Submission #233403

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
233403	2020-05-20T12:23:06 Z	priyansh5525	Strange Device (APIO19_strange_device)	C++17	100 / 100	623 ms	60016 KB

strange_device

#include<bits/stdc++.h>
	using namespace std;
	#define ll long long int
	#define pii pair<long long int,long long int>
	#define vi vector<long long int >
	#define vvi vector<vector< long long int>>
	#define MP make_pair
	#define PB push_back 
	#define pb pop_back
	#define PF push_front
	#define pf pop_front
	#define MOD 1000000007

	int main()
	{
		ios_base::sync_with_stdio(false);
		cin.tie(NULL);
		ll n,a,b;
		vector<pii> vec;
		cin>>n>>a>>b;
		for(ll i=0;i<n;i++)
		{
			ll x,y;
			cin>>x>>y;
			vec.PB(MP(x,y));
		}
		// solve equation t2 = x*fac+t1
		ll fac = a/__gcd(a,b+1);
		fac*=b;
		if(fac<=0)
			fac=1e18+1;
		ll ans=0;
		vector<pii> ve;
		for(ll i=0;i<n;i++)
		{
			ll x=vec[i].first,y=vec[i].second;
			if(y-x+1>=fac)
			{
				ans=fac;
				break;
			}
			if((x%fac)<=(y%fac))
			{
				ve.PB(MP(x%fac,y%fac));
			}
			else
			{
				ve.PB(MP(x%fac,fac-1));
				ve.PB(MP(0,y%fac));
			}
		}
		if(ans==0)
		{
		sort(ve.begin(),ve.end());
		ll k=ve.size();
		for(ll i=0;i<k;i++)
		{
			ll x=ve[i].first,y=ve[i].second;
			ll j=i+1;
			//cout<<x<<" "<<y<<endl;
			while(j<k && ve[j].first<=(y+1))
			{
				y=max(ve[j].second,y);
				//cout<<x<<" "<<y<<endl;
				j++;
			}
			ans+= (y-x+1);
			i=j-1;
		}
	 	}
	 	cout<<ans<<"\n";
		return 0;
	}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	10 ms	1280 KB	Output is correct
3	Correct	12 ms	1280 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	10 ms	1280 KB	Output is correct
17	Correct	61 ms	6012 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	6 ms	488 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	398 ms	41640 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	551 ms	41668 KB	Output is correct
3	Correct	545 ms	40820 KB	Output is correct
4	Correct	520 ms	40896 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	551 ms	41668 KB	Output is correct
3	Correct	545 ms	40820 KB	Output is correct
4	Correct	520 ms	40896 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	542 ms	40772 KB	Output is correct
7	Correct	529 ms	40768 KB	Output is correct
8	Correct	522 ms	40640 KB	Output is correct
9	Correct	568 ms	40768 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	551 ms	41668 KB	Output is correct
3	Correct	545 ms	40820 KB	Output is correct
4	Correct	520 ms	40896 KB	Output is correct
5	Correct	5 ms	512 KB	Output is correct
6	Correct	56 ms	5996 KB	Output is correct
7	Correct	61 ms	6024 KB	Output is correct
8	Correct	58 ms	5992 KB	Output is correct
9	Correct	58 ms	5996 KB	Output is correct
10	Correct	58 ms	5996 KB	Output is correct
11	Correct	57 ms	5996 KB	Output is correct
12	Correct	58 ms	5992 KB	Output is correct
13	Correct	58 ms	5996 KB	Output is correct
14	Correct	57 ms	5992 KB	Output is correct
15	Correct	61 ms	6104 KB	Output is correct
16	Correct	62 ms	5992 KB	Output is correct
17	Correct	57 ms	5996 KB	Output is correct
18	Correct	535 ms	40896 KB	Output is correct
19	Correct	524 ms	40684 KB	Output is correct
20	Correct	605 ms	40796 KB	Output is correct
21	Correct	62 ms	5868 KB	Output is correct
22	Correct	53 ms	5832 KB	Output is correct
23	Correct	179 ms	19028 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	63 ms	5868 KB	Output is correct
3	Correct	60 ms	5808 KB	Output is correct
4	Correct	603 ms	40744 KB	Output is correct
5	Correct	58 ms	5740 KB	Output is correct
6	Correct	62 ms	5740 KB	Output is correct
7	Correct	60 ms	5740 KB	Output is correct
8	Correct	61 ms	5740 KB	Output is correct
9	Correct	59 ms	5744 KB	Output is correct
10	Correct	61 ms	5740 KB	Output is correct
11	Correct	62 ms	5736 KB	Output is correct
12	Correct	55 ms	5736 KB	Output is correct
13	Correct	62 ms	5772 KB	Output is correct
14	Correct	582 ms	40896 KB	Output is correct
15	Correct	63 ms	5608 KB	Output is correct
16	Correct	523 ms	41280 KB	Output is correct
17	Correct	517 ms	40768 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	10 ms	1280 KB	Output is correct
3	Correct	12 ms	1280 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	4 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	10 ms	1280 KB	Output is correct
17	Correct	61 ms	6012 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	4 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	6 ms	488 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	398 ms	41640 KB	Output is correct
29	Correct	5 ms	384 KB	Output is correct
30	Correct	551 ms	41668 KB	Output is correct
31	Correct	545 ms	40820 KB	Output is correct
32	Correct	520 ms	40896 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	542 ms	40772 KB	Output is correct
35	Correct	529 ms	40768 KB	Output is correct
36	Correct	522 ms	40640 KB	Output is correct
37	Correct	568 ms	40768 KB	Output is correct
38	Correct	5 ms	512 KB	Output is correct
39	Correct	56 ms	5996 KB	Output is correct
40	Correct	61 ms	6024 KB	Output is correct
41	Correct	58 ms	5992 KB	Output is correct
42	Correct	58 ms	5996 KB	Output is correct
43	Correct	58 ms	5996 KB	Output is correct
44	Correct	57 ms	5996 KB	Output is correct
45	Correct	58 ms	5992 KB	Output is correct
46	Correct	58 ms	5996 KB	Output is correct
47	Correct	57 ms	5992 KB	Output is correct
48	Correct	61 ms	6104 KB	Output is correct
49	Correct	62 ms	5992 KB	Output is correct
50	Correct	57 ms	5996 KB	Output is correct
51	Correct	535 ms	40896 KB	Output is correct
52	Correct	524 ms	40684 KB	Output is correct
53	Correct	605 ms	40796 KB	Output is correct
54	Correct	62 ms	5868 KB	Output is correct
55	Correct	53 ms	5832 KB	Output is correct
56	Correct	179 ms	19028 KB	Output is correct
57	Correct	5 ms	384 KB	Output is correct
58	Correct	63 ms	5868 KB	Output is correct
59	Correct	60 ms	5808 KB	Output is correct
60	Correct	603 ms	40744 KB	Output is correct
61	Correct	58 ms	5740 KB	Output is correct
62	Correct	62 ms	5740 KB	Output is correct
63	Correct	60 ms	5740 KB	Output is correct
64	Correct	61 ms	5740 KB	Output is correct
65	Correct	59 ms	5744 KB	Output is correct
66	Correct	61 ms	5740 KB	Output is correct
67	Correct	62 ms	5736 KB	Output is correct
68	Correct	55 ms	5736 KB	Output is correct
69	Correct	62 ms	5772 KB	Output is correct
70	Correct	582 ms	40896 KB	Output is correct
71	Correct	63 ms	5608 KB	Output is correct
72	Correct	523 ms	41280 KB	Output is correct
73	Correct	517 ms	40768 KB	Output is correct
74	Correct	5 ms	384 KB	Output is correct
75	Correct	5 ms	384 KB	Output is correct
76	Correct	5 ms	384 KB	Output is correct
77	Correct	5 ms	384 KB	Output is correct
78	Correct	5 ms	384 KB	Output is correct
79	Correct	12 ms	1280 KB	Output is correct
80	Correct	601 ms	58816 KB	Output is correct
81	Correct	623 ms	59840 KB	Output is correct
82	Correct	594 ms	59920 KB	Output is correct
83	Correct	584 ms	59968 KB	Output is correct
84	Correct	593 ms	60016 KB	Output is correct
85	Correct	590 ms	59840 KB	Output is correct
86	Correct	177 ms	30548 KB	Output is correct
87	Correct	5 ms	384 KB	Output is correct

Submission #233403

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