Submission #258125

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
258125	2020-08-05T11:54:36 Z	amoo_safar	Strange Device (APIO19_strange_device)	C++17	100 / 100	742 ms	69168 KB

strange_device

// Zende bad Shoma nasime faghat !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef __int128 ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	long long n, A, B;
	cin >> n >> A >> B;
	ll z = A / __gcd(A, B + 1);
	ll L = z * B;
	vector<pll> V;

	long long l, r;
	for(int i = 0; i < n; i++){
		cin >> l >> r;
		if(r - l + 1 >= L) return cout << (long long)(L) << '\n', 0;
		if(l % L <= r % L) V.pb({l % L, r % L});
		else {
			V.pb({l % L, L - 1});
			V.pb({0,  r % L});
		}
	}
	sort(all(V));
	ll ans = L;
	ll la = -1;
	for(auto x : V){
		ans -= max(__int128(0), x.F - la - 1);
		la = max(la, x.S);
	}
	ans -= max(__int128(0), L - la - 1);

	cout << (long long)(ans) << '\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	6 ms	1024 KB	Output is correct
3	Correct	7 ms	1024 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	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	6 ms	1024 KB	Output is correct
17	Correct	67 ms	4588 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	416 ms	33268 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	573 ms	33344 KB	Output is correct
3	Correct	634 ms	33376 KB	Output is correct
4	Correct	569 ms	33344 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	573 ms	33344 KB	Output is correct
3	Correct	634 ms	33376 KB	Output is correct
4	Correct	569 ms	33344 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	597 ms	33376 KB	Output is correct
7	Correct	560 ms	33344 KB	Output is correct
8	Correct	564 ms	33340 KB	Output is correct
9	Correct	667 ms	33344 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	573 ms	33344 KB	Output is correct
3	Correct	634 ms	33376 KB	Output is correct
4	Correct	569 ms	33344 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	54 ms	4636 KB	Output is correct
7	Correct	58 ms	4596 KB	Output is correct
8	Correct	55 ms	4588 KB	Output is correct
9	Correct	57 ms	4620 KB	Output is correct
10	Correct	53 ms	4588 KB	Output is correct
11	Correct	68 ms	4628 KB	Output is correct
12	Correct	54 ms	4588 KB	Output is correct
13	Correct	60 ms	4560 KB	Output is correct
14	Correct	74 ms	4584 KB	Output is correct
15	Correct	65 ms	4596 KB	Output is correct
16	Correct	56 ms	4580 KB	Output is correct
17	Correct	55 ms	4588 KB	Output is correct
18	Correct	568 ms	33344 KB	Output is correct
19	Correct	566 ms	33344 KB	Output is correct
20	Correct	695 ms	33344 KB	Output is correct
21	Correct	64 ms	4588 KB	Output is correct
22	Correct	54 ms	4596 KB	Output is correct
23	Correct	173 ms	16852 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	57 ms	4588 KB	Output is correct
3	Correct	66 ms	4592 KB	Output is correct
4	Correct	728 ms	33464 KB	Output is correct
5	Correct	60 ms	4584 KB	Output is correct
6	Correct	57 ms	4588 KB	Output is correct
7	Correct	60 ms	4584 KB	Output is correct
8	Correct	60 ms	4588 KB	Output is correct
9	Correct	59 ms	4588 KB	Output is correct
10	Correct	59 ms	4584 KB	Output is correct
11	Correct	59 ms	4588 KB	Output is correct
12	Correct	56 ms	4588 KB	Output is correct
13	Correct	56 ms	4584 KB	Output is correct
14	Correct	638 ms	33348 KB	Output is correct
15	Correct	56 ms	4588 KB	Output is correct
16	Correct	563 ms	33332 KB	Output is correct
17	Correct	541 ms	33344 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	6 ms	1024 KB	Output is correct
3	Correct	7 ms	1024 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	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	6 ms	1024 KB	Output is correct
17	Correct	67 ms	4588 KB	Output is correct
18	Correct	0 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	1 ms	384 KB	Output is correct
22	Correct	2 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 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	416 ms	33268 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	573 ms	33344 KB	Output is correct
31	Correct	634 ms	33376 KB	Output is correct
32	Correct	569 ms	33344 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	597 ms	33376 KB	Output is correct
35	Correct	560 ms	33344 KB	Output is correct
36	Correct	564 ms	33340 KB	Output is correct
37	Correct	667 ms	33344 KB	Output is correct
38	Correct	0 ms	384 KB	Output is correct
39	Correct	54 ms	4636 KB	Output is correct
40	Correct	58 ms	4596 KB	Output is correct
41	Correct	55 ms	4588 KB	Output is correct
42	Correct	57 ms	4620 KB	Output is correct
43	Correct	53 ms	4588 KB	Output is correct
44	Correct	68 ms	4628 KB	Output is correct
45	Correct	54 ms	4588 KB	Output is correct
46	Correct	60 ms	4560 KB	Output is correct
47	Correct	74 ms	4584 KB	Output is correct
48	Correct	65 ms	4596 KB	Output is correct
49	Correct	56 ms	4580 KB	Output is correct
50	Correct	55 ms	4588 KB	Output is correct
51	Correct	568 ms	33344 KB	Output is correct
52	Correct	566 ms	33344 KB	Output is correct
53	Correct	695 ms	33344 KB	Output is correct
54	Correct	64 ms	4588 KB	Output is correct
55	Correct	54 ms	4596 KB	Output is correct
56	Correct	173 ms	16852 KB	Output is correct
57	Correct	0 ms	384 KB	Output is correct
58	Correct	57 ms	4588 KB	Output is correct
59	Correct	66 ms	4592 KB	Output is correct
60	Correct	728 ms	33464 KB	Output is correct
61	Correct	60 ms	4584 KB	Output is correct
62	Correct	57 ms	4588 KB	Output is correct
63	Correct	60 ms	4584 KB	Output is correct
64	Correct	60 ms	4588 KB	Output is correct
65	Correct	59 ms	4588 KB	Output is correct
66	Correct	59 ms	4584 KB	Output is correct
67	Correct	59 ms	4588 KB	Output is correct
68	Correct	56 ms	4588 KB	Output is correct
69	Correct	56 ms	4584 KB	Output is correct
70	Correct	638 ms	33348 KB	Output is correct
71	Correct	56 ms	4588 KB	Output is correct
72	Correct	563 ms	33332 KB	Output is correct
73	Correct	541 ms	33344 KB	Output is correct
74	Correct	0 ms	384 KB	Output is correct
75	Correct	0 ms	384 KB	Output is correct
76	Correct	1 ms	384 KB	Output is correct
77	Correct	0 ms	384 KB	Output is correct
78	Correct	0 ms	384 KB	Output is correct
79	Correct	6 ms	1408 KB	Output is correct
80	Correct	712 ms	68940 KB	Output is correct
81	Correct	742 ms	69148 KB	Output is correct
82	Correct	705 ms	69020 KB	Output is correct
83	Correct	678 ms	69004 KB	Output is correct
84	Correct	659 ms	69024 KB	Output is correct
85	Correct	637 ms	69168 KB	Output is correct
86	Correct	185 ms	26708 KB	Output is correct
87	Correct	0 ms	384 KB	Output is correct

Submission #258125

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