답안 #1037447

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1037447	2024-07-28T22:27:31 Z	wood	Joker (BOI20_joker)	C++17	31 / 100	2000 ms	16840 KB

Joker

#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> p32;
typedef vector<p32> vp32;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second 

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n,m,q; cin>>n>>m>>q;
	vp32 adj[n];
	for(int i = 0; i<m; i++){
		int a,b; cin>>a>>b;
		a--; b--;
		adj[a].eb(b,i+1);
		adj[b].eb(a,i+1);
	}
	vp32 querries[200];
	for(int j = 0; j<q; j++){
		int l,r; cin>>l>>r;	
		querries[l-1].eb(r,j);
	}
	int res[q];
	memset(res,0,sizeof res);
	for(int l = 0; l<200; l++){
		sort(querries[l].begin(),querries[l].end());
		int left = -1, right = querries[l].size();
		while(right-left>1){
			int m = (right+left)/2;
			int parent[n];
			int depth[n];
			memset(parent,0,sizeof parent);
			memset(depth,0,sizeof depth);
			stack<int> qu;
			for(int i = 0; i<n; i++){
				if(!parent[i]){
					parent[i] = i+1;
					qu.push(i);
					while(!qu.empty()){
						int x = qu.top();
						depth[x] = depth[parent[x]-1]+1;
						qu.pop();
						for(p32 tt : adj[x]){
							if(tt.se<l+1||tt.se>querries[l][m].first){
								if(depth[tt.fi]&&parent[x]-1!=tt.fi&&((depth[x]-depth[tt.fi]+1)&1)) goto found;
								if(parent[tt.fi]==0){
									parent[tt.fi] = x+1;
									qu.push(tt.fi);
								}
							}
						}
					}
				}
			}
			right = m;
			continue;
found:
			left = m;
		}
		for(int i = 0; i<=left; i++){
			res[querries[l][i].se] = true;
		}
	}
	for(bool x : res) cout<<(x ? "YES\n" : "NO\n");
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	472 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct

Subtask #2
0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	472 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Runtime error	1 ms	604 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	98 ms	11196 KB	Output is correct
4	Correct	185 ms	16832 KB	Output is correct
5	Correct	122 ms	16412 KB	Output is correct
6	Correct	141 ms	13100 KB	Output is correct
7	Correct	139 ms	12992 KB	Output is correct
8	Correct	145 ms	11196 KB	Output is correct
9	Correct	149 ms	13116 KB	Output is correct
10	Correct	178 ms	16836 KB	Output is correct
11	Correct	150 ms	12796 KB	Output is correct
12	Correct	170 ms	15672 KB	Output is correct
13	Correct	102 ms	9488 KB	Output is correct
14	Correct	159 ms	11196 KB	Output is correct
15	Correct	191 ms	14528 KB	Output is correct
16	Correct	191 ms	16840 KB	Output is correct

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	472 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	98 ms	11196 KB	Output is correct
30	Correct	185 ms	16832 KB	Output is correct
31	Correct	122 ms	16412 KB	Output is correct
32	Correct	141 ms	13100 KB	Output is correct
33	Correct	139 ms	12992 KB	Output is correct
34	Correct	145 ms	11196 KB	Output is correct
35	Correct	149 ms	13116 KB	Output is correct
36	Correct	178 ms	16836 KB	Output is correct
37	Correct	150 ms	12796 KB	Output is correct
38	Correct	170 ms	15672 KB	Output is correct
39	Correct	102 ms	9488 KB	Output is correct
40	Correct	159 ms	11196 KB	Output is correct
41	Correct	191 ms	14528 KB	Output is correct
42	Correct	191 ms	16840 KB	Output is correct
43	Execution timed out	2041 ms	11180 KB	Time limit exceeded
44	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	472 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Runtime error	1 ms	604 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	472 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Runtime error	1 ms	604 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

답안 #1037447

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 0 / 8.0

Subtask #3 25.0 / 25.0

Subtask #4 0 / 10.0

Subtask #5 0 / 22.0

Subtask #6 0 / 29.0

Subtask #1
6.0 / 6.0

Subtask #2
0 / 8.0

Subtask #3
25.0 / 25.0

Subtask #4
0 / 10.0

Subtask #5
0 / 22.0

Subtask #6
0 / 29.0