답안 #926465

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
926465	2024-02-13T04:46:13 Z	vjudge1	Joker (BOI20_joker)	C++17	14 / 100	136 ms	125784 KB

Joker

#include <bits/stdc++.h>

using namespace std;

#define all(a) a.begin(),a.end()
#define pb push_back
#define vt vector
#define endl '\n'
typedef long long ll;

const ll mod=1e9+7;
const ll inf=mod;
const int N=5e6+4;

string ans;
int n,m,q,u[N],v[N],used[N];
vt<int>g[N];

void dfs(int v,int val=1){
	used[v]=val;
//	cout<<v<<' '<<used[v]<<endl;
	for(int to:g[v]) {	
		if(!used[to]) dfs(to,3-val);
		if(used[to]==used[v]){
			ans="YES";
		}
	}
}

void solve(){
	cin>>n>>m>>q;
	for(int i=1; i<=m; ++i){
		cin>>u[i]>>v[i];
	}
	if(max({n,m,q})<=2000){
		while(q--){
			int l,r;
			cin>>l>>r;
			for(int i=1; i<l; ++i){
				g[u[i]].pb(v[i]);
				g[v[i]].pb(u[i]);
			}
			for(int i=r+1; i<=m; ++i){
				g[u[i]].pb(v[i]);
				g[v[i]].pb(u[i]);
			}
			ans="NO";
			for(int i=1; i<=n; ++i) if(!used[i]) dfs(i);
			cout<<ans<<endl;
			for(int i=1; i<l; ++i){
				g[u[i]].clear();
				g[v[i]].clear();
			}
			for(int i=r+1; i<=m; ++i){
				g[u[i]].clear();
				g[v[i]].clear();
			}
			for(int i=1; i<=n; ++i) used[i]=0;
		}
	}
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int tt=1;
//	cin>>tt;
	while(tt--) {
		solve();
	}
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Correct	25 ms	123740 KB	Output is correct
4	Correct	26 ms	123560 KB	Output is correct
5	Correct	26 ms	123624 KB	Output is correct
6	Correct	26 ms	123740 KB	Output is correct
7	Correct	26 ms	123736 KB	Output is correct
8	Correct	27 ms	123736 KB	Output is correct
9	Correct	27 ms	123740 KB	Output is correct
10	Correct	27 ms	123736 KB	Output is correct
11	Correct	27 ms	123740 KB	Output is correct
12	Correct	26 ms	123736 KB	Output is correct
13	Correct	26 ms	123740 KB	Output is correct
14	Correct	27 ms	123740 KB	Output is correct
15	Correct	26 ms	123736 KB	Output is correct
16	Correct	26 ms	123740 KB	Output is correct
17	Correct	27 ms	123740 KB	Output is correct
18	Correct	26 ms	123772 KB	Output is correct
19	Correct	26 ms	123740 KB	Output is correct
20	Correct	27 ms	123584 KB	Output is correct
21	Correct	27 ms	123696 KB	Output is correct
22	Correct	27 ms	123736 KB	Output is correct
23	Correct	26 ms	123736 KB	Output is correct
24	Correct	27 ms	123740 KB	Output is correct
25	Correct	27 ms	123740 KB	Output is correct
26	Correct	28 ms	123940 KB	Output is correct
27	Correct	27 ms	123740 KB	Output is correct
28	Correct	33 ms	123736 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Correct	25 ms	123740 KB	Output is correct
4	Correct	26 ms	123560 KB	Output is correct
5	Correct	26 ms	123624 KB	Output is correct
6	Correct	26 ms	123740 KB	Output is correct
7	Correct	26 ms	123736 KB	Output is correct
8	Correct	27 ms	123736 KB	Output is correct
9	Correct	27 ms	123740 KB	Output is correct
10	Correct	27 ms	123736 KB	Output is correct
11	Correct	27 ms	123740 KB	Output is correct
12	Correct	26 ms	123736 KB	Output is correct
13	Correct	26 ms	123740 KB	Output is correct
14	Correct	27 ms	123740 KB	Output is correct
15	Correct	26 ms	123736 KB	Output is correct
16	Correct	26 ms	123740 KB	Output is correct
17	Correct	27 ms	123740 KB	Output is correct
18	Correct	26 ms	123772 KB	Output is correct
19	Correct	26 ms	123740 KB	Output is correct
20	Correct	27 ms	123584 KB	Output is correct
21	Correct	27 ms	123696 KB	Output is correct
22	Correct	27 ms	123736 KB	Output is correct
23	Correct	26 ms	123736 KB	Output is correct
24	Correct	27 ms	123740 KB	Output is correct
25	Correct	27 ms	123740 KB	Output is correct
26	Correct	28 ms	123940 KB	Output is correct
27	Correct	27 ms	123740 KB	Output is correct
28	Correct	33 ms	123736 KB	Output is correct
29	Correct	72 ms	123800 KB	Output is correct
30	Correct	117 ms	123828 KB	Output is correct
31	Correct	116 ms	123740 KB	Output is correct
32	Correct	101 ms	123728 KB	Output is correct
33	Correct	92 ms	123736 KB	Output is correct
34	Correct	121 ms	123732 KB	Output is correct
35	Correct	126 ms	123736 KB	Output is correct
36	Correct	70 ms	123740 KB	Output is correct
37	Correct	98 ms	123736 KB	Output is correct
38	Correct	93 ms	123996 KB	Output is correct
39	Correct	93 ms	123828 KB	Output is correct
40	Correct	95 ms	123740 KB	Output is correct
41	Correct	96 ms	123740 KB	Output is correct
42	Correct	94 ms	123832 KB	Output is correct
43	Correct	117 ms	123988 KB	Output is correct
44	Correct	127 ms	123740 KB	Output is correct
45	Correct	134 ms	123824 KB	Output is correct
46	Correct	136 ms	123832 KB	Output is correct
47	Correct	98 ms	123740 KB	Output is correct
48	Correct	99 ms	123740 KB	Output is correct
49	Correct	108 ms	123816 KB	Output is correct
50	Correct	120 ms	123736 KB	Output is correct
51	Correct	96 ms	123984 KB	Output is correct
52	Correct	101 ms	124012 KB	Output is correct
53	Correct	111 ms	123836 KB	Output is correct
54	Correct	124 ms	123836 KB	Output is correct

Subtask #3
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Incorrect	47 ms	125780 KB	Output isn't correct
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Correct	25 ms	123740 KB	Output is correct
4	Correct	26 ms	123560 KB	Output is correct
5	Correct	26 ms	123624 KB	Output is correct
6	Correct	26 ms	123740 KB	Output is correct
7	Correct	26 ms	123736 KB	Output is correct
8	Correct	27 ms	123736 KB	Output is correct
9	Correct	27 ms	123740 KB	Output is correct
10	Correct	27 ms	123736 KB	Output is correct
11	Correct	27 ms	123740 KB	Output is correct
12	Correct	26 ms	123736 KB	Output is correct
13	Correct	26 ms	123740 KB	Output is correct
14	Correct	27 ms	123740 KB	Output is correct
15	Correct	26 ms	123736 KB	Output is correct
16	Correct	26 ms	123740 KB	Output is correct
17	Correct	27 ms	123740 KB	Output is correct
18	Correct	26 ms	123772 KB	Output is correct
19	Correct	26 ms	123740 KB	Output is correct
20	Correct	27 ms	123584 KB	Output is correct
21	Correct	27 ms	123696 KB	Output is correct
22	Correct	27 ms	123736 KB	Output is correct
23	Correct	26 ms	123736 KB	Output is correct
24	Correct	27 ms	123740 KB	Output is correct
25	Correct	27 ms	123740 KB	Output is correct
26	Correct	28 ms	123940 KB	Output is correct
27	Correct	27 ms	123740 KB	Output is correct
28	Correct	33 ms	123736 KB	Output is correct
29	Incorrect	47 ms	125780 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Correct	25 ms	123740 KB	Output is correct
4	Correct	26 ms	123560 KB	Output is correct
5	Correct	26 ms	123624 KB	Output is correct
6	Correct	26 ms	123740 KB	Output is correct
7	Correct	26 ms	123736 KB	Output is correct
8	Correct	27 ms	123736 KB	Output is correct
9	Correct	27 ms	123740 KB	Output is correct
10	Correct	27 ms	123736 KB	Output is correct
11	Correct	27 ms	123740 KB	Output is correct
12	Correct	26 ms	123736 KB	Output is correct
13	Correct	26 ms	123740 KB	Output is correct
14	Correct	27 ms	123740 KB	Output is correct
15	Correct	26 ms	123736 KB	Output is correct
16	Correct	26 ms	123740 KB	Output is correct
17	Correct	27 ms	123740 KB	Output is correct
18	Correct	26 ms	123772 KB	Output is correct
19	Correct	26 ms	123740 KB	Output is correct
20	Correct	27 ms	123584 KB	Output is correct
21	Correct	27 ms	123696 KB	Output is correct
22	Correct	27 ms	123736 KB	Output is correct
23	Correct	26 ms	123736 KB	Output is correct
24	Correct	27 ms	123740 KB	Output is correct
25	Correct	27 ms	123740 KB	Output is correct
26	Correct	28 ms	123940 KB	Output is correct
27	Correct	27 ms	123740 KB	Output is correct
28	Correct	33 ms	123736 KB	Output is correct
29	Correct	72 ms	123800 KB	Output is correct
30	Correct	117 ms	123828 KB	Output is correct
31	Correct	116 ms	123740 KB	Output is correct
32	Correct	101 ms	123728 KB	Output is correct
33	Correct	92 ms	123736 KB	Output is correct
34	Correct	121 ms	123732 KB	Output is correct
35	Correct	126 ms	123736 KB	Output is correct
36	Correct	70 ms	123740 KB	Output is correct
37	Correct	98 ms	123736 KB	Output is correct
38	Correct	93 ms	123996 KB	Output is correct
39	Correct	93 ms	123828 KB	Output is correct
40	Correct	95 ms	123740 KB	Output is correct
41	Correct	96 ms	123740 KB	Output is correct
42	Correct	94 ms	123832 KB	Output is correct
43	Correct	117 ms	123988 KB	Output is correct
44	Correct	127 ms	123740 KB	Output is correct
45	Correct	134 ms	123824 KB	Output is correct
46	Correct	136 ms	123832 KB	Output is correct
47	Correct	98 ms	123740 KB	Output is correct
48	Correct	99 ms	123740 KB	Output is correct
49	Correct	108 ms	123816 KB	Output is correct
50	Correct	120 ms	123736 KB	Output is correct
51	Correct	96 ms	123984 KB	Output is correct
52	Correct	101 ms	124012 KB	Output is correct
53	Correct	111 ms	123836 KB	Output is correct
54	Correct	124 ms	123836 KB	Output is correct
55	Incorrect	47 ms	125784 KB	Output isn't correct
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	123740 KB	Output is correct
2	Correct	26 ms	123740 KB	Output is correct
3	Correct	25 ms	123740 KB	Output is correct
4	Correct	26 ms	123560 KB	Output is correct
5	Correct	26 ms	123624 KB	Output is correct
6	Correct	26 ms	123740 KB	Output is correct
7	Correct	26 ms	123736 KB	Output is correct
8	Correct	27 ms	123736 KB	Output is correct
9	Correct	27 ms	123740 KB	Output is correct
10	Correct	27 ms	123736 KB	Output is correct
11	Correct	27 ms	123740 KB	Output is correct
12	Correct	26 ms	123736 KB	Output is correct
13	Correct	26 ms	123740 KB	Output is correct
14	Correct	27 ms	123740 KB	Output is correct
15	Correct	26 ms	123736 KB	Output is correct
16	Correct	26 ms	123740 KB	Output is correct
17	Correct	27 ms	123740 KB	Output is correct
18	Correct	26 ms	123772 KB	Output is correct
19	Correct	26 ms	123740 KB	Output is correct
20	Correct	27 ms	123584 KB	Output is correct
21	Correct	27 ms	123696 KB	Output is correct
22	Correct	27 ms	123736 KB	Output is correct
23	Correct	26 ms	123736 KB	Output is correct
24	Correct	27 ms	123740 KB	Output is correct
25	Correct	27 ms	123740 KB	Output is correct
26	Correct	28 ms	123940 KB	Output is correct
27	Correct	27 ms	123740 KB	Output is correct
28	Correct	33 ms	123736 KB	Output is correct
29	Correct	72 ms	123800 KB	Output is correct
30	Correct	117 ms	123828 KB	Output is correct
31	Correct	116 ms	123740 KB	Output is correct
32	Correct	101 ms	123728 KB	Output is correct
33	Correct	92 ms	123736 KB	Output is correct
34	Correct	121 ms	123732 KB	Output is correct
35	Correct	126 ms	123736 KB	Output is correct
36	Correct	70 ms	123740 KB	Output is correct
37	Correct	98 ms	123736 KB	Output is correct
38	Correct	93 ms	123996 KB	Output is correct
39	Correct	93 ms	123828 KB	Output is correct
40	Correct	95 ms	123740 KB	Output is correct
41	Correct	96 ms	123740 KB	Output is correct
42	Correct	94 ms	123832 KB	Output is correct
43	Correct	117 ms	123988 KB	Output is correct
44	Correct	127 ms	123740 KB	Output is correct
45	Correct	134 ms	123824 KB	Output is correct
46	Correct	136 ms	123832 KB	Output is correct
47	Correct	98 ms	123740 KB	Output is correct
48	Correct	99 ms	123740 KB	Output is correct
49	Correct	108 ms	123816 KB	Output is correct
50	Correct	120 ms	123736 KB	Output is correct
51	Correct	96 ms	123984 KB	Output is correct
52	Correct	101 ms	124012 KB	Output is correct
53	Correct	111 ms	123836 KB	Output is correct
54	Correct	124 ms	123836 KB	Output is correct
55	Incorrect	47 ms	125780 KB	Output isn't correct
56	Halted	0 ms	0 KB	-

답안 #926465

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 8.0 / 8.0

Subtask #3 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
8.0 / 8.0

Subtask #3
0 / 25.0

Subtask #4
0 / 10.0

Subtask #5
0 / 22.0

Subtask #6
0 / 29.0