Submission #1085659

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1085659	2024-09-08T14:26:36 Z	4QT0R	Strange Device (APIO19_strange_device)	C++17	100 / 100	445 ms	116048 KB

strange_device

#include <bits/stdc++.h>
using namespace std;
#define ll __int128_t

void fastscan(ll &n){
	n=0;
	for(char zn=getchar();47<zn && zn<58; zn=getchar()){
		n=10*n+zn-48;
	}
}

set<pair<ll,ll>> s;

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

	ll n,A,B;
	fastscan(n);
	fastscan(A);
	fastscan(B);
	A/=gcd((long long)A,(long long)(B+1));
	ll mod=A*B;
	for (ll i = 1; i<=n; i++){
		ll l,p;
		fastscan(l);
		fastscan(p);
		if (l/mod!=p/mod){
			s.insert({l%mod,mod-1});
			s.insert({0,p%mod});
		}
		else s.insert({l%mod,p%mod});
	}
	ll mx=-1;
	ll ans=0;
	for (auto [l,p] : s){
		if (p<=mx)continue;
		ans+=p-max(mx+1,l)+1;
		mx=max(mx,p);
	}
	cout << (long long)ans << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1576 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	3 ms	1372 KB	Output is correct
17	Correct	33 ms	11756 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	464 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	528 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	98 ms	25560 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	328 ms	115848 KB	Output is correct
3	Correct	389 ms	115708 KB	Output is correct
4	Correct	445 ms	115796 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	328 ms	115848 KB	Output is correct
3	Correct	389 ms	115708 KB	Output is correct
4	Correct	445 ms	115796 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	355 ms	115796 KB	Output is correct
7	Correct	350 ms	116048 KB	Output is correct
8	Correct	336 ms	115672 KB	Output is correct
9	Correct	366 ms	115760 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	328 ms	115848 KB	Output is correct
3	Correct	389 ms	115708 KB	Output is correct
4	Correct	445 ms	115796 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	28 ms	11976 KB	Output is correct
7	Correct	28 ms	11860 KB	Output is correct
8	Correct	27 ms	11904 KB	Output is correct
9	Correct	30 ms	11852 KB	Output is correct
10	Correct	31 ms	11860 KB	Output is correct
11	Correct	28 ms	11864 KB	Output is correct
12	Correct	32 ms	11860 KB	Output is correct
13	Correct	31 ms	11912 KB	Output is correct
14	Correct	33 ms	11856 KB	Output is correct
15	Correct	32 ms	11796 KB	Output is correct
16	Correct	42 ms	11888 KB	Output is correct
17	Correct	31 ms	11964 KB	Output is correct
18	Correct	318 ms	115884 KB	Output is correct
19	Correct	355 ms	115700 KB	Output is correct
20	Correct	425 ms	115792 KB	Output is correct
21	Correct	30 ms	11980 KB	Output is correct
22	Correct	28 ms	11984 KB	Output is correct
23	Correct	49 ms	13100 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	42 ms	11868 KB	Output is correct
3	Correct	34 ms	11800 KB	Output is correct
4	Correct	350 ms	115856 KB	Output is correct
5	Correct	31 ms	11804 KB	Output is correct
6	Correct	31 ms	11840 KB	Output is correct
7	Correct	35 ms	11868 KB	Output is correct
8	Correct	36 ms	11860 KB	Output is correct
9	Correct	43 ms	11784 KB	Output is correct
10	Correct	30 ms	11864 KB	Output is correct
11	Correct	30 ms	11868 KB	Output is correct
12	Correct	30 ms	11860 KB	Output is correct
13	Correct	31 ms	11860 KB	Output is correct
14	Correct	374 ms	115796 KB	Output is correct
15	Correct	27 ms	11856 KB	Output is correct
16	Correct	328 ms	115796 KB	Output is correct
17	Correct	330 ms	115760 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1576 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	3 ms	1372 KB	Output is correct
17	Correct	33 ms	11756 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	464 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	528 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	98 ms	25560 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	328 ms	115848 KB	Output is correct
31	Correct	389 ms	115708 KB	Output is correct
32	Correct	445 ms	115796 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	355 ms	115796 KB	Output is correct
35	Correct	350 ms	116048 KB	Output is correct
36	Correct	336 ms	115672 KB	Output is correct
37	Correct	366 ms	115760 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	28 ms	11976 KB	Output is correct
40	Correct	28 ms	11860 KB	Output is correct
41	Correct	27 ms	11904 KB	Output is correct
42	Correct	30 ms	11852 KB	Output is correct
43	Correct	31 ms	11860 KB	Output is correct
44	Correct	28 ms	11864 KB	Output is correct
45	Correct	32 ms	11860 KB	Output is correct
46	Correct	31 ms	11912 KB	Output is correct
47	Correct	33 ms	11856 KB	Output is correct
48	Correct	32 ms	11796 KB	Output is correct
49	Correct	42 ms	11888 KB	Output is correct
50	Correct	31 ms	11964 KB	Output is correct
51	Correct	318 ms	115884 KB	Output is correct
52	Correct	355 ms	115700 KB	Output is correct
53	Correct	425 ms	115792 KB	Output is correct
54	Correct	30 ms	11980 KB	Output is correct
55	Correct	28 ms	11984 KB	Output is correct
56	Correct	49 ms	13100 KB	Output is correct
57	Correct	0 ms	344 KB	Output is correct
58	Correct	42 ms	11868 KB	Output is correct
59	Correct	34 ms	11800 KB	Output is correct
60	Correct	350 ms	115856 KB	Output is correct
61	Correct	31 ms	11804 KB	Output is correct
62	Correct	31 ms	11840 KB	Output is correct
63	Correct	35 ms	11868 KB	Output is correct
64	Correct	36 ms	11860 KB	Output is correct
65	Correct	43 ms	11784 KB	Output is correct
66	Correct	30 ms	11864 KB	Output is correct
67	Correct	30 ms	11868 KB	Output is correct
68	Correct	30 ms	11860 KB	Output is correct
69	Correct	31 ms	11860 KB	Output is correct
70	Correct	374 ms	115796 KB	Output is correct
71	Correct	27 ms	11856 KB	Output is correct
72	Correct	328 ms	115796 KB	Output is correct
73	Correct	330 ms	115760 KB	Output is correct
74	Correct	1 ms	344 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	1 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	3 ms	1372 KB	Output is correct
80	Correct	413 ms	115664 KB	Output is correct
81	Correct	373 ms	115796 KB	Output is correct
82	Correct	360 ms	115728 KB	Output is correct
83	Correct	363 ms	115680 KB	Output is correct
84	Correct	376 ms	115880 KB	Output is correct
85	Correct	416 ms	115660 KB	Output is correct
86	Correct	56 ms	12984 KB	Output is correct
87	Correct	1 ms	344 KB	Output is correct

Submission #1085659

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