oj.uz

Submission #695307

# Submission time Handle Problem Language Result Execution time Memory
695307 2023-02-05T00:40:46 Z GusterGoose27 Jail (JOI22_jail) C++11
5 / 100
 148 ms 12364 KB 
#include <bits/stdc++.h>

using namespace std;

typedef pair<int, int> pii;

const int MAXN = 12e4;

vector<int> edges[MAXN];
int n, m;
pii queries[MAXN];

class query {
public:
	int l, r;
	bool f;
	query(int l, int r, bool f) : l(l), r(r), f(f) {}
};

bool operator<(query &a, query &b) {
	return (a.l == b.l) ? (a.r > b.r) : (a.l < b.l); 
}

int main() {
	int t; cin >> t;
	bool s1 = 1;
	while (t--) {
		cin >> n;
		for (int i = 0; i < n; i++) edges[i].clear();
		for (int i = 0; i < n-1; i++) {
			int x, y; cin >> x >> y;
			x--; y--;
			edges[x].push_back(y);
			edges[y].push_back(x);
			if (y-x != 1) s1 = 0;
		}
		cin >> m;
		for (int i = 0; i < m; i++) {
			int x, y; cin >> x >> y;
			queries[i] = pii(x-1, y-1);
		}
		if (s1) {
			vector<query> sorted;
			for (int i = 0; i < m; i++) {
				if (queries[i].first > queries[i].second) sorted.push_back(query(queries[i].second, queries[i].first, 1));
				else sorted.push_back(query(queries[i].first, queries[i].second, 0));
			}
			sort(sorted.begin(), sorted.end());
			int r[2];
			r[0] = r[1] = -1;
			bool ans = 1;
			for (query q: sorted) {
				if (r[q.f] >= q.r || r[!q.f] >= q.l) {
					ans = 0;
					break;
				}
				r[q.f] = q.r;
			}
			if (ans) {
				cout << "Yes\n";
			}
			else cout << "No\n";
		}
		else assert(false);
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 1 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 22 ms 3396 KB Output is correct
5 Correct 46 ms 3752 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3140 KB Output is correct
8 Correct 4 ms 3156 KB Output is correct
9 Correct 64 ms 4452 KB Output is correct
10 Correct 74 ms 8312 KB Output is correct
11 Correct 12 ms 3284 KB Output is correct
12 Correct 55 ms 3996 KB Output is correct
13 Correct 100 ms 10144 KB Output is correct
14 Correct 100 ms 10096 KB Output is correct
15 Correct 102 ms 10072 KB Output is correct
16 Correct 148 ms 12228 KB Output is correct
17 Correct 109 ms 10328 KB Output is correct
18 Correct 144 ms 12364 KB Output is correct
19 Correct 106 ms 10276 KB Output is correct
20 Correct 110 ms 10388 KB Output is correct
21 Correct 104 ms 10336 KB Output is correct
22 Correct 110 ms 10324 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 4 ms 3156 KB Output is correct
4 Runtime error 4 ms 6228 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 4 ms 3156 KB Output is correct
4 Runtime error 4 ms 6228 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 4 ms 3156 KB Output is correct
4 Runtime error 4 ms 6228 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 4 ms 3156 KB Output is correct
4 Runtime error 4 ms 6228 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Runtime error 5 ms 6100 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 1 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 22 ms 3396 KB Output is correct
5 Correct 46 ms 3752 KB Output is correct
6 Correct 4 ms 3156 KB Output is correct
7 Correct 4 ms 3140 KB Output is correct
8 Correct 4 ms 3156 KB Output is correct
9 Correct 64 ms 4452 KB Output is correct
10 Correct 74 ms 8312 KB Output is correct
11 Correct 12 ms 3284 KB Output is correct
12 Correct 55 ms 3996 KB Output is correct
13 Correct 100 ms 10144 KB Output is correct
14 Correct 100 ms 10096 KB Output is correct
15 Correct 102 ms 10072 KB Output is correct
16 Correct 148 ms 12228 KB Output is correct
17 Correct 109 ms 10328 KB Output is correct
18 Correct 144 ms 12364 KB Output is correct
19 Correct 106 ms 10276 KB Output is correct
20 Correct 110 ms 10388 KB Output is correct
21 Correct 104 ms 10336 KB Output is correct
22 Correct 110 ms 10324 KB Output is correct
23 Correct 2 ms 3028 KB Output is correct
24 Correct 2 ms 3028 KB Output is correct
25 Correct 4 ms 3156 KB Output is correct
26 Runtime error 4 ms 6228 KB Execution killed with signal 6
27 Halted 0 ms 0 KB -