Submission #447198

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
447198	2021-07-25T05:42:28 Z	Ya_Ali	Strange Device (APIO19_strange_device)	C++17	100 / 100	598 ms	53260 KB

strange_device

/* ** *** In the name of God *** ** */
// Only Haider is Amir al-Momenin
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;
const ll maxn = 1e5 + 10;
const ll mod = 1e9 + 7;
const ll inf = 1e18 + 1;
// #define endl '\n'
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
 
	ll n, A, B;
	cin >> n >> A >> B;
	ll x = 1ll * A / __gcd(A, B + 1);
	if (x <= inf / B) x *= B;
	else x = inf;
	vector<pair<ll, ll>> b;
	while (n--) {
		ll l, r;
		cin >> l >> r;
		if (r - l + 1 >= x) return cout << x, 0;
		l %= x, r %= x;
		if (r >= l) b.push_back({l, r});
		else b.push_back({l, x - 1}), b.push_back({0, r});
	}
	sort(b.begin(), b.end());
	ll p = 0, ans = x;
	for (auto i : b) {
		ll l = i.first, r = i.second;
		if (l > p) ans -= (l - p);
		p = max(p, r + 1);
	}
	ans -= (x - p);
	cout << ans;
	return 0;
}
/*
		  _ _ _ _                  _ _ _ _                _ _ _ _
		/      / \                /     / |              /     / |
	       /``````\   \              |`````|  |             |`````|  |
	      /        \   \             |     |  |             |     |  |
	     /          \   \            |     |  |             |     |  |
	    /     /\     \   \           |     |  |             |     |  |
	   /     / /\     \   \          |     |  |             |     |  |
	  /     / /  \     \   \         |     |  |             |     |  |
	 /     / /_ _ \     \   \        |     |  |             |     |  |
	/     /_ _ _ _ \     \   \       |     |  |             |     |  |
       /                      \   \      |     |  |_ _ _ _      |     |  |
      /      _ _ _ _ _ _ _     \   \     |     | /        /|    |     |  |
     /     / /            \     \   \    |     |/_ _ _ _ / |    |     |  |
    /     / /              \     \  /    |               | /    |     | /
   /_ _ _/_/                \_ _ _\/     |_ _ _ _ _ _ _ _|/     |_ _ _|/
*/

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	6 ms	720 KB	Output is correct
3	Correct	6 ms	976 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	5 ms	976 KB	Output is correct
17	Correct	51 ms	5660 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	308 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	328 KB	Output is correct
5	Correct	359 ms	41232 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	512 ms	16832 KB	Output is correct
3	Correct	470 ms	16848 KB	Output is correct
4	Correct	458 ms	16840 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	512 ms	16832 KB	Output is correct
3	Correct	470 ms	16848 KB	Output is correct
4	Correct	458 ms	16840 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	461 ms	16852 KB	Output is correct
7	Correct	464 ms	16808 KB	Output is correct
8	Correct	536 ms	16772 KB	Output is correct
9	Correct	487 ms	16832 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	512 ms	16832 KB	Output is correct
3	Correct	470 ms	16848 KB	Output is correct
4	Correct	458 ms	16840 KB	Output is correct
5	Correct	1 ms	308 KB	Output is correct
6	Correct	47 ms	2544 KB	Output is correct
7	Correct	50 ms	2636 KB	Output is correct
8	Correct	46 ms	2508 KB	Output is correct
9	Correct	46 ms	2496 KB	Output is correct
10	Correct	47 ms	2588 KB	Output is correct
11	Correct	47 ms	2556 KB	Output is correct
12	Correct	44 ms	2512 KB	Output is correct
13	Correct	48 ms	2620 KB	Output is correct
14	Correct	44 ms	2544 KB	Output is correct
15	Correct	54 ms	2604 KB	Output is correct
16	Correct	55 ms	5720 KB	Output is correct
17	Correct	47 ms	5640 KB	Output is correct
18	Correct	486 ms	53100 KB	Output is correct
19	Correct	535 ms	53184 KB	Output is correct
20	Correct	529 ms	53260 KB	Output is correct
21	Correct	51 ms	5692 KB	Output is correct
22	Correct	45 ms	5704 KB	Output is correct
23	Correct	162 ms	18456 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	48 ms	2624 KB	Output is correct
3	Correct	48 ms	2592 KB	Output is correct
4	Correct	552 ms	16752 KB	Output is correct
5	Correct	50 ms	2524 KB	Output is correct
6	Correct	49 ms	2624 KB	Output is correct
7	Correct	47 ms	2620 KB	Output is correct
8	Correct	52 ms	2576 KB	Output is correct
9	Correct	59 ms	2620 KB	Output is correct
10	Correct	50 ms	2532 KB	Output is correct
11	Correct	51 ms	2624 KB	Output is correct
12	Correct	48 ms	2612 KB	Output is correct
13	Correct	48 ms	2588 KB	Output is correct
14	Correct	529 ms	16844 KB	Output is correct
15	Correct	52 ms	5704 KB	Output is correct
16	Correct	492 ms	53136 KB	Output is correct
17	Correct	475 ms	53144 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	6 ms	720 KB	Output is correct
3	Correct	6 ms	976 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	5 ms	976 KB	Output is correct
17	Correct	51 ms	5660 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	308 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	328 KB	Output is correct
28	Correct	359 ms	41232 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	512 ms	16832 KB	Output is correct
31	Correct	470 ms	16848 KB	Output is correct
32	Correct	458 ms	16840 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	461 ms	16852 KB	Output is correct
35	Correct	464 ms	16808 KB	Output is correct
36	Correct	536 ms	16772 KB	Output is correct
37	Correct	487 ms	16832 KB	Output is correct
38	Correct	1 ms	308 KB	Output is correct
39	Correct	47 ms	2544 KB	Output is correct
40	Correct	50 ms	2636 KB	Output is correct
41	Correct	46 ms	2508 KB	Output is correct
42	Correct	46 ms	2496 KB	Output is correct
43	Correct	47 ms	2588 KB	Output is correct
44	Correct	47 ms	2556 KB	Output is correct
45	Correct	44 ms	2512 KB	Output is correct
46	Correct	48 ms	2620 KB	Output is correct
47	Correct	44 ms	2544 KB	Output is correct
48	Correct	54 ms	2604 KB	Output is correct
49	Correct	55 ms	5720 KB	Output is correct
50	Correct	47 ms	5640 KB	Output is correct
51	Correct	486 ms	53100 KB	Output is correct
52	Correct	535 ms	53184 KB	Output is correct
53	Correct	529 ms	53260 KB	Output is correct
54	Correct	51 ms	5692 KB	Output is correct
55	Correct	45 ms	5704 KB	Output is correct
56	Correct	162 ms	18456 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	48 ms	2624 KB	Output is correct
59	Correct	48 ms	2592 KB	Output is correct
60	Correct	552 ms	16752 KB	Output is correct
61	Correct	50 ms	2524 KB	Output is correct
62	Correct	49 ms	2624 KB	Output is correct
63	Correct	47 ms	2620 KB	Output is correct
64	Correct	52 ms	2576 KB	Output is correct
65	Correct	59 ms	2620 KB	Output is correct
66	Correct	50 ms	2532 KB	Output is correct
67	Correct	51 ms	2624 KB	Output is correct
68	Correct	48 ms	2612 KB	Output is correct
69	Correct	48 ms	2588 KB	Output is correct
70	Correct	529 ms	16844 KB	Output is correct
71	Correct	52 ms	5704 KB	Output is correct
72	Correct	492 ms	53136 KB	Output is correct
73	Correct	475 ms	53144 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	0 ms	204 KB	Output is correct
76	Correct	0 ms	204 KB	Output is correct
77	Correct	1 ms	204 KB	Output is correct
78	Correct	0 ms	204 KB	Output is correct
79	Correct	5 ms	976 KB	Output is correct
80	Correct	598 ms	53244 KB	Output is correct
81	Correct	559 ms	53132 KB	Output is correct
82	Correct	516 ms	53260 KB	Output is correct
83	Correct	529 ms	53160 KB	Output is correct
84	Correct	522 ms	53200 KB	Output is correct
85	Correct	570 ms	53192 KB	Output is correct
86	Correct	152 ms	18396 KB	Output is correct
87	Correct	1 ms	204 KB	Output is correct

Submission #447198

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