Submission #206800

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
206800	2020-03-05T12:07:33 Z	rkm0959	Strange Device (APIO19_strange_device)	C++14	100 / 100	619 ms	23576 KB

strange_device

#include <bits/stdc++.h>
#define fio ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
typedef long long int ll;
typedef long double ldb;
ll gcd(ll x,ll y){if(!x||!y) return x+y; return x%y==0?y:gcd(y,x%y);}

ll n, A, B, inf=2e18, ans;
pair<ll, ll> wow[2111111];

int main(void)
{
	fio; ll i, j, u, v, cnt=0;
	cin>>n>>A>>B; ll g=gcd(A, B+1);
	__int128 cc=(A/g); cc=cc*B;
	for(i=1 ; i<=n ; i++)
	{
		cin>>u>>v;
		if(cc>=inf) { wow[++cnt]=make_pair(u, v); continue; }
		if(v-u+1>=cc) { cout<<(long long int)(cc); return 0; }
		u=(ll)(u%cc); v=(ll)(v%cc);
		if(u<=v) wow[++cnt]=make_pair(u, v);
		if(u>v)
		{
			wow[++cnt]=make_pair(u, (ll)cc-1LL);
			wow[++cnt]=make_pair(0LL, v);
		}
	}
	sort(wow+1, wow+cnt+1);
	for(i=1 ; i<=cnt ; i++)
	{
		j=i; ll rng=wow[i].second;
		while(j<=cnt && wow[j].first<=rng)
			{ rng=max(rng, wow[j].second); j++; }
		j--; ans+=(rng-wow[i].first+1); i=j;
	}
	cout<<ans; return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	10 ms	1016 KB	Output is correct
3	Correct	10 ms	888 KB	Output is correct
4	Correct	5 ms	504 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	380 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	10 ms	888 KB	Output is correct
17	Correct	62 ms	5624 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	380 ms	20088 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	517 ms	16376 KB	Output is correct
3	Correct	523 ms	16412 KB	Output is correct
4	Correct	504 ms	20216 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	517 ms	16376 KB	Output is correct
3	Correct	523 ms	16412 KB	Output is correct
4	Correct	504 ms	20216 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	519 ms	20060 KB	Output is correct
7	Correct	521 ms	20216 KB	Output is correct
8	Correct	499 ms	20084 KB	Output is correct
9	Correct	568 ms	20088 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	517 ms	16376 KB	Output is correct
3	Correct	523 ms	16412 KB	Output is correct
4	Correct	504 ms	20216 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	56 ms	5624 KB	Output is correct
7	Correct	58 ms	5596 KB	Output is correct
8	Correct	56 ms	5624 KB	Output is correct
9	Correct	56 ms	5624 KB	Output is correct
10	Correct	54 ms	5624 KB	Output is correct
11	Correct	56 ms	5624 KB	Output is correct
12	Correct	55 ms	5624 KB	Output is correct
13	Correct	60 ms	5624 KB	Output is correct
14	Correct	56 ms	5624 KB	Output is correct
15	Correct	70 ms	5624 KB	Output is correct
16	Correct	59 ms	5624 KB	Output is correct
17	Correct	58 ms	5628 KB	Output is correct
18	Correct	500 ms	19832 KB	Output is correct
19	Correct	509 ms	19448 KB	Output is correct
20	Correct	575 ms	19320 KB	Output is correct
21	Correct	61 ms	5240 KB	Output is correct
22	Correct	53 ms	4984 KB	Output is correct
23	Correct	162 ms	8568 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	59 ms	4088 KB	Output is correct
3	Correct	62 ms	3960 KB	Output is correct
4	Correct	613 ms	18080 KB	Output is correct
5	Correct	58 ms	3832 KB	Output is correct
6	Correct	61 ms	3832 KB	Output is correct
7	Correct	59 ms	3320 KB	Output is correct
8	Correct	60 ms	3268 KB	Output is correct
9	Correct	58 ms	3320 KB	Output is correct
10	Correct	58 ms	3192 KB	Output is correct
11	Correct	58 ms	3192 KB	Output is correct
12	Correct	57 ms	3320 KB	Output is correct
13	Correct	60 ms	3064 KB	Output is correct
14	Correct	561 ms	16888 KB	Output is correct
15	Correct	61 ms	2680 KB	Output is correct
16	Correct	506 ms	16692 KB	Output is correct
17	Correct	525 ms	16352 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	10 ms	1016 KB	Output is correct
3	Correct	10 ms	888 KB	Output is correct
4	Correct	5 ms	504 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	5 ms	380 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	10 ms	888 KB	Output is correct
17	Correct	62 ms	5624 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	6 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	5 ms	376 KB	Output is correct
28	Correct	380 ms	20088 KB	Output is correct
29	Correct	5 ms	376 KB	Output is correct
30	Correct	517 ms	16376 KB	Output is correct
31	Correct	523 ms	16412 KB	Output is correct
32	Correct	504 ms	20216 KB	Output is correct
33	Correct	5 ms	376 KB	Output is correct
34	Correct	519 ms	20060 KB	Output is correct
35	Correct	521 ms	20216 KB	Output is correct
36	Correct	499 ms	20084 KB	Output is correct
37	Correct	568 ms	20088 KB	Output is correct
38	Correct	5 ms	376 KB	Output is correct
39	Correct	56 ms	5624 KB	Output is correct
40	Correct	58 ms	5596 KB	Output is correct
41	Correct	56 ms	5624 KB	Output is correct
42	Correct	56 ms	5624 KB	Output is correct
43	Correct	54 ms	5624 KB	Output is correct
44	Correct	56 ms	5624 KB	Output is correct
45	Correct	55 ms	5624 KB	Output is correct
46	Correct	60 ms	5624 KB	Output is correct
47	Correct	56 ms	5624 KB	Output is correct
48	Correct	70 ms	5624 KB	Output is correct
49	Correct	59 ms	5624 KB	Output is correct
50	Correct	58 ms	5628 KB	Output is correct
51	Correct	500 ms	19832 KB	Output is correct
52	Correct	509 ms	19448 KB	Output is correct
53	Correct	575 ms	19320 KB	Output is correct
54	Correct	61 ms	5240 KB	Output is correct
55	Correct	53 ms	4984 KB	Output is correct
56	Correct	162 ms	8568 KB	Output is correct
57	Correct	5 ms	376 KB	Output is correct
58	Correct	59 ms	4088 KB	Output is correct
59	Correct	62 ms	3960 KB	Output is correct
60	Correct	613 ms	18080 KB	Output is correct
61	Correct	58 ms	3832 KB	Output is correct
62	Correct	61 ms	3832 KB	Output is correct
63	Correct	59 ms	3320 KB	Output is correct
64	Correct	60 ms	3268 KB	Output is correct
65	Correct	58 ms	3320 KB	Output is correct
66	Correct	58 ms	3192 KB	Output is correct
67	Correct	58 ms	3192 KB	Output is correct
68	Correct	57 ms	3320 KB	Output is correct
69	Correct	60 ms	3064 KB	Output is correct
70	Correct	561 ms	16888 KB	Output is correct
71	Correct	61 ms	2680 KB	Output is correct
72	Correct	506 ms	16692 KB	Output is correct
73	Correct	525 ms	16352 KB	Output is correct
74	Correct	5 ms	376 KB	Output is correct
75	Correct	5 ms	376 KB	Output is correct
76	Correct	5 ms	376 KB	Output is correct
77	Correct	5 ms	376 KB	Output is correct
78	Correct	5 ms	376 KB	Output is correct
79	Correct	10 ms	888 KB	Output is correct
80	Correct	619 ms	23416 KB	Output is correct
81	Correct	615 ms	23160 KB	Output is correct
82	Correct	574 ms	23416 KB	Output is correct
83	Correct	554 ms	23288 KB	Output is correct
84	Correct	581 ms	23416 KB	Output is correct
85	Correct	573 ms	23576 KB	Output is correct
86	Correct	170 ms	18168 KB	Output is correct
87	Correct	5 ms	376 KB	Output is correct

Submission #206800

Compilation message