답안 #127342

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
127342	2019-07-09T08:54:02 Z	baluteshih	Port Facility (JOI17_port_facility)	C++14	100 / 100	1449 ms	146248 KB

port_facility

#include <bits/stdc++.h>
#include<ext/pb_ds/priority_queue.hpp>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define MP make_pair
#define F first
#define S second
#define MEM(i,j) memset(i,j,sizeof i)
#define ALL(v) v.begin(),v.end()
#define ET cout << "\n"
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

const ll MOD=1e9+7;
__gnu_pbds::priority_queue<pii,greater<pii>,pairing_heap_tag> pq[1000005];
map<int,int> mp;
pii seg[1000005];
int boss[2000005];
bitset<2000005> vis;

int finds(int x)
{
	if(boss[x]==x) return x;
	return boss[x]=finds(boss[x]); 
}

void Union(int a,int b)
{
	a=finds(a),b=finds(b);
	boss[a]=b;
}

void merge(int a,int b,int t)
{
	if(t==0)
		Union(a<<1,b<<1),Union(a<<1|1,b<<1|1);
	else
		Union(a<<1,b<<1|1),Union(a<<1|1,b<<1);
}

int main()
{jizz
	int n,flag=1,ans=1,cnt=0,tp=0;
	cin >> n;
	for(int i=0;i<n;++i)
		cin >> seg[i].F >> seg[i].S,boss[i<<1]=i<<1,boss[i<<1|1]=i<<1|1;
	sort(seg,seg+n);
	for(int i=0;i<n&&flag;++i)
	{
		while(!mp.empty()&&mp.begin()->F<seg[i].F)
		{
			int t=mp.begin()->S;
			mp.erase(mp.begin()),pq[t].pop();
			if(!pq[t].empty())
				mp.insert(MP(pq[t].top().F,t));
		}
		int beg=-1;
		while(!mp.empty()&&mp.begin()->F<seg[i].S)
		{
			if(!~beg) beg=mp.begin()->S;
			else merge(pq[beg].top().S,pq[mp.begin()->S].top().S,0),pq[beg].join(pq[mp.begin()->S]);
			mp.erase(mp.begin());
		}
		if(~beg)
			merge(i,pq[beg].top().S,1),mp.insert(MP(pq[beg].top().F,beg));
		pq[tp].push(MP(seg[i].S,i)),mp.insert(MP(seg[i].S,tp)),++tp;
	}
	for(int i=0;i<n&&flag;++i)
		if(finds(i<<1)==finds(i<<1|1))
			flag=0;
		else
		{
			if(!vis[finds(i<<1)]) ++cnt,vis[finds(i<<1)]=1;
			if(!vis[finds(i<<1|1)]) ++cnt,vis[finds(i<<1|1)]=1;
		}	
	cnt/=2;
	for(int i=0;i<cnt;++i)
		ans=ans*2%MOD;
	if(flag) cout << ans << "\n";
	else cout << "0\n";
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	23800 KB	Output is correct
2	Correct	25 ms	23800 KB	Output is correct
3	Correct	25 ms	23804 KB	Output is correct
4	Correct	25 ms	23800 KB	Output is correct
5	Correct	25 ms	23880 KB	Output is correct
6	Correct	24 ms	23928 KB	Output is correct
7	Correct	25 ms	23800 KB	Output is correct
8	Correct	26 ms	23800 KB	Output is correct
9	Correct	25 ms	23928 KB	Output is correct
10	Correct	25 ms	23800 KB	Output is correct
11	Correct	25 ms	23860 KB	Output is correct
12	Correct	25 ms	23800 KB	Output is correct
13	Correct	26 ms	23980 KB	Output is correct
14	Correct	26 ms	23784 KB	Output is correct
15	Correct	25 ms	23800 KB	Output is correct
16	Correct	25 ms	23800 KB	Output is correct
17	Correct	26 ms	23800 KB	Output is correct
18	Correct	25 ms	23928 KB	Output is correct
19	Correct	25 ms	23772 KB	Output is correct
20	Correct	25 ms	23800 KB	Output is correct
21	Correct	25 ms	23804 KB	Output is correct
22	Correct	26 ms	23808 KB	Output is correct
23	Correct	25 ms	23800 KB	Output is correct
24	Correct	30 ms	23800 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	23800 KB	Output is correct
2	Correct	25 ms	23800 KB	Output is correct
3	Correct	25 ms	23804 KB	Output is correct
4	Correct	25 ms	23800 KB	Output is correct
5	Correct	25 ms	23880 KB	Output is correct
6	Correct	24 ms	23928 KB	Output is correct
7	Correct	25 ms	23800 KB	Output is correct
8	Correct	26 ms	23800 KB	Output is correct
9	Correct	25 ms	23928 KB	Output is correct
10	Correct	25 ms	23800 KB	Output is correct
11	Correct	25 ms	23860 KB	Output is correct
12	Correct	25 ms	23800 KB	Output is correct
13	Correct	26 ms	23980 KB	Output is correct
14	Correct	26 ms	23784 KB	Output is correct
15	Correct	25 ms	23800 KB	Output is correct
16	Correct	25 ms	23800 KB	Output is correct
17	Correct	26 ms	23800 KB	Output is correct
18	Correct	25 ms	23928 KB	Output is correct
19	Correct	25 ms	23772 KB	Output is correct
20	Correct	25 ms	23800 KB	Output is correct
21	Correct	25 ms	23804 KB	Output is correct
22	Correct	26 ms	23808 KB	Output is correct
23	Correct	25 ms	23800 KB	Output is correct
24	Correct	30 ms	23800 KB	Output is correct
25	Correct	27 ms	23928 KB	Output is correct
26	Correct	26 ms	23928 KB	Output is correct
27	Correct	31 ms	23928 KB	Output is correct
28	Correct	27 ms	23956 KB	Output is correct
29	Correct	26 ms	23928 KB	Output is correct
30	Correct	32 ms	23928 KB	Output is correct
31	Correct	28 ms	24056 KB	Output is correct
32	Correct	27 ms	23928 KB	Output is correct
33	Correct	26 ms	23928 KB	Output is correct
34	Correct	29 ms	23928 KB	Output is correct
35	Correct	26 ms	23928 KB	Output is correct
36	Correct	26 ms	24056 KB	Output is correct
37	Correct	26 ms	23928 KB	Output is correct
38	Correct	26 ms	24056 KB	Output is correct
39	Correct	27 ms	23928 KB	Output is correct
40	Correct	26 ms	23928 KB	Output is correct
41	Correct	26 ms	24184 KB	Output is correct
42	Correct	26 ms	24056 KB	Output is correct
43	Correct	26 ms	23932 KB	Output is correct
44	Correct	26 ms	23928 KB	Output is correct

Subtask #3
56.0 / 56.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	23800 KB	Output is correct
2	Correct	25 ms	23800 KB	Output is correct
3	Correct	25 ms	23804 KB	Output is correct
4	Correct	25 ms	23800 KB	Output is correct
5	Correct	25 ms	23880 KB	Output is correct
6	Correct	24 ms	23928 KB	Output is correct
7	Correct	25 ms	23800 KB	Output is correct
8	Correct	26 ms	23800 KB	Output is correct
9	Correct	25 ms	23928 KB	Output is correct
10	Correct	25 ms	23800 KB	Output is correct
11	Correct	25 ms	23860 KB	Output is correct
12	Correct	25 ms	23800 KB	Output is correct
13	Correct	26 ms	23980 KB	Output is correct
14	Correct	26 ms	23784 KB	Output is correct
15	Correct	25 ms	23800 KB	Output is correct
16	Correct	25 ms	23800 KB	Output is correct
17	Correct	26 ms	23800 KB	Output is correct
18	Correct	25 ms	23928 KB	Output is correct
19	Correct	25 ms	23772 KB	Output is correct
20	Correct	25 ms	23800 KB	Output is correct
21	Correct	25 ms	23804 KB	Output is correct
22	Correct	26 ms	23808 KB	Output is correct
23	Correct	25 ms	23800 KB	Output is correct
24	Correct	30 ms	23800 KB	Output is correct
25	Correct	27 ms	23928 KB	Output is correct
26	Correct	26 ms	23928 KB	Output is correct
27	Correct	31 ms	23928 KB	Output is correct
28	Correct	27 ms	23956 KB	Output is correct
29	Correct	26 ms	23928 KB	Output is correct
30	Correct	32 ms	23928 KB	Output is correct
31	Correct	28 ms	24056 KB	Output is correct
32	Correct	27 ms	23928 KB	Output is correct
33	Correct	26 ms	23928 KB	Output is correct
34	Correct	29 ms	23928 KB	Output is correct
35	Correct	26 ms	23928 KB	Output is correct
36	Correct	26 ms	24056 KB	Output is correct
37	Correct	26 ms	23928 KB	Output is correct
38	Correct	26 ms	24056 KB	Output is correct
39	Correct	27 ms	23928 KB	Output is correct
40	Correct	26 ms	23928 KB	Output is correct
41	Correct	26 ms	24184 KB	Output is correct
42	Correct	26 ms	24056 KB	Output is correct
43	Correct	26 ms	23932 KB	Output is correct
44	Correct	26 ms	23928 KB	Output is correct
45	Correct	97 ms	30276 KB	Output is correct
46	Correct	94 ms	30172 KB	Output is correct
47	Correct	94 ms	30300 KB	Output is correct
48	Correct	94 ms	30200 KB	Output is correct
49	Correct	95 ms	30328 KB	Output is correct
50	Correct	92 ms	30200 KB	Output is correct
51	Correct	93 ms	30200 KB	Output is correct
52	Correct	69 ms	26616 KB	Output is correct
53	Correct	96 ms	36088 KB	Output is correct
54	Correct	80 ms	31464 KB	Output is correct
55	Correct	83 ms	29200 KB	Output is correct
56	Correct	83 ms	29052 KB	Output is correct
57	Correct	72 ms	26744 KB	Output is correct
58	Correct	69 ms	26748 KB	Output is correct
59	Correct	83 ms	29816 KB	Output is correct
60	Correct	85 ms	29816 KB	Output is correct
61	Correct	90 ms	29468 KB	Output is correct
62	Correct	86 ms	29688 KB	Output is correct
63	Correct	86 ms	29048 KB	Output is correct
64	Correct	90 ms	29404 KB	Output is correct
65	Correct	119 ms	29076 KB	Output is correct
66	Correct	118 ms	29048 KB	Output is correct
67	Correct	102 ms	32120 KB	Output is correct
68	Correct	103 ms	32120 KB	Output is correct
69	Correct	100 ms	33500 KB	Output is correct
70	Correct	99 ms	33528 KB	Output is correct
71	Correct	108 ms	33784 KB	Output is correct
72	Correct	104 ms	33656 KB	Output is correct
73	Correct	111 ms	34424 KB	Output is correct
74	Correct	110 ms	34428 KB	Output is correct
75	Correct	75 ms	26744 KB	Output is correct
76	Correct	77 ms	26616 KB	Output is correct
77	Correct	77 ms	26876 KB	Output is correct
78	Correct	95 ms	30200 KB	Output is correct
79	Correct	92 ms	30200 KB	Output is correct

Subtask #4
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	23800 KB	Output is correct
2	Correct	25 ms	23800 KB	Output is correct
3	Correct	25 ms	23804 KB	Output is correct
4	Correct	25 ms	23800 KB	Output is correct
5	Correct	25 ms	23880 KB	Output is correct
6	Correct	24 ms	23928 KB	Output is correct
7	Correct	25 ms	23800 KB	Output is correct
8	Correct	26 ms	23800 KB	Output is correct
9	Correct	25 ms	23928 KB	Output is correct
10	Correct	25 ms	23800 KB	Output is correct
11	Correct	25 ms	23860 KB	Output is correct
12	Correct	25 ms	23800 KB	Output is correct
13	Correct	26 ms	23980 KB	Output is correct
14	Correct	26 ms	23784 KB	Output is correct
15	Correct	25 ms	23800 KB	Output is correct
16	Correct	25 ms	23800 KB	Output is correct
17	Correct	26 ms	23800 KB	Output is correct
18	Correct	25 ms	23928 KB	Output is correct
19	Correct	25 ms	23772 KB	Output is correct
20	Correct	25 ms	23800 KB	Output is correct
21	Correct	25 ms	23804 KB	Output is correct
22	Correct	26 ms	23808 KB	Output is correct
23	Correct	25 ms	23800 KB	Output is correct
24	Correct	30 ms	23800 KB	Output is correct
25	Correct	27 ms	23928 KB	Output is correct
26	Correct	26 ms	23928 KB	Output is correct
27	Correct	31 ms	23928 KB	Output is correct
28	Correct	27 ms	23956 KB	Output is correct
29	Correct	26 ms	23928 KB	Output is correct
30	Correct	32 ms	23928 KB	Output is correct
31	Correct	28 ms	24056 KB	Output is correct
32	Correct	27 ms	23928 KB	Output is correct
33	Correct	26 ms	23928 KB	Output is correct
34	Correct	29 ms	23928 KB	Output is correct
35	Correct	26 ms	23928 KB	Output is correct
36	Correct	26 ms	24056 KB	Output is correct
37	Correct	26 ms	23928 KB	Output is correct
38	Correct	26 ms	24056 KB	Output is correct
39	Correct	27 ms	23928 KB	Output is correct
40	Correct	26 ms	23928 KB	Output is correct
41	Correct	26 ms	24184 KB	Output is correct
42	Correct	26 ms	24056 KB	Output is correct
43	Correct	26 ms	23932 KB	Output is correct
44	Correct	26 ms	23928 KB	Output is correct
45	Correct	97 ms	30276 KB	Output is correct
46	Correct	94 ms	30172 KB	Output is correct
47	Correct	94 ms	30300 KB	Output is correct
48	Correct	94 ms	30200 KB	Output is correct
49	Correct	95 ms	30328 KB	Output is correct
50	Correct	92 ms	30200 KB	Output is correct
51	Correct	93 ms	30200 KB	Output is correct
52	Correct	69 ms	26616 KB	Output is correct
53	Correct	96 ms	36088 KB	Output is correct
54	Correct	80 ms	31464 KB	Output is correct
55	Correct	83 ms	29200 KB	Output is correct
56	Correct	83 ms	29052 KB	Output is correct
57	Correct	72 ms	26744 KB	Output is correct
58	Correct	69 ms	26748 KB	Output is correct
59	Correct	83 ms	29816 KB	Output is correct
60	Correct	85 ms	29816 KB	Output is correct
61	Correct	90 ms	29468 KB	Output is correct
62	Correct	86 ms	29688 KB	Output is correct
63	Correct	86 ms	29048 KB	Output is correct
64	Correct	90 ms	29404 KB	Output is correct
65	Correct	119 ms	29076 KB	Output is correct
66	Correct	118 ms	29048 KB	Output is correct
67	Correct	102 ms	32120 KB	Output is correct
68	Correct	103 ms	32120 KB	Output is correct
69	Correct	100 ms	33500 KB	Output is correct
70	Correct	99 ms	33528 KB	Output is correct
71	Correct	108 ms	33784 KB	Output is correct
72	Correct	104 ms	33656 KB	Output is correct
73	Correct	111 ms	34424 KB	Output is correct
74	Correct	110 ms	34428 KB	Output is correct
75	Correct	75 ms	26744 KB	Output is correct
76	Correct	77 ms	26616 KB	Output is correct
77	Correct	77 ms	26876 KB	Output is correct
78	Correct	95 ms	30200 KB	Output is correct
79	Correct	92 ms	30200 KB	Output is correct
80	Correct	769 ms	87648 KB	Output is correct
81	Correct	805 ms	87928 KB	Output is correct
82	Correct	764 ms	87928 KB	Output is correct
83	Correct	770 ms	87452 KB	Output is correct
84	Correct	847 ms	87820 KB	Output is correct
85	Correct	859 ms	85628 KB	Output is correct
86	Correct	845 ms	87740 KB	Output is correct
87	Correct	489 ms	52344 KB	Output is correct
88	Correct	1319 ms	146248 KB	Output is correct
89	Correct	599 ms	98992 KB	Output is correct
90	Correct	652 ms	75384 KB	Output is correct
91	Correct	655 ms	75344 KB	Output is correct
92	Correct	517 ms	51960 KB	Output is correct
93	Correct	491 ms	51960 KB	Output is correct
94	Correct	733 ms	83136 KB	Output is correct
95	Correct	838 ms	80240 KB	Output is correct
96	Correct	805 ms	76916 KB	Output is correct
97	Correct	771 ms	79156 KB	Output is correct
98	Correct	789 ms	76332 KB	Output is correct
99	Correct	851 ms	74656 KB	Output is correct
100	Correct	1430 ms	74776 KB	Output is correct
101	Correct	1449 ms	74772 KB	Output is correct
102	Correct	1209 ms	106000 KB	Output is correct
103	Correct	1026 ms	105828 KB	Output is correct
104	Correct	1095 ms	118884 KB	Output is correct
105	Correct	1000 ms	118848 KB	Output is correct
106	Correct	1112 ms	121132 KB	Output is correct
107	Correct	1082 ms	120868 KB	Output is correct
108	Correct	1197 ms	128588 KB	Output is correct
109	Correct	1142 ms	128776 KB	Output is correct
110	Correct	554 ms	50088 KB	Output is correct
111	Correct	561 ms	50040 KB	Output is correct
112	Correct	555 ms	50048 KB	Output is correct
113	Correct	779 ms	85760 KB	Output is correct
114	Correct	844 ms	85360 KB	Output is correct

답안 #127342

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 56.0 / 56.0

Subtask #4 22.0 / 22.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
56.0 / 56.0

Subtask #4
22.0 / 22.0