Submission #978202

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
978202	2024-05-09T03:12:24 Z	willychan	Strange Device (APIO19_strange_device)	C++17	100 / 100	620 ms	100408 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
// observation 
// every thing is the same, actually
// it will probably be A/gcd(A,b+1)*B stuff,so basically lcm(A,B) 

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	int n;
	ll A,B;
	cin>>n>>A>>B;
	ll A_g = A/__gcd(A,B+1);
	if(B>(1e18/A_g)){
		ll ans = 0;
		for(int i=0;i<n;i++){
			ll l,r;cin>>l>>r;
			ans+=r-l+1;
		}
		cout<<ans<<"\n";
		return 0;
	}
	ll M = B*A_g;
	map<ll,int> sum;
	for(int i=0;i<n;i++){
		ll l,r;cin>>l>>r;
		if(r-l+1>=M){
			sum[0]++;
			sum[M]--;
		}else{
			ll k = l%M;
			ll h = r%M;
			if(k<=h){
				sum[k]++;
				sum[h+1]--;
			}else{
				sum[k]++;
				sum[M]--;
				sum[0]++;
				sum[h+1]--;
			}
		}
	}
	sum[M]+=0;
	ll prev = 0;	
	int s=0;
	ll ans = 0;
	for(auto i : sum){
		if(s){
			ans+=(i.first-prev);
		}
		s+=i.second;
		prev = i.first;
	}
	cout<<ans<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	452 KB	Output is correct
2	Correct	5 ms	1232 KB	Output is correct
3	Correct	5 ms	1368 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	1 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	0 ms	348 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	460 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	1384 KB	Output is correct
17	Correct	48 ms	10236 KB	Output is correct
18	Correct	1 ms	344 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	1 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 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	468 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	176 ms	25520 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	496 ms	99984 KB	Output is correct
3	Correct	555 ms	100260 KB	Output is correct
4	Correct	547 ms	100180 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	496 ms	99984 KB	Output is correct
3	Correct	555 ms	100260 KB	Output is correct
4	Correct	547 ms	100180 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	551 ms	100128 KB	Output is correct
7	Correct	535 ms	100180 KB	Output is correct
8	Correct	536 ms	100060 KB	Output is correct
9	Correct	613 ms	100176 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	496 ms	99984 KB	Output is correct
3	Correct	555 ms	100260 KB	Output is correct
4	Correct	547 ms	100180 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	43 ms	10496 KB	Output is correct
7	Correct	42 ms	10328 KB	Output is correct
8	Correct	44 ms	10320 KB	Output is correct
9	Correct	47 ms	10324 KB	Output is correct
10	Correct	42 ms	10324 KB	Output is correct
11	Correct	42 ms	10320 KB	Output is correct
12	Correct	42 ms	10324 KB	Output is correct
13	Correct	48 ms	10320 KB	Output is correct
14	Correct	42 ms	10320 KB	Output is correct
15	Correct	53 ms	10264 KB	Output is correct
16	Correct	51 ms	10308 KB	Output is correct
17	Correct	46 ms	10280 KB	Output is correct
18	Correct	568 ms	100192 KB	Output is correct
19	Correct	541 ms	100200 KB	Output is correct
20	Correct	620 ms	100160 KB	Output is correct
21	Correct	44 ms	10320 KB	Output is correct
22	Correct	45 ms	10396 KB	Output is correct
23	Correct	79 ms	12860 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	50 ms	10288 KB	Output is correct
3	Correct	50 ms	10216 KB	Output is correct
4	Correct	550 ms	100176 KB	Output is correct
5	Correct	56 ms	10184 KB	Output is correct
6	Correct	50 ms	10292 KB	Output is correct
7	Correct	50 ms	10264 KB	Output is correct
8	Correct	49 ms	10296 KB	Output is correct
9	Correct	48 ms	10324 KB	Output is correct
10	Correct	49 ms	10508 KB	Output is correct
11	Correct	47 ms	10320 KB	Output is correct
12	Correct	45 ms	10240 KB	Output is correct
13	Correct	50 ms	10320 KB	Output is correct
14	Correct	612 ms	100316 KB	Output is correct
15	Correct	43 ms	10320 KB	Output is correct
16	Correct	551 ms	100408 KB	Output is correct
17	Correct	519 ms	100264 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	452 KB	Output is correct
2	Correct	5 ms	1232 KB	Output is correct
3	Correct	5 ms	1368 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	1 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	0 ms	348 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	460 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	4 ms	1384 KB	Output is correct
17	Correct	48 ms	10236 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	176 ms	25520 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	496 ms	99984 KB	Output is correct
31	Correct	555 ms	100260 KB	Output is correct
32	Correct	547 ms	100180 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	551 ms	100128 KB	Output is correct
35	Correct	535 ms	100180 KB	Output is correct
36	Correct	536 ms	100060 KB	Output is correct
37	Correct	613 ms	100176 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	43 ms	10496 KB	Output is correct
40	Correct	42 ms	10328 KB	Output is correct
41	Correct	44 ms	10320 KB	Output is correct
42	Correct	47 ms	10324 KB	Output is correct
43	Correct	42 ms	10324 KB	Output is correct
44	Correct	42 ms	10320 KB	Output is correct
45	Correct	42 ms	10324 KB	Output is correct
46	Correct	48 ms	10320 KB	Output is correct
47	Correct	42 ms	10320 KB	Output is correct
48	Correct	53 ms	10264 KB	Output is correct
49	Correct	51 ms	10308 KB	Output is correct
50	Correct	46 ms	10280 KB	Output is correct
51	Correct	568 ms	100192 KB	Output is correct
52	Correct	541 ms	100200 KB	Output is correct
53	Correct	620 ms	100160 KB	Output is correct
54	Correct	44 ms	10320 KB	Output is correct
55	Correct	45 ms	10396 KB	Output is correct
56	Correct	79 ms	12860 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	50 ms	10288 KB	Output is correct
59	Correct	50 ms	10216 KB	Output is correct
60	Correct	550 ms	100176 KB	Output is correct
61	Correct	56 ms	10184 KB	Output is correct
62	Correct	50 ms	10292 KB	Output is correct
63	Correct	50 ms	10264 KB	Output is correct
64	Correct	49 ms	10296 KB	Output is correct
65	Correct	48 ms	10324 KB	Output is correct
66	Correct	49 ms	10508 KB	Output is correct
67	Correct	47 ms	10320 KB	Output is correct
68	Correct	45 ms	10240 KB	Output is correct
69	Correct	50 ms	10320 KB	Output is correct
70	Correct	612 ms	100316 KB	Output is correct
71	Correct	43 ms	10320 KB	Output is correct
72	Correct	551 ms	100408 KB	Output is correct
73	Correct	519 ms	100264 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	1 ms	348 KB	Output is correct
79	Correct	5 ms	1372 KB	Output is correct
80	Correct	578 ms	100064 KB	Output is correct
81	Correct	559 ms	100028 KB	Output is correct
82	Correct	564 ms	100160 KB	Output is correct
83	Correct	549 ms	100116 KB	Output is correct
84	Correct	577 ms	100336 KB	Output is correct
85	Correct	545 ms	100280 KB	Output is correct
86	Correct	84 ms	12964 KB	Output is correct
87	Correct	0 ms	348 KB	Output is correct

Submission #978202

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