Submission #447460

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
447460	2021-07-26T11:56:41 Z	S2speed	Strange Device (APIO19_strange_device)	C++17	100 / 100	779 ms	34132 KB

strange_device

#include<bits/stdc++.h>

using namespace std;

#define all(x) x.begin() , x.end()
#define sze(x) (ll)(x.size())
typedef long long ll;
typedef pair<ll , ll> pll;

const ll maxn = 1e6 + 16 , inf = 2e18;

vector<pll> v;

int main(){
	ios_base::sync_with_stdio(false); cout.tie(0); cin.tie(0);

	ll n , a , b , h;
	cin>>n>>a>>b;
	__int128_t q = (__int128_t)1 * a * b / __gcd(a , b + 1);
	h = min((__int128_t)(inf) , q);
	for(ll i = 0 ; i < n ; i++){
		ll l , r;
		cin>>l>>r; r++;
		if(r - l >= h){
			cout<<h<<'\n';
			return 0;
		}
		l %= h;
		r %= h;
		v.push_back({l , 1});
		v.push_back({r , -1});
		if(r < l){
			v.push_back({0 , 1});
			v.push_back({h , -1});
		}
	}
	sort(all(v));
	ll pr = 0 , cnt = 0 , ans = 0;
	ll vs = sze(v);
	for(ll i = 0 ; i < vs ; i++){
		ll cur = v[i].first;
		ans += (cnt > 0) * (cur - pr);
		pr = cur;
		cnt += v[i].second;
	}
	cout<<ans<<'\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	7 ms	1232 KB	Output is correct
3	Correct	7 ms	1232 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	8 ms	1232 KB	Output is correct
17	Correct	72 ms	5176 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	332 KB	Output is correct
5	Correct	421 ms	33296 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	629 ms	33860 KB	Output is correct
3	Correct	678 ms	34008 KB	Output is correct
4	Correct	641 ms	33936 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	629 ms	33860 KB	Output is correct
3	Correct	678 ms	34008 KB	Output is correct
4	Correct	641 ms	33936 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	664 ms	34012 KB	Output is correct
7	Correct	622 ms	33988 KB	Output is correct
8	Correct	625 ms	33916 KB	Output is correct
9	Correct	723 ms	34068 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	629 ms	33860 KB	Output is correct
3	Correct	678 ms	34008 KB	Output is correct
4	Correct	641 ms	33936 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	58 ms	4668 KB	Output is correct
7	Correct	62 ms	4652 KB	Output is correct
8	Correct	60 ms	5064 KB	Output is correct
9	Correct	62 ms	5180 KB	Output is correct
10	Correct	63 ms	4624 KB	Output is correct
11	Correct	66 ms	4620 KB	Output is correct
12	Correct	73 ms	4796 KB	Output is correct
13	Correct	65 ms	4780 KB	Output is correct
14	Correct	61 ms	4900 KB	Output is correct
15	Correct	69 ms	4668 KB	Output is correct
16	Correct	70 ms	5112 KB	Output is correct
17	Correct	68 ms	5260 KB	Output is correct
18	Correct	656 ms	34000 KB	Output is correct
19	Correct	610 ms	33936 KB	Output is correct
20	Correct	733 ms	34132 KB	Output is correct
21	Correct	72 ms	5192 KB	Output is correct
22	Correct	55 ms	5188 KB	Output is correct
23	Correct	187 ms	17564 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	76 ms	4728 KB	Output is correct
3	Correct	70 ms	4768 KB	Output is correct
4	Correct	779 ms	33968 KB	Output is correct
5	Correct	67 ms	4664 KB	Output is correct
6	Correct	67 ms	4588 KB	Output is correct
7	Correct	67 ms	4620 KB	Output is correct
8	Correct	70 ms	4664 KB	Output is correct
9	Correct	66 ms	4820 KB	Output is correct
10	Correct	72 ms	4748 KB	Output is correct
11	Correct	66 ms	4716 KB	Output is correct
12	Correct	71 ms	4668 KB	Output is correct
13	Correct	78 ms	4900 KB	Output is correct
14	Correct	712 ms	34108 KB	Output is correct
15	Correct	72 ms	5180 KB	Output is correct
16	Correct	602 ms	33804 KB	Output is correct
17	Correct	618 ms	33772 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	7 ms	1232 KB	Output is correct
3	Correct	7 ms	1232 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	316 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	8 ms	1232 KB	Output is correct
17	Correct	72 ms	5176 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	2 ms	332 KB	Output is correct
28	Correct	421 ms	33296 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	629 ms	33860 KB	Output is correct
31	Correct	678 ms	34008 KB	Output is correct
32	Correct	641 ms	33936 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	664 ms	34012 KB	Output is correct
35	Correct	622 ms	33988 KB	Output is correct
36	Correct	625 ms	33916 KB	Output is correct
37	Correct	723 ms	34068 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	58 ms	4668 KB	Output is correct
40	Correct	62 ms	4652 KB	Output is correct
41	Correct	60 ms	5064 KB	Output is correct
42	Correct	62 ms	5180 KB	Output is correct
43	Correct	63 ms	4624 KB	Output is correct
44	Correct	66 ms	4620 KB	Output is correct
45	Correct	73 ms	4796 KB	Output is correct
46	Correct	65 ms	4780 KB	Output is correct
47	Correct	61 ms	4900 KB	Output is correct
48	Correct	69 ms	4668 KB	Output is correct
49	Correct	70 ms	5112 KB	Output is correct
50	Correct	68 ms	5260 KB	Output is correct
51	Correct	656 ms	34000 KB	Output is correct
52	Correct	610 ms	33936 KB	Output is correct
53	Correct	733 ms	34132 KB	Output is correct
54	Correct	72 ms	5192 KB	Output is correct
55	Correct	55 ms	5188 KB	Output is correct
56	Correct	187 ms	17564 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	76 ms	4728 KB	Output is correct
59	Correct	70 ms	4768 KB	Output is correct
60	Correct	779 ms	33968 KB	Output is correct
61	Correct	67 ms	4664 KB	Output is correct
62	Correct	67 ms	4588 KB	Output is correct
63	Correct	67 ms	4620 KB	Output is correct
64	Correct	70 ms	4664 KB	Output is correct
65	Correct	66 ms	4820 KB	Output is correct
66	Correct	72 ms	4748 KB	Output is correct
67	Correct	66 ms	4716 KB	Output is correct
68	Correct	71 ms	4668 KB	Output is correct
69	Correct	78 ms	4900 KB	Output is correct
70	Correct	712 ms	34108 KB	Output is correct
71	Correct	72 ms	5180 KB	Output is correct
72	Correct	602 ms	33804 KB	Output is correct
73	Correct	618 ms	33772 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	1 ms	312 KB	Output is correct
76	Correct	1 ms	204 KB	Output is correct
77	Correct	1 ms	204 KB	Output is correct
78	Correct	1 ms	204 KB	Output is correct
79	Correct	6 ms	1232 KB	Output is correct
80	Correct	746 ms	33796 KB	Output is correct
81	Correct	748 ms	33808 KB	Output is correct
82	Correct	722 ms	33684 KB	Output is correct
83	Correct	697 ms	33672 KB	Output is correct
84	Correct	716 ms	33728 KB	Output is correct
85	Correct	703 ms	33640 KB	Output is correct
86	Correct	171 ms	17320 KB	Output is correct
87	Correct	1 ms	204 KB	Output is correct

Submission #447460

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