Submission #393918

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
393918	2021-04-24T22:17:05 Z	ritul_kr_singh	Strange Device (APIO19_strange_device)	C++17	100 / 100	585 ms	53400 KB

strange_device

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << ' ' <<
#define nl << '\n'

const int INF = 1e18;

signed main(){
	cin.tie(0)->sync_with_stdio(0);

	int n, A, B, l, r; cin >> n >> A >> B;

	int g = A / __gcd(A, B + 1LL);

	if(g > (INF + 5LL) / B) g = INF + 5;
	else g *= B;

	vector<array<int, 2>> q;
	bool all = false;

	while(n--){
		cin >> l >> r;
		int lm = l % g, rm = r % g;
		// if(l + (g - lm) <= r) q.push_back({lm, g-1}), q.push_back({0, rm});
		// else q.push_back({lm, rm});
		all = all or (r - l + 1LL >= g);
		if(lm <= rm) q.push_back({lm, rm});
		else q.push_back({lm, g-1LL}), q.push_back({0, rm});
	}

	int res = 0;
	l = -1, r = -2;
	sort(q.begin(), q.end());

	for(auto &i : q){
		if(r < i[0]){
			res += r - l + 1LL;
			l = i[0], r = i[1];
		}else r = max(r, i[1]);
	}

	res += r - l + 1LL;

	if(all) res = g;

	cout << res;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	5 ms	592 KB	Output is correct
3	Correct	5 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 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	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	5 ms	976 KB	Output is correct
17	Correct	54 ms	5656 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	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 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	1 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	332 KB	Output is correct
5	Correct	501 ms	41312 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	487 ms	16808 KB	Output is correct
3	Correct	475 ms	16780 KB	Output is correct
4	Correct	585 ms	16808 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	487 ms	16808 KB	Output is correct
3	Correct	475 ms	16780 KB	Output is correct
4	Correct	585 ms	16808 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	480 ms	16784 KB	Output is correct
7	Correct	478 ms	16836 KB	Output is correct
8	Correct	476 ms	16804 KB	Output is correct
9	Correct	512 ms	16752 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	487 ms	16808 KB	Output is correct
3	Correct	475 ms	16780 KB	Output is correct
4	Correct	585 ms	16808 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	48 ms	2504 KB	Output is correct
7	Correct	52 ms	2416 KB	Output is correct
8	Correct	47 ms	2436 KB	Output is correct
9	Correct	47 ms	2504 KB	Output is correct
10	Correct	46 ms	2504 KB	Output is correct
11	Correct	49 ms	2452 KB	Output is correct
12	Correct	45 ms	2548 KB	Output is correct
13	Correct	49 ms	2488 KB	Output is correct
14	Correct	46 ms	2408 KB	Output is correct
15	Correct	51 ms	2444 KB	Output is correct
16	Correct	52 ms	5696 KB	Output is correct
17	Correct	48 ms	5692 KB	Output is correct
18	Correct	491 ms	53292 KB	Output is correct
19	Correct	483 ms	53268 KB	Output is correct
20	Correct	538 ms	53400 KB	Output is correct
21	Correct	52 ms	5692 KB	Output is correct
22	Correct	48 ms	5696 KB	Output is correct
23	Correct	160 ms	18420 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	50 ms	2492 KB	Output is correct
3	Correct	50 ms	2504 KB	Output is correct
4	Correct	568 ms	16836 KB	Output is correct
5	Correct	49 ms	2496 KB	Output is correct
6	Correct	50 ms	2492 KB	Output is correct
7	Correct	51 ms	2412 KB	Output is correct
8	Correct	51 ms	2436 KB	Output is correct
9	Correct	50 ms	2444 KB	Output is correct
10	Correct	50 ms	2524 KB	Output is correct
11	Correct	62 ms	2496 KB	Output is correct
12	Correct	44 ms	2456 KB	Output is correct
13	Correct	50 ms	2504 KB	Output is correct
14	Correct	520 ms	16820 KB	Output is correct
15	Correct	51 ms	5688 KB	Output is correct
16	Correct	519 ms	53240 KB	Output is correct
17	Correct	499 ms	53228 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	5 ms	592 KB	Output is correct
3	Correct	5 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 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	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	5 ms	976 KB	Output is correct
17	Correct	54 ms	5656 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 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	332 KB	Output is correct
28	Correct	501 ms	41312 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	487 ms	16808 KB	Output is correct
31	Correct	475 ms	16780 KB	Output is correct
32	Correct	585 ms	16808 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	480 ms	16784 KB	Output is correct
35	Correct	478 ms	16836 KB	Output is correct
36	Correct	476 ms	16804 KB	Output is correct
37	Correct	512 ms	16752 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	48 ms	2504 KB	Output is correct
40	Correct	52 ms	2416 KB	Output is correct
41	Correct	47 ms	2436 KB	Output is correct
42	Correct	47 ms	2504 KB	Output is correct
43	Correct	46 ms	2504 KB	Output is correct
44	Correct	49 ms	2452 KB	Output is correct
45	Correct	45 ms	2548 KB	Output is correct
46	Correct	49 ms	2488 KB	Output is correct
47	Correct	46 ms	2408 KB	Output is correct
48	Correct	51 ms	2444 KB	Output is correct
49	Correct	52 ms	5696 KB	Output is correct
50	Correct	48 ms	5692 KB	Output is correct
51	Correct	491 ms	53292 KB	Output is correct
52	Correct	483 ms	53268 KB	Output is correct
53	Correct	538 ms	53400 KB	Output is correct
54	Correct	52 ms	5692 KB	Output is correct
55	Correct	48 ms	5696 KB	Output is correct
56	Correct	160 ms	18420 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	50 ms	2492 KB	Output is correct
59	Correct	50 ms	2504 KB	Output is correct
60	Correct	568 ms	16836 KB	Output is correct
61	Correct	49 ms	2496 KB	Output is correct
62	Correct	50 ms	2492 KB	Output is correct
63	Correct	51 ms	2412 KB	Output is correct
64	Correct	51 ms	2436 KB	Output is correct
65	Correct	50 ms	2444 KB	Output is correct
66	Correct	50 ms	2524 KB	Output is correct
67	Correct	62 ms	2496 KB	Output is correct
68	Correct	44 ms	2456 KB	Output is correct
69	Correct	50 ms	2504 KB	Output is correct
70	Correct	520 ms	16820 KB	Output is correct
71	Correct	51 ms	5688 KB	Output is correct
72	Correct	519 ms	53240 KB	Output is correct
73	Correct	499 ms	53228 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	1 ms	204 KB	Output is correct
76	Correct	1 ms	316 KB	Output is correct
77	Correct	1 ms	204 KB	Output is correct
78	Correct	1 ms	204 KB	Output is correct
79	Correct	5 ms	1060 KB	Output is correct
80	Correct	570 ms	53196 KB	Output is correct
81	Correct	578 ms	53260 KB	Output is correct
82	Correct	572 ms	53232 KB	Output is correct
83	Correct	549 ms	53184 KB	Output is correct
84	Correct	540 ms	53244 KB	Output is correct
85	Correct	548 ms	53276 KB	Output is correct
86	Correct	232 ms	18408 KB	Output is correct
87	Correct	1 ms	204 KB	Output is correct

Submission #393918

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