답안 #1037446

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1037446	2024-07-28T22:25:46 Z	wood	Joker (BOI20_joker)	C++17	31 / 100	2000 ms	20672 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(){
	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	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 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	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 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	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 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	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 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	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	600 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	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	186 ms	12768 KB	Output is correct
4	Correct	260 ms	20264 KB	Output is correct
5	Correct	208 ms	20420 KB	Output is correct
6	Correct	211 ms	16960 KB	Output is correct
7	Correct	249 ms	16832 KB	Output is correct
8	Correct	191 ms	14652 KB	Output is correct
9	Correct	221 ms	16316 KB	Output is correct
10	Correct	213 ms	20480 KB	Output is correct
11	Correct	221 ms	16648 KB	Output is correct
12	Correct	261 ms	19776 KB	Output is correct
13	Correct	181 ms	13244 KB	Output is correct
14	Correct	234 ms	15040 KB	Output is correct
15	Correct	311 ms	18444 KB	Output is correct
16	Correct	259 ms	20672 KB	Output is correct

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 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	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 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	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	186 ms	12768 KB	Output is correct
30	Correct	260 ms	20264 KB	Output is correct
31	Correct	208 ms	20420 KB	Output is correct
32	Correct	211 ms	16960 KB	Output is correct
33	Correct	249 ms	16832 KB	Output is correct
34	Correct	191 ms	14652 KB	Output is correct
35	Correct	221 ms	16316 KB	Output is correct
36	Correct	213 ms	20480 KB	Output is correct
37	Correct	221 ms	16648 KB	Output is correct
38	Correct	261 ms	19776 KB	Output is correct
39	Correct	181 ms	13244 KB	Output is correct
40	Correct	234 ms	15040 KB	Output is correct
41	Correct	311 ms	18444 KB	Output is correct
42	Correct	259 ms	20672 KB	Output is correct
43	Execution timed out	2069 ms	15444 KB	Time limit exceeded
44	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 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	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 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	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	600 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	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 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	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 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	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 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	600 KB	Execution killed with signal 11
30	Halted	0 ms	0 KB	-

답안 #1037446

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