Submission #727059

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
727059	2023-04-20T02:10:42 Z	SanguineChameleon	Strange Device (APIO19_strange_device)	C++17	100 / 100	627 ms	44380 KB

strange_device

#include <bits/stdc++.h>
using namespace std;

void just_do_it();

int main() {
	#ifdef KAMIRULEZ
		freopen("kamirulez.inp", "r", stdin);
		freopen("kamirulez.out", "w", stdout);
	#endif
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	just_do_it();
	return 0;
}

const int maxN = 1e6 + 20;
const long long inf = 1e18L + 20;
long long L[maxN];
long long R[maxN];

long long mul(long long x, long long y) {
	if (x > inf / y) {
		return inf;
	}
	else {
		return x * y;
	}
}

void just_do_it() {
	int N;
	long long A, B;
	cin >> N >> A >> B;
	for (int i = 0; i < N; i++) {
		cin >> L[i] >> R[i];
	}
	long long cycle = mul(A / __gcd(B + 1, A), B);
	if (cycle == inf) {
		long long res = 0;
		for (int i = 0; i < N; i++) {
			res += R[i] - L[i] + 1;
		}
		cout << res;
		return;
	}
	deque<pair<long long, long long>> q;
	for (int i = 0; i < N; i++) {
		if (R[i] - L[i] + 1 >= cycle) {
			cout << cycle;
			return;
		}
		long long x = L[i] % cycle;
		long long y = R[i] % cycle;
		if (x <= y) {
			q.push_back({x, y});
		}
		else {
			q.push_back({x, cycle - 1});
			q.push_back({0, y});
		}
	}
	sort(q.begin(), q.end());
	long long res = 0;
	while (!q.empty()) {
		if ((int)q.size() >= 2 && q[1].first <= q[0].second) {
			pair<long long, long long> merged = {q[0].first, max(q[0].second, q[1].second)};
			q.pop_front();
			q.pop_front();
			q.push_front(merged);
		}
		else {
			res += q[0].second - q[0].first + 1;
			q.pop_front();
		}
	}
	cout << res;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	596 KB	Output is correct
3	Correct	5 ms	596 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	596 KB	Output is correct
17	Correct	52 ms	3548 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	336 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	302 ms	32500 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	463 ms	32376 KB	Output is correct
3	Correct	469 ms	34220 KB	Output is correct
4	Correct	497 ms	44184 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	463 ms	32376 KB	Output is correct
3	Correct	469 ms	34220 KB	Output is correct
4	Correct	497 ms	44184 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	476 ms	44264 KB	Output is correct
7	Correct	487 ms	44380 KB	Output is correct
8	Correct	489 ms	44248 KB	Output is correct
9	Correct	550 ms	33060 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	463 ms	32376 KB	Output is correct
3	Correct	469 ms	34220 KB	Output is correct
4	Correct	497 ms	44184 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	46 ms	7212 KB	Output is correct
7	Correct	52 ms	7180 KB	Output is correct
8	Correct	47 ms	7244 KB	Output is correct
9	Correct	51 ms	7244 KB	Output is correct
10	Correct	47 ms	7160 KB	Output is correct
11	Correct	54 ms	7380 KB	Output is correct
12	Correct	47 ms	7164 KB	Output is correct
13	Correct	54 ms	7132 KB	Output is correct
14	Correct	47 ms	7224 KB	Output is correct
15	Correct	68 ms	7220 KB	Output is correct
16	Correct	60 ms	7212 KB	Output is correct
17	Correct	53 ms	7156 KB	Output is correct
18	Correct	510 ms	44212 KB	Output is correct
19	Correct	532 ms	44336 KB	Output is correct
20	Correct	585 ms	44252 KB	Output is correct
21	Correct	60 ms	7252 KB	Output is correct
22	Correct	42 ms	7252 KB	Output is correct
23	Correct	147 ms	16648 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	57 ms	7236 KB	Output is correct
3	Correct	55 ms	7216 KB	Output is correct
4	Correct	601 ms	35096 KB	Output is correct
5	Correct	55 ms	7244 KB	Output is correct
6	Correct	54 ms	7248 KB	Output is correct
7	Correct	57 ms	7228 KB	Output is correct
8	Correct	61 ms	7208 KB	Output is correct
9	Correct	55 ms	7224 KB	Output is correct
10	Correct	51 ms	7192 KB	Output is correct
11	Correct	52 ms	7244 KB	Output is correct
12	Correct	44 ms	7148 KB	Output is correct
13	Correct	58 ms	7212 KB	Output is correct
14	Correct	555 ms	33988 KB	Output is correct
15	Correct	74 ms	7240 KB	Output is correct
16	Correct	585 ms	33180 KB	Output is correct
17	Correct	424 ms	33052 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	596 KB	Output is correct
3	Correct	5 ms	596 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	5 ms	596 KB	Output is correct
17	Correct	52 ms	3548 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	336 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	302 ms	32500 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	463 ms	32376 KB	Output is correct
31	Correct	469 ms	34220 KB	Output is correct
32	Correct	497 ms	44184 KB	Output is correct
33	Correct	0 ms	340 KB	Output is correct
34	Correct	476 ms	44264 KB	Output is correct
35	Correct	487 ms	44380 KB	Output is correct
36	Correct	489 ms	44248 KB	Output is correct
37	Correct	550 ms	33060 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	46 ms	7212 KB	Output is correct
40	Correct	52 ms	7180 KB	Output is correct
41	Correct	47 ms	7244 KB	Output is correct
42	Correct	51 ms	7244 KB	Output is correct
43	Correct	47 ms	7160 KB	Output is correct
44	Correct	54 ms	7380 KB	Output is correct
45	Correct	47 ms	7164 KB	Output is correct
46	Correct	54 ms	7132 KB	Output is correct
47	Correct	47 ms	7224 KB	Output is correct
48	Correct	68 ms	7220 KB	Output is correct
49	Correct	60 ms	7212 KB	Output is correct
50	Correct	53 ms	7156 KB	Output is correct
51	Correct	510 ms	44212 KB	Output is correct
52	Correct	532 ms	44336 KB	Output is correct
53	Correct	585 ms	44252 KB	Output is correct
54	Correct	60 ms	7252 KB	Output is correct
55	Correct	42 ms	7252 KB	Output is correct
56	Correct	147 ms	16648 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	57 ms	7236 KB	Output is correct
59	Correct	55 ms	7216 KB	Output is correct
60	Correct	601 ms	35096 KB	Output is correct
61	Correct	55 ms	7244 KB	Output is correct
62	Correct	54 ms	7248 KB	Output is correct
63	Correct	57 ms	7228 KB	Output is correct
64	Correct	61 ms	7208 KB	Output is correct
65	Correct	55 ms	7224 KB	Output is correct
66	Correct	51 ms	7192 KB	Output is correct
67	Correct	52 ms	7244 KB	Output is correct
68	Correct	44 ms	7148 KB	Output is correct
69	Correct	58 ms	7212 KB	Output is correct
70	Correct	555 ms	33988 KB	Output is correct
71	Correct	74 ms	7240 KB	Output is correct
72	Correct	585 ms	33180 KB	Output is correct
73	Correct	424 ms	33052 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	0 ms	332 KB	Output is correct
76	Correct	1 ms	340 KB	Output is correct
77	Correct	1 ms	340 KB	Output is correct
78	Correct	1 ms	340 KB	Output is correct
79	Correct	5 ms	980 KB	Output is correct
80	Correct	627 ms	41100 KB	Output is correct
81	Correct	605 ms	41024 KB	Output is correct
82	Correct	589 ms	41076 KB	Output is correct
83	Correct	547 ms	41044 KB	Output is correct
84	Correct	589 ms	41116 KB	Output is correct
85	Correct	578 ms	41036 KB	Output is correct
86	Correct	149 ms	23628 KB	Output is correct
87	Correct	1 ms	332 KB	Output is correct

Submission #727059

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