Submission #864663

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
864663	2023-10-23T11:35:13 Z	maks007	Political Development (BOI17_politicaldevelopment)	C++14	Compilation error	0 ms	0 KB

politicaldevelopment

// 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);
			else if(used[v] - used[u] == 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(k == 1) {
		cout << 1;
	}else
	if(!f) cout << 1;
	else {
		if(k <= 2) {
			cout << 2;
			return 0;
		}
		for(int i = 0; i < n; i ++) {
			if(!used[i]) dfs(i);
		}
		/*if(f == 3)
		cout << 3;
		else */cout << 2;
	}
	return 0;
}v

Compilation message

politicaldevelopment.cpp:45:2: error: 'v' does not name a type
   45 | }v
      |  ^