oj.uz

Submission #509299

# Submission time Handle Problem Language Result Execution time Memory
509299 2022-01-14T04:54:52 Z sumit_kk10 Bosses (BOI16_bosses) C++17
0 / 100
 14 ms 27600 KB 
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL) 
#define ll long long
#define pb push_back
#define F first 
#define S second
using namespace std;
const int N = 1e6 + 5, MOD = 1e9 + 7;
int n, sum = 0;
vector<int> g[N], vis(N);

void solve(){
	cin >> n;
	for(int i = 1; i <= n; ++i){
		int x;
		cin >> x;
		for(int j = 0; j < x; ++j){
			int k;
			cin >> k;
			g[k].pb(i);
		}
	}
	long long ans = INT_MAX;
	for(int root = 1; root <= n; ++root){
		for(int j = 1; j <= n; ++j) vis[j] = 0;
		queue<pair<int, int> > q;
		long long sum = 1;
		q.push({root, 1});
		vis[root] = true;
		while(!q.empty()){
			int node = q.front().F, cost = q.front().S;
			q.pop();
			for(auto k : g[node]){
				if(!vis[k]){
					q.push({k, cost + 1});
					sum += cost + 1;
					vis[k] = true;
				}
			}
		}
		ans = min(ans, sum);
		// cout << sum << '\n';
	}
	cout << ans << '\n';
}

int main() {
    fast;
    int t = 1;
    // cin >> t;
    while(t--)
    	solve();
	return 0;
}

Compilation message

bosses.cpp: In function 'int main()':
bosses.cpp:51:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   51 |     while(t--)
      |     ^~~~~
bosses.cpp:53:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   53 |  return 0;
      |  ^~~~~~

Subtask #1
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 27596 KB Output is correct
2 Correct 13 ms 27596 KB Output is correct
3 Incorrect 14 ms 27600 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 27596 KB Output is correct
2 Correct 13 ms 27596 KB Output is correct
3 Incorrect 14 ms 27600 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 27596 KB Output is correct
2 Correct 13 ms 27596 KB Output is correct
3 Incorrect 14 ms 27600 KB Output isn't correct
4 Halted 0 ms 0 KB -