] = T ++;
		for(auto u : g[v]) {
			if(!used[u]) dfs(u);
			if(used[u] - used[v] == 2) {
				f = 3;
			}
		}
	};
	for(int i = 0; i < n; i ++) {
		int sz;
		cin >> sz;
		if(sz) f = 2;
		for(int v;sz>=1;sz--) {
			cin >> v;
			g[i].push_back(v);
		}
	}
	if(!f) cout << 1;
	else {
		for(int i = 0; i < n; i ++) {
			if(!used[i]) dfs(i);
		}
		cout << f;
	}
	return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Incorrect 0 ms 436 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -