Submission #139680

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
139680	2019-08-01T08:58:06 Z	baluteshih	Strange Device (APIO19_strange_device)	C++14	100 / 100	747 ms	17900 KB

strange_device

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#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 ET cout << "\n"
#define MEM(i,j) memset(i,j,sizeof i)
#define ALL(v) v.begin(),v.end()
#define DB(a,s,e) {for(int i=s;i<e;++i) cerr << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

vector<pll> v;
 
int main()
{jizz
	ll n,a,b,l,r,ans=0,g;
	__int128 cycle;
	cin >> n >> a >> b,g=a/__gcd(b+1,a),cycle=(__int128)g*b;
	for(int i=1;i<=n;++i)
	{
		cin >> l >> r;
		if((__int128)(r-l+1)>=cycle)
			return cout << (ll)cycle << "\n",0;
		if(l%cycle<=r%cycle)
			v.pb(MP((ll)l%cycle,(ll)r%cycle));
		else
			v.pb(MP((ll)l%cycle,(ll)cycle-1)),v.pb(MP(0LL,(ll)r%cycle));
	}
	sort(ALL(v)),r=-1;
	for(auto i:v)
	{
		if(i.F<=r) ans+=max(i.S-r,0LL),r=max(i.S,r);
		else ans+=i.S-i.F+1,r=i.S;
	}
	cout << ans << "\n";
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	9 ms	1016 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	8 ms	908 KB	Output is correct
17	Correct	69 ms	3196 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	256 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	3 ms	380 KB	Output is correct
5	Correct	459 ms	17872 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	623 ms	17796 KB	Output is correct
3	Correct	609 ms	17900 KB	Output is correct
4	Correct	610 ms	17692 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	623 ms	17796 KB	Output is correct
3	Correct	609 ms	17900 KB	Output is correct
4	Correct	610 ms	17692 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	613 ms	17868 KB	Output is correct
7	Correct	615 ms	17660 KB	Output is correct
8	Correct	619 ms	17536 KB	Output is correct
9	Correct	675 ms	17892 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	623 ms	17796 KB	Output is correct
3	Correct	609 ms	17900 KB	Output is correct
4	Correct	610 ms	17692 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	67 ms	3392 KB	Output is correct
7	Correct	67 ms	3440 KB	Output is correct
8	Correct	63 ms	3440 KB	Output is correct
9	Correct	68 ms	3564 KB	Output is correct
10	Correct	64 ms	3608 KB	Output is correct
11	Correct	63 ms	3464 KB	Output is correct
12	Correct	63 ms	3444 KB	Output is correct
13	Correct	69 ms	3452 KB	Output is correct
14	Correct	63 ms	3568 KB	Output is correct
15	Correct	70 ms	3540 KB	Output is correct
16	Correct	68 ms	3564 KB	Output is correct
17	Correct	67 ms	3540 KB	Output is correct
18	Correct	644 ms	17740 KB	Output is correct
19	Correct	603 ms	17364 KB	Output is correct
20	Correct	670 ms	17364 KB	Output is correct
21	Correct	67 ms	2928 KB	Output is correct
22	Correct	61 ms	3156 KB	Output is correct
23	Correct	196 ms	9508 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	296 KB	Output is correct
2	Correct	67 ms	2772 KB	Output is correct
3	Correct	69 ms	2668 KB	Output is correct
4	Correct	698 ms	17004 KB	Output is correct
5	Correct	67 ms	2924 KB	Output is correct
6	Correct	67 ms	2928 KB	Output is correct
7	Correct	67 ms	2800 KB	Output is correct
8	Correct	68 ms	2672 KB	Output is correct
9	Correct	66 ms	2612 KB	Output is correct
10	Correct	68 ms	2692 KB	Output is correct
11	Correct	68 ms	2672 KB	Output is correct
12	Correct	60 ms	2672 KB	Output is correct
13	Correct	67 ms	2688 KB	Output is correct
14	Correct	681 ms	17088 KB	Output is correct
15	Correct	67 ms	2928 KB	Output is correct
16	Correct	624 ms	17344 KB	Output is correct
17	Correct	623 ms	17236 KB	Output is correct
18	Correct	2 ms	256 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	8 ms	1144 KB	Output is correct
3	Correct	9 ms	1016 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	3 ms	376 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	8 ms	908 KB	Output is correct
17	Correct	69 ms	3196 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	256 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	3 ms	376 KB	Output is correct
26	Correct	3 ms	376 KB	Output is correct
27	Correct	3 ms	380 KB	Output is correct
28	Correct	459 ms	17872 KB	Output is correct
29	Correct	3 ms	504 KB	Output is correct
30	Correct	623 ms	17796 KB	Output is correct
31	Correct	609 ms	17900 KB	Output is correct
32	Correct	610 ms	17692 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	613 ms	17868 KB	Output is correct
35	Correct	615 ms	17660 KB	Output is correct
36	Correct	619 ms	17536 KB	Output is correct
37	Correct	675 ms	17892 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	67 ms	3392 KB	Output is correct
40	Correct	67 ms	3440 KB	Output is correct
41	Correct	63 ms	3440 KB	Output is correct
42	Correct	68 ms	3564 KB	Output is correct
43	Correct	64 ms	3608 KB	Output is correct
44	Correct	63 ms	3464 KB	Output is correct
45	Correct	63 ms	3444 KB	Output is correct
46	Correct	69 ms	3452 KB	Output is correct
47	Correct	63 ms	3568 KB	Output is correct
48	Correct	70 ms	3540 KB	Output is correct
49	Correct	68 ms	3564 KB	Output is correct
50	Correct	67 ms	3540 KB	Output is correct
51	Correct	644 ms	17740 KB	Output is correct
52	Correct	603 ms	17364 KB	Output is correct
53	Correct	670 ms	17364 KB	Output is correct
54	Correct	67 ms	2928 KB	Output is correct
55	Correct	61 ms	3156 KB	Output is correct
56	Correct	196 ms	9508 KB	Output is correct
57	Correct	2 ms	296 KB	Output is correct
58	Correct	67 ms	2772 KB	Output is correct
59	Correct	69 ms	2668 KB	Output is correct
60	Correct	698 ms	17004 KB	Output is correct
61	Correct	67 ms	2924 KB	Output is correct
62	Correct	67 ms	2928 KB	Output is correct
63	Correct	67 ms	2800 KB	Output is correct
64	Correct	68 ms	2672 KB	Output is correct
65	Correct	66 ms	2612 KB	Output is correct
66	Correct	68 ms	2692 KB	Output is correct
67	Correct	68 ms	2672 KB	Output is correct
68	Correct	60 ms	2672 KB	Output is correct
69	Correct	67 ms	2688 KB	Output is correct
70	Correct	681 ms	17088 KB	Output is correct
71	Correct	67 ms	2928 KB	Output is correct
72	Correct	624 ms	17344 KB	Output is correct
73	Correct	623 ms	17236 KB	Output is correct
74	Correct	2 ms	256 KB	Output is correct
75	Correct	2 ms	376 KB	Output is correct
76	Correct	2 ms	376 KB	Output is correct
77	Correct	2 ms	376 KB	Output is correct
78	Correct	2 ms	376 KB	Output is correct
79	Correct	8 ms	1016 KB	Output is correct
80	Correct	690 ms	17508 KB	Output is correct
81	Correct	699 ms	17352 KB	Output is correct
82	Correct	667 ms	17224 KB	Output is correct
83	Correct	747 ms	17168 KB	Output is correct
84	Correct	667 ms	17284 KB	Output is correct
85	Correct	664 ms	17160 KB	Output is correct
86	Correct	194 ms	9104 KB	Output is correct
87	Correct	2 ms	380 KB	Output is correct

Submission #139680

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