답안 #257444

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
257444	2020-08-04T09:22:41 Z	easrui	Joker (BOI20_joker)	C++14	100 / 100	609 ms	16544 KB

Joker

#include <bits/stdc++.h>
#define va first
#define vb second
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef pair<int,int> pii;

const int MN = 2e5+5;

int N,M,Q,pos;
int par[MN<<1],sz[MN<<1],ans[MN];
pii E[MN];

vector<pii> qu;
vector<int> cnt;

int fnd(int u)
{
	return u==par[u] ? u : fnd(par[u]);
}

void join(int u, int v)
{
	u = fnd(u), v = fnd(v);
	if(u==v) u = v = 0;
	if(sz[u]>sz[v]) swap(u,v);
	qu.push_back({u,v});
	par[u] = v;
	sz[v] += sz[u];

}

void upt(int x)
{
	if(x>M){
		join(0,0);
		join(0,0);
		cnt.push_back(0);
		return;
	}
	if(!x){
		for(int i=0; i<2; i++){
			pii q = qu.back();
			sz[q.vb] -= sz[q.va];
			par[q.va] = q.va;
			qu.pop_back();
		}
		pos -= cnt.back();
		cnt.pop_back();
	}
	else{
		join(E[x].va,E[x].vb+N);
		join(E[x].va+N,E[x].vb);
		if(fnd(E[x].va)==fnd(E[x].va+N)){
			pos++;
			cnt.push_back(1);
		}
		else cnt.push_back(0);
	}
}

void solve(int s, int e, int x, int y)
{
	if(s>e) return;
	int m = (s+e)/2;
	int z = y;
	for(int i=s; i<m; i++) upt(i);
	while(1){
		upt(z);
		if(pos||z==m){
			ans[m] = z;
			break;
		}
		z--;
	}
	for(int i=z; i<=y; i++) upt(0);
	for(int i=s; i<m; i++) upt(0);

	for(int i=z+1; i<=y; i++) upt(i);	
	solve(s,m-1,x,z);
	for(int i=z+1; i<=y; i++) upt(0);	

	for(int i=s; i<=m; i++) upt(i);
	solve(m+1,e,max(m+1,z),y);
	for(int i=s; i<=m; i++) upt(0);
}

int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> N >> M >> Q;

    for(int i=1; i<=M; i++) cin >> E[i].va >> E[i].vb;

    for(int i=1; i<=2*N; i++){
    	par[i] = i;
    	sz[i] = 1;
    }
    solve(1,M,1,M+1);

    while(Q--){
    	int l,r;
    	cin >> l >> r;
    	cout << (r<ans[l] ? "YES\n" : "NO\n");
    }
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	3 ms	512 KB	Output is correct
35	Correct	3 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct
37	Correct	3 ms	512 KB	Output is correct
38	Correct	3 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	3 ms	512 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	512 KB	Output is correct
43	Correct	3 ms	512 KB	Output is correct
44	Correct	3 ms	512 KB	Output is correct
45	Correct	3 ms	512 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	512 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	3 ms	512 KB	Output is correct
50	Correct	3 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct
52	Correct	3 ms	512 KB	Output is correct
53	Correct	4 ms	512 KB	Output is correct
54	Correct	3 ms	512 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	369 ms	9888 KB	Output is correct
4	Correct	479 ms	11428 KB	Output is correct
5	Correct	313 ms	11124 KB	Output is correct
6	Correct	426 ms	9896 KB	Output is correct
7	Correct	431 ms	10016 KB	Output is correct
8	Correct	442 ms	9504 KB	Output is correct
9	Correct	502 ms	10016 KB	Output is correct
10	Correct	569 ms	11680 KB	Output is correct
11	Correct	419 ms	10016 KB	Output is correct
12	Correct	466 ms	11168 KB	Output is correct
13	Correct	424 ms	8740 KB	Output is correct
14	Correct	464 ms	9248 KB	Output is correct
15	Correct	579 ms	10528 KB	Output is correct
16	Correct	572 ms	11440 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	369 ms	9888 KB	Output is correct
30	Correct	479 ms	11428 KB	Output is correct
31	Correct	313 ms	11124 KB	Output is correct
32	Correct	426 ms	9896 KB	Output is correct
33	Correct	431 ms	10016 KB	Output is correct
34	Correct	442 ms	9504 KB	Output is correct
35	Correct	502 ms	10016 KB	Output is correct
36	Correct	569 ms	11680 KB	Output is correct
37	Correct	419 ms	10016 KB	Output is correct
38	Correct	466 ms	11168 KB	Output is correct
39	Correct	424 ms	8740 KB	Output is correct
40	Correct	464 ms	9248 KB	Output is correct
41	Correct	579 ms	10528 KB	Output is correct
42	Correct	572 ms	11440 KB	Output is correct
43	Correct	364 ms	9888 KB	Output is correct
44	Correct	498 ms	11472 KB	Output is correct
45	Correct	461 ms	11660 KB	Output is correct
46	Correct	397 ms	9948 KB	Output is correct
47	Correct	451 ms	9976 KB	Output is correct
48	Correct	544 ms	10108 KB	Output is correct
49	Correct	609 ms	11556 KB	Output is correct
50	Correct	428 ms	9576 KB	Output is correct
51	Correct	453 ms	10664 KB	Output is correct
52	Correct	466 ms	11560 KB	Output is correct
53	Correct	446 ms	8608 KB	Output is correct
54	Correct	536 ms	9636 KB	Output is correct
55	Correct	573 ms	10528 KB	Output is correct
56	Correct	577 ms	11424 KB	Output is correct

Subtask #5
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	3 ms	512 KB	Output is correct
35	Correct	3 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct
37	Correct	3 ms	512 KB	Output is correct
38	Correct	3 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	3 ms	512 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	512 KB	Output is correct
43	Correct	3 ms	512 KB	Output is correct
44	Correct	3 ms	512 KB	Output is correct
45	Correct	3 ms	512 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	512 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	3 ms	512 KB	Output is correct
50	Correct	3 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct
52	Correct	3 ms	512 KB	Output is correct
53	Correct	4 ms	512 KB	Output is correct
54	Correct	3 ms	512 KB	Output is correct
55	Correct	324 ms	9248 KB	Output is correct
56	Correct	432 ms	13368 KB	Output is correct
57	Correct	253 ms	12964 KB	Output is correct
58	Correct	370 ms	11668 KB	Output is correct
59	Correct	514 ms	11552 KB	Output is correct
60	Correct	570 ms	12576 KB	Output is correct
61	Correct	408 ms	11680 KB	Output is correct
62	Correct	418 ms	12960 KB	Output is correct
63	Correct	393 ms	10528 KB	Output is correct
64	Correct	523 ms	12064 KB	Output is correct
65	Correct	565 ms	13088 KB	Output is correct

Subtask #6
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	2 ms	384 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	3 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	3 ms	512 KB	Output is correct
35	Correct	3 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct
37	Correct	3 ms	512 KB	Output is correct
38	Correct	3 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	3 ms	512 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	512 KB	Output is correct
43	Correct	3 ms	512 KB	Output is correct
44	Correct	3 ms	512 KB	Output is correct
45	Correct	3 ms	512 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	512 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	3 ms	512 KB	Output is correct
50	Correct	3 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct
52	Correct	3 ms	512 KB	Output is correct
53	Correct	4 ms	512 KB	Output is correct
54	Correct	3 ms	512 KB	Output is correct
55	Correct	369 ms	9888 KB	Output is correct
56	Correct	479 ms	11428 KB	Output is correct
57	Correct	313 ms	11124 KB	Output is correct
58	Correct	426 ms	9896 KB	Output is correct
59	Correct	431 ms	10016 KB	Output is correct
60	Correct	442 ms	9504 KB	Output is correct
61	Correct	502 ms	10016 KB	Output is correct
62	Correct	569 ms	11680 KB	Output is correct
63	Correct	419 ms	10016 KB	Output is correct
64	Correct	466 ms	11168 KB	Output is correct
65	Correct	424 ms	8740 KB	Output is correct
66	Correct	464 ms	9248 KB	Output is correct
67	Correct	579 ms	10528 KB	Output is correct
68	Correct	572 ms	11440 KB	Output is correct
69	Correct	364 ms	9888 KB	Output is correct
70	Correct	498 ms	11472 KB	Output is correct
71	Correct	461 ms	11660 KB	Output is correct
72	Correct	397 ms	9948 KB	Output is correct
73	Correct	451 ms	9976 KB	Output is correct
74	Correct	544 ms	10108 KB	Output is correct
75	Correct	609 ms	11556 KB	Output is correct
76	Correct	428 ms	9576 KB	Output is correct
77	Correct	453 ms	10664 KB	Output is correct
78	Correct	466 ms	11560 KB	Output is correct
79	Correct	446 ms	8608 KB	Output is correct
80	Correct	536 ms	9636 KB	Output is correct
81	Correct	573 ms	10528 KB	Output is correct
82	Correct	577 ms	11424 KB	Output is correct
83	Correct	324 ms	9248 KB	Output is correct
84	Correct	432 ms	13368 KB	Output is correct
85	Correct	253 ms	12964 KB	Output is correct
86	Correct	370 ms	11668 KB	Output is correct
87	Correct	514 ms	11552 KB	Output is correct
88	Correct	570 ms	12576 KB	Output is correct
89	Correct	408 ms	11680 KB	Output is correct
90	Correct	418 ms	12960 KB	Output is correct
91	Correct	393 ms	10528 KB	Output is correct
92	Correct	523 ms	12064 KB	Output is correct
93	Correct	565 ms	13088 KB	Output is correct
94	Correct	371 ms	14784 KB	Output is correct
95	Correct	397 ms	16544 KB	Output is correct
96	Correct	305 ms	11184 KB	Output is correct
97	Correct	415 ms	10144 KB	Output is correct
98	Correct	436 ms	10164 KB	Output is correct
99	Correct	519 ms	9536 KB	Output is correct
100	Correct	540 ms	11820 KB	Output is correct
101	Correct	415 ms	9724 KB	Output is correct
102	Correct	494 ms	10528 KB	Output is correct
103	Correct	559 ms	11516 KB	Output is correct
104	Correct	478 ms	9076 KB	Output is correct
105	Correct	578 ms	10328 KB	Output is correct
106	Correct	606 ms	11408 KB	Output is correct
107	Correct	267 ms	11420 KB	Output is correct
108	Correct	372 ms	9888 KB	Output is correct
109	Correct	366 ms	10016 KB	Output is correct
110	Correct	384 ms	10016 KB	Output is correct
111	Correct	373 ms	9888 KB	Output is correct
112	Correct	363 ms	9888 KB	Output is correct
113	Correct	380 ms	10140 KB	Output is correct
114	Correct	368 ms	10148 KB	Output is correct
115	Correct	361 ms	9888 KB	Output is correct
116	Correct	372 ms	9852 KB	Output is correct

답안 #257444

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 8.0 / 8.0

Subtask #3 25.0 / 25.0

Subtask #4 10.0 / 10.0

Subtask #5 22.0 / 22.0

Subtask #6 29.0 / 29.0

Subtask #1
6.0 / 6.0

Subtask #2
8.0 / 8.0

Subtask #3
25.0 / 25.0

Subtask #4
10.0 / 10.0

Subtask #5
22.0 / 22.0

Subtask #6
29.0 / 29.0