Submission #172105

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
172105	2019-12-31T06:39:52 Z	super_j6	Strange Device (APIO19_strange_device)	C++14	100 / 100	802 ms	53304 KB

strange_device

#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define pi pair<long long, long long>

const long long inf = 2000000000000000000;
const int maxn = 2000001;
long long n, m, a, b;
pi p[maxn];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> n >> a >> b;
	m = __gcd(b + 1, a) % a;
	m += a * (m == 0);
	m = min(inf / b, a / m) * b;
	
	for(int i = 0; i < n; i++){
		cin >> p[i].first >> p[i].second;
		if(p[i].second - p[i].first >= m) p[i] = {0, m - 1};
		p[i].first %= m, p[i].second %= m;
		if(p[i].second < p[i].first){
			p[i + 1] = {p[i].first, m - 1};
			p[i].first = 0;
			i++, n++;
		}
	} 
	
	p[n] = {m, m};
	sort(p, p + n);
	
	long long ret = 0;
	for(long long i = 0, j = p[0].second, k = p[0].first; i < n; i++){
		j = max(j, p[i].second);
		if(j < p[i + 1].first){
			ret += j - k + 1;
			k = p[i + 1].first;
		}
	}
	
	cout << ret << endl;
	
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	7 ms	632 KB	Output is correct
3	Correct	8 ms	632 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	348 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	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 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	7 ms	632 KB	Output is correct
17	Correct	65 ms	2040 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	376 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	380 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	2 ms	376 KB	Output is correct
5	Correct	438 ms	16092 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	592 ms	16980 KB	Output is correct
3	Correct	597 ms	16996 KB	Output is correct
4	Correct	603 ms	19052 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	592 ms	16980 KB	Output is correct
3	Correct	597 ms	16996 KB	Output is correct
4	Correct	603 ms	19052 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	586 ms	17656 KB	Output is correct
7	Correct	589 ms	18608 KB	Output is correct
8	Correct	577 ms	18936 KB	Output is correct
9	Correct	640 ms	18964 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	592 ms	16980 KB	Output is correct
3	Correct	597 ms	16996 KB	Output is correct
4	Correct	603 ms	19052 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	58 ms	5624 KB	Output is correct
7	Correct	62 ms	5624 KB	Output is correct
8	Correct	59 ms	5624 KB	Output is correct
9	Correct	61 ms	4768 KB	Output is correct
10	Correct	59 ms	5628 KB	Output is correct
11	Correct	65 ms	5688 KB	Output is correct
12	Correct	60 ms	5752 KB	Output is correct
13	Correct	65 ms	5624 KB	Output is correct
14	Correct	58 ms	5624 KB	Output is correct
15	Correct	65 ms	5628 KB	Output is correct
16	Correct	69 ms	5624 KB	Output is correct
17	Correct	61 ms	5624 KB	Output is correct
18	Correct	596 ms	53040 KB	Output is correct
19	Correct	584 ms	53304 KB	Output is correct
20	Correct	644 ms	52928 KB	Output is correct
21	Correct	64 ms	5624 KB	Output is correct
22	Correct	58 ms	5548 KB	Output is correct
23	Correct	186 ms	18176 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	64 ms	3400 KB	Output is correct
3	Correct	64 ms	2104 KB	Output is correct
4	Correct	659 ms	19448 KB	Output is correct
5	Correct	63 ms	2040 KB	Output is correct
6	Correct	66 ms	3120 KB	Output is correct
7	Correct	65 ms	3600 KB	Output is correct
8	Correct	64 ms	1912 KB	Output is correct
9	Correct	62 ms	2956 KB	Output is correct
10	Correct	64 ms	1920 KB	Output is correct
11	Correct	63 ms	2808 KB	Output is correct
12	Correct	58 ms	4092 KB	Output is correct
13	Correct	71 ms	4020 KB	Output is correct
14	Correct	639 ms	23032 KB	Output is correct
15	Correct	63 ms	4088 KB	Output is correct
16	Correct	802 ms	21852 KB	Output is correct
17	Correct	574 ms	21596 KB	Output is correct
18	Correct	2 ms	376 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	7 ms	632 KB	Output is correct
3	Correct	8 ms	632 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	348 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	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 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	7 ms	632 KB	Output is correct
17	Correct	65 ms	2040 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 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	380 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	2 ms	376 KB	Output is correct
28	Correct	438 ms	16092 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	592 ms	16980 KB	Output is correct
31	Correct	597 ms	16996 KB	Output is correct
32	Correct	603 ms	19052 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	586 ms	17656 KB	Output is correct
35	Correct	589 ms	18608 KB	Output is correct
36	Correct	577 ms	18936 KB	Output is correct
37	Correct	640 ms	18964 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	58 ms	5624 KB	Output is correct
40	Correct	62 ms	5624 KB	Output is correct
41	Correct	59 ms	5624 KB	Output is correct
42	Correct	61 ms	4768 KB	Output is correct
43	Correct	59 ms	5628 KB	Output is correct
44	Correct	65 ms	5688 KB	Output is correct
45	Correct	60 ms	5752 KB	Output is correct
46	Correct	65 ms	5624 KB	Output is correct
47	Correct	58 ms	5624 KB	Output is correct
48	Correct	65 ms	5628 KB	Output is correct
49	Correct	69 ms	5624 KB	Output is correct
50	Correct	61 ms	5624 KB	Output is correct
51	Correct	596 ms	53040 KB	Output is correct
52	Correct	584 ms	53304 KB	Output is correct
53	Correct	644 ms	52928 KB	Output is correct
54	Correct	64 ms	5624 KB	Output is correct
55	Correct	58 ms	5548 KB	Output is correct
56	Correct	186 ms	18176 KB	Output is correct
57	Correct	2 ms	376 KB	Output is correct
58	Correct	64 ms	3400 KB	Output is correct
59	Correct	64 ms	2104 KB	Output is correct
60	Correct	659 ms	19448 KB	Output is correct
61	Correct	63 ms	2040 KB	Output is correct
62	Correct	66 ms	3120 KB	Output is correct
63	Correct	65 ms	3600 KB	Output is correct
64	Correct	64 ms	1912 KB	Output is correct
65	Correct	62 ms	2956 KB	Output is correct
66	Correct	64 ms	1920 KB	Output is correct
67	Correct	63 ms	2808 KB	Output is correct
68	Correct	58 ms	4092 KB	Output is correct
69	Correct	71 ms	4020 KB	Output is correct
70	Correct	639 ms	23032 KB	Output is correct
71	Correct	63 ms	4088 KB	Output is correct
72	Correct	802 ms	21852 KB	Output is correct
73	Correct	574 ms	21596 KB	Output is correct
74	Correct	2 ms	376 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	416 KB	Output is correct
78	Correct	2 ms	376 KB	Output is correct
79	Correct	8 ms	888 KB	Output is correct
80	Correct	671 ms	31492 KB	Output is correct
81	Correct	680 ms	30980 KB	Output is correct
82	Correct	643 ms	31348 KB	Output is correct
83	Correct	637 ms	31148 KB	Output is correct
84	Correct	643 ms	31420 KB	Output is correct
85	Correct	639 ms	31508 KB	Output is correct
86	Correct	184 ms	18112 KB	Output is correct
87	Correct	2 ms	376 KB	Output is correct

Submission #172105

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