Submission #258915

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
258915	2020-08-06T18:36:41 Z	parsa_mobed	Strange Device (APIO19_strange_device)	C++14	100 / 100	2359 ms	18968 KB

strange_device

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define pii pair <int , int>
#define F first
#define S second
const int N = 1e6 + 5, inf = 1e18 + 10;
vector <pii> seg;

int32_t main() {
	int n, A, B, ans = 0; cin >> n >> A >> B;
	A = A / __gcd(A, B + 1);
	int AB = A*B;
	if (inf/(long double)A <= B) {
		for (int i = 0,l,r; i < n; i++) cin >> l >> r, ans += r - l + 1;
		cout << ans << "\n";
		return 0;
	}
	for (int i = 0; i < n; i++) {
		int l, r; cin >> l >> r;
		int L = l + (l % AB ? AB - l % AB : 0);
		if (L + AB <= r + 1) return cout << AB << "\n", 0;
		if (l/AB == r/AB) seg.push_back({l % AB, r % AB});
		else seg.push_back({l % AB, AB - 1}), seg.push_back({0, r % AB}); 
	}
	sort(seg.begin(), seg.end());
	int cl = seg[0].F, cr = seg[0].S;
	for (pii p : seg) {
		int l = p.F, r = p.S;
		if (l <= cr) cr = max(cr, r);
		else ans += cr - cl + 1, cl = l, cr = r;
	}
	cout << ans + cr - cl + 1 << "\n";

	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	22 ms	1024 KB	Output is correct
3	Correct	23 ms	1144 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	23 ms	1144 KB	Output is correct
17	Correct	218 ms	3816 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	3 ms	384 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	1498 ms	18448 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	2134 ms	18048 KB	Output is correct
3	Correct	2146 ms	18196 KB	Output is correct
4	Correct	2109 ms	18256 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	2134 ms	18048 KB	Output is correct
3	Correct	2146 ms	18196 KB	Output is correct
4	Correct	2109 ms	18256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	2109 ms	18332 KB	Output is correct
7	Correct	2120 ms	18308 KB	Output is correct
8	Correct	2090 ms	18256 KB	Output is correct
9	Correct	2143 ms	18252 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	2134 ms	18048 KB	Output is correct
3	Correct	2146 ms	18196 KB	Output is correct
4	Correct	2109 ms	18256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	211 ms	3752 KB	Output is correct
7	Correct	210 ms	3820 KB	Output is correct
8	Correct	209 ms	3820 KB	Output is correct
9	Correct	211 ms	3816 KB	Output is correct
10	Correct	208 ms	3820 KB	Output is correct
11	Correct	211 ms	3820 KB	Output is correct
12	Correct	210 ms	3820 KB	Output is correct
13	Correct	215 ms	3816 KB	Output is correct
14	Correct	214 ms	3816 KB	Output is correct
15	Correct	218 ms	3780 KB	Output is correct
16	Correct	215 ms	3816 KB	Output is correct
17	Correct	211 ms	3820 KB	Output is correct
18	Correct	2093 ms	18276 KB	Output is correct
19	Correct	2089 ms	18284 KB	Output is correct
20	Correct	2180 ms	18384 KB	Output is correct
21	Correct	212 ms	3820 KB	Output is correct
22	Correct	216 ms	3820 KB	Output is correct
23	Correct	711 ms	10112 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	211 ms	3852 KB	Output is correct
3	Correct	217 ms	3816 KB	Output is correct
4	Correct	2177 ms	18256 KB	Output is correct
5	Correct	217 ms	3820 KB	Output is correct
6	Correct	214 ms	3832 KB	Output is correct
7	Correct	215 ms	3820 KB	Output is correct
8	Correct	214 ms	3820 KB	Output is correct
9	Correct	217 ms	3820 KB	Output is correct
10	Correct	216 ms	3820 KB	Output is correct
11	Correct	216 ms	3692 KB	Output is correct
12	Correct	212 ms	3688 KB	Output is correct
13	Correct	216 ms	3948 KB	Output is correct
14	Correct	2359 ms	18384 KB	Output is correct
15	Correct	215 ms	3948 KB	Output is correct
16	Correct	2136 ms	18428 KB	Output is correct
17	Correct	2231 ms	18432 KB	Output is correct
18	Correct	0 ms	256 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	22 ms	1024 KB	Output is correct
3	Correct	23 ms	1144 KB	Output is correct
4	Correct	0 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	0 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	0 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	0 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	23 ms	1144 KB	Output is correct
17	Correct	218 ms	3816 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct
19	Correct	0 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	0 ms	256 KB	Output is correct
22	Correct	0 ms	256 KB	Output is correct
23	Correct	0 ms	256 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	2 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	1498 ms	18448 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	2134 ms	18048 KB	Output is correct
31	Correct	2146 ms	18196 KB	Output is correct
32	Correct	2109 ms	18256 KB	Output is correct
33	Correct	0 ms	256 KB	Output is correct
34	Correct	2109 ms	18332 KB	Output is correct
35	Correct	2120 ms	18308 KB	Output is correct
36	Correct	2090 ms	18256 KB	Output is correct
37	Correct	2143 ms	18252 KB	Output is correct
38	Correct	0 ms	256 KB	Output is correct
39	Correct	211 ms	3752 KB	Output is correct
40	Correct	210 ms	3820 KB	Output is correct
41	Correct	209 ms	3820 KB	Output is correct
42	Correct	211 ms	3816 KB	Output is correct
43	Correct	208 ms	3820 KB	Output is correct
44	Correct	211 ms	3820 KB	Output is correct
45	Correct	210 ms	3820 KB	Output is correct
46	Correct	215 ms	3816 KB	Output is correct
47	Correct	214 ms	3816 KB	Output is correct
48	Correct	218 ms	3780 KB	Output is correct
49	Correct	215 ms	3816 KB	Output is correct
50	Correct	211 ms	3820 KB	Output is correct
51	Correct	2093 ms	18276 KB	Output is correct
52	Correct	2089 ms	18284 KB	Output is correct
53	Correct	2180 ms	18384 KB	Output is correct
54	Correct	212 ms	3820 KB	Output is correct
55	Correct	216 ms	3820 KB	Output is correct
56	Correct	711 ms	10112 KB	Output is correct
57	Correct	0 ms	256 KB	Output is correct
58	Correct	211 ms	3852 KB	Output is correct
59	Correct	217 ms	3816 KB	Output is correct
60	Correct	2177 ms	18256 KB	Output is correct
61	Correct	217 ms	3820 KB	Output is correct
62	Correct	214 ms	3832 KB	Output is correct
63	Correct	215 ms	3820 KB	Output is correct
64	Correct	214 ms	3820 KB	Output is correct
65	Correct	217 ms	3820 KB	Output is correct
66	Correct	216 ms	3820 KB	Output is correct
67	Correct	216 ms	3692 KB	Output is correct
68	Correct	212 ms	3688 KB	Output is correct
69	Correct	216 ms	3948 KB	Output is correct
70	Correct	2359 ms	18384 KB	Output is correct
71	Correct	215 ms	3948 KB	Output is correct
72	Correct	2136 ms	18428 KB	Output is correct
73	Correct	2231 ms	18432 KB	Output is correct
74	Correct	0 ms	256 KB	Output is correct
75	Correct	0 ms	256 KB	Output is correct
76	Correct	0 ms	256 KB	Output is correct
77	Correct	0 ms	256 KB	Output is correct
78	Correct	0 ms	256 KB	Output is correct
79	Correct	22 ms	1024 KB	Output is correct
80	Correct	2189 ms	18660 KB	Output is correct
81	Correct	2159 ms	18640 KB	Output is correct
82	Correct	2135 ms	18640 KB	Output is correct
83	Correct	2136 ms	18968 KB	Output is correct
84	Correct	2153 ms	18684 KB	Output is correct
85	Correct	2274 ms	18736 KB	Output is correct
86	Correct	723 ms	10484 KB	Output is correct
87	Correct	1 ms	384 KB	Output is correct

Submission #258915

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