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답안 #218600

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
218600 2020-04-02T11:17:40 Z KCSC Bosses (BOI16_bosses) C++14
100 / 100
 797 ms 760 KB 
#include <bits/stdc++.h>
using namespace std;

const int DIM = 5005;

vector<int> edg[DIM];
int mrk[DIM];

int main(void) {
#ifdef HOME
	freopen("bosses.in", "r", stdin);
	freopen("bosses.out", "w", stdout);
#endif
	int n; cin >> n;
	for (int i = 1; i <= n; ++i) {
		int k; cin >> k;
		for (int j = 1; j <= k; ++j) {
			int x; cin >> x;
			edg[x].push_back(i);
		}
	}
	int ans = (1 << 30);
	for (int s = 1; s <= n; ++s) {
		for (int i = 1; i <= n; ++i)
			mrk[i] = 0;
		mrk[s] = 1;
		deque<int> que(1, s);
		int cst = 0;
		for (; que.size(); que.pop_front()) {
			int x = que.front();
			cst += mrk[x];
			for (int y : edg[x]) if (!mrk[y]) {
				mrk[y] = mrk[x] + 1;
				que.push_back(y);
			}
		}
		for (int i = 1; i <= n; ++i)
			if (!mrk[i])
				cst = (1 << 30);
		ans = min(ans, cst);
	}
	cout << ans << endl;
	return 0;
}

Subtask #1
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct

Subtask #2
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct

Subtask #3
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 12 ms 512 KB Output is correct
13 Correct 10 ms 640 KB Output is correct
14 Correct 172 ms 512 KB Output is correct
15 Correct 43 ms 616 KB Output is correct
16 Correct 617 ms 760 KB Output is correct
17 Correct 797 ms 760 KB Output is correct
18 Correct 789 ms 760 KB Output is correct