Submission #1044709

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1044709	2024-08-05T12:40:05 Z	vjudge1	Strange Device (APIO19_strange_device)	C++17	100 / 100	280 ms	40880 KB

strange_device

#include <bits/stdc++.h>
#define fast cin.tie(0)->sync_with_stdio(0);
#define int long long
#define inf ((int)1e18)
using namespace std;
const int C = inf;

int32_t main(){
	fast
	int n, a, b;
	cin >> n >> a >> b;
	__int128__ g = gcd(a, b + 1);
	__int128__ temp = (__int128__)a / g * b;
	if(temp > C) {
		int sum = 0;
		for(int i = 0; i < n; i++) {
			int l, r;
			cin >> l >> r;
			sum += r - l + 1;
		}
		cout << sum;
		return 0;
	}
	int tekrar = temp;
	vector <pair<int, int> > ranges;
	for(int i = 0; i < n; i++) {
		int l, r;
		cin >> l >> r;
		if(r - l + 1 >= tekrar) {
			cout << tekrar;
			return 0;
		}
		int ll = l % tekrar, rr = r % tekrar;
		if(ll <= rr) {
			ranges.push_back({ll, rr});
		}
		else {
			ranges.push_back({0, rr});
			ranges.push_back({ll, tekrar - 1});
		}
	}
	sort(ranges.begin(), ranges.end());
	int lastr = -inf, ans = 0;
	for(auto [l, r]:ranges) {
		if(l > lastr) {
			ans += r - l + 1;
		}
		else {
			ans += max(0ll, r - lastr);
		}
		lastr = max(lastr, r);
	}
	cout << ans;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	4 ms	736 KB	Output is correct
3	Correct	3 ms	860 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	0 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	428 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	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	736 KB	Output is correct
17	Correct	29 ms	2520 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	146 ms	17576 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	252 ms	19760 KB	Output is correct
3	Correct	241 ms	40228 KB	Output is correct
4	Correct	236 ms	40276 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	252 ms	19760 KB	Output is correct
3	Correct	241 ms	40228 KB	Output is correct
4	Correct	236 ms	40276 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	241 ms	40684 KB	Output is correct
7	Correct	232 ms	40268 KB	Output is correct
8	Correct	237 ms	40368 KB	Output is correct
9	Correct	253 ms	40112 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	252 ms	19760 KB	Output is correct
3	Correct	241 ms	40228 KB	Output is correct
4	Correct	236 ms	40276 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	22 ms	4832 KB	Output is correct
7	Correct	24 ms	4684 KB	Output is correct
8	Correct	24 ms	5068 KB	Output is correct
9	Correct	25 ms	4812 KB	Output is correct
10	Correct	23 ms	4804 KB	Output is correct
11	Correct	26 ms	4708 KB	Output is correct
12	Correct	25 ms	4808 KB	Output is correct
13	Correct	27 ms	4812 KB	Output is correct
14	Correct	23 ms	4812 KB	Output is correct
15	Correct	29 ms	4692 KB	Output is correct
16	Correct	27 ms	4808 KB	Output is correct
17	Correct	25 ms	4600 KB	Output is correct
18	Correct	232 ms	40368 KB	Output is correct
19	Correct	244 ms	40164 KB	Output is correct
20	Correct	269 ms	40208 KB	Output is correct
21	Correct	25 ms	4812 KB	Output is correct
22	Correct	23 ms	4804 KB	Output is correct
23	Correct	70 ms	17140 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	25 ms	2832 KB	Output is correct
3	Correct	24 ms	2608 KB	Output is correct
4	Correct	276 ms	40368 KB	Output is correct
5	Correct	26 ms	4812 KB	Output is correct
6	Correct	27 ms	4748 KB	Output is correct
7	Correct	26 ms	4688 KB	Output is correct
8	Correct	26 ms	4808 KB	Output is correct
9	Correct	25 ms	4812 KB	Output is correct
10	Correct	31 ms	4816 KB	Output is correct
11	Correct	26 ms	4628 KB	Output is correct
12	Correct	22 ms	4736 KB	Output is correct
13	Correct	30 ms	4804 KB	Output is correct
14	Correct	272 ms	40092 KB	Output is correct
15	Correct	24 ms	4816 KB	Output is correct
16	Correct	233 ms	40196 KB	Output is correct
17	Correct	225 ms	40064 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	344 KB	Output is correct
2	Correct	4 ms	736 KB	Output is correct
3	Correct	3 ms	860 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	0 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	428 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	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	736 KB	Output is correct
17	Correct	29 ms	2520 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	146 ms	17576 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	252 ms	19760 KB	Output is correct
31	Correct	241 ms	40228 KB	Output is correct
32	Correct	236 ms	40276 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	241 ms	40684 KB	Output is correct
35	Correct	232 ms	40268 KB	Output is correct
36	Correct	237 ms	40368 KB	Output is correct
37	Correct	253 ms	40112 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	22 ms	4832 KB	Output is correct
40	Correct	24 ms	4684 KB	Output is correct
41	Correct	24 ms	5068 KB	Output is correct
42	Correct	25 ms	4812 KB	Output is correct
43	Correct	23 ms	4804 KB	Output is correct
44	Correct	26 ms	4708 KB	Output is correct
45	Correct	25 ms	4808 KB	Output is correct
46	Correct	27 ms	4812 KB	Output is correct
47	Correct	23 ms	4812 KB	Output is correct
48	Correct	29 ms	4692 KB	Output is correct
49	Correct	27 ms	4808 KB	Output is correct
50	Correct	25 ms	4600 KB	Output is correct
51	Correct	232 ms	40368 KB	Output is correct
52	Correct	244 ms	40164 KB	Output is correct
53	Correct	269 ms	40208 KB	Output is correct
54	Correct	25 ms	4812 KB	Output is correct
55	Correct	23 ms	4804 KB	Output is correct
56	Correct	70 ms	17140 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	25 ms	2832 KB	Output is correct
59	Correct	24 ms	2608 KB	Output is correct
60	Correct	276 ms	40368 KB	Output is correct
61	Correct	26 ms	4812 KB	Output is correct
62	Correct	27 ms	4748 KB	Output is correct
63	Correct	26 ms	4688 KB	Output is correct
64	Correct	26 ms	4808 KB	Output is correct
65	Correct	25 ms	4812 KB	Output is correct
66	Correct	31 ms	4816 KB	Output is correct
67	Correct	26 ms	4628 KB	Output is correct
68	Correct	22 ms	4736 KB	Output is correct
69	Correct	30 ms	4804 KB	Output is correct
70	Correct	272 ms	40092 KB	Output is correct
71	Correct	24 ms	4816 KB	Output is correct
72	Correct	233 ms	40196 KB	Output is correct
73	Correct	225 ms	40064 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	344 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	3 ms	1152 KB	Output is correct
80	Correct	280 ms	40876 KB	Output is correct
81	Correct	263 ms	40880 KB	Output is correct
82	Correct	266 ms	40200 KB	Output is correct
83	Correct	251 ms	39856 KB	Output is correct
84	Correct	254 ms	40400 KB	Output is correct
85	Correct	262 ms	39988 KB	Output is correct
86	Correct	75 ms	16320 KB	Output is correct
87	Correct	0 ms	344 KB	Output is correct

Submission #1044709

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