Submission #977090

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
977090	2024-05-07T11:23:23 Z	dubabuba	Strange Device (APIO19_strange_device)	C++14	100 / 100	1211 ms	63200 KB

strange_device

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

#pragma GCC optimize("O3")
#pragma GCC target("avx2")
 
#define int long long
typedef pair<int, int> pii;
#define ff first
#define ss second
#define MP make_pair
 
int gcd(int a, int b) {
	if(a == 0) return b;
	if(b == 0) return a;
	return gcd(b % a, a);
}
 
signed main() {
	int a, b, n, t;
	cin >> n >> a >> b;
	int d = gcd(a, b + 1);

	double sda = 1.0  * a / d * b;
	if(sda <= 1e18) t = a / d * b;
	else t = 1e18;
	set<pii> v;
 
	int l, r; bool gay = false;
	for(int i = 0; i < n; i++) {
		cin >> l >> r;
		if(r - l + 1 >= t) {
			gay = 1;
			continue;
		}
 
		l %= t;
		r %= t;
 
		if(l <= r) {
			// root->upt(l, r);
			v.insert(MP(l, r));
		}
		else {
			// root->upt(l, t - 1);
			// root->upt(0, r);
			v.insert(MP(l, t - 1));
			v.insert(MP(0, r));
		}
	}
 
	if(gay) {
		cout << t << endl;
		// if(t == (int) 1e18)
			// return 1;
		return 0;
	}

	v.insert(MP(2e18, 2e18));
 
	int ans = 0;
	l = (*v.begin()).ff, r = l;
	for(pii p : v) {
		if(r < p.ff) {
			ans += (r - l + 1);
			l = p.ff;
			r = p.ss;
		}
		r = max(r, p.ss);
	}

	if(ans < 0) return 1;
	cout << ans << endl;
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	11 ms	860 KB	Output is correct
3	Correct	11 ms	860 KB	Output is correct
4	Correct	1 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	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	344 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	11 ms	860 KB	Output is correct
17	Correct	131 ms	6492 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	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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	1 ms	348 KB	Output is correct
3	Correct	2 ms	344 KB	Output is correct
4	Correct	2 ms	348 KB	Output is correct
5	Correct	708 ms	408 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	1104 ms	63072 KB	Output is correct
3	Correct	1129 ms	63028 KB	Output is correct
4	Correct	1144 ms	63088 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	1104 ms	63072 KB	Output is correct
3	Correct	1129 ms	63028 KB	Output is correct
4	Correct	1144 ms	63088 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	1136 ms	62904 KB	Output is correct
7	Correct	1122 ms	63008 KB	Output is correct
8	Correct	1111 ms	62964 KB	Output is correct
9	Correct	1139 ms	62860 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	1104 ms	63072 KB	Output is correct
3	Correct	1129 ms	63028 KB	Output is correct
4	Correct	1144 ms	63088 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	107 ms	6432 KB	Output is correct
7	Correct	107 ms	6468 KB	Output is correct
8	Correct	111 ms	6544 KB	Output is correct
9	Correct	110 ms	6636 KB	Output is correct
10	Correct	107 ms	6484 KB	Output is correct
11	Correct	126 ms	6484 KB	Output is correct
12	Correct	119 ms	6516 KB	Output is correct
13	Correct	109 ms	6664 KB	Output is correct
14	Correct	107 ms	6512 KB	Output is correct
15	Correct	118 ms	6736 KB	Output is correct
16	Correct	112 ms	6484 KB	Output is correct
17	Correct	115 ms	6484 KB	Output is correct
18	Correct	1123 ms	63148 KB	Output is correct
19	Correct	1173 ms	63144 KB	Output is correct
20	Correct	1145 ms	63152 KB	Output is correct
21	Correct	114 ms	6484 KB	Output is correct
22	Correct	110 ms	6484 KB	Output is correct
23	Correct	310 ms	408 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	116 ms	6584 KB	Output is correct
3	Correct	115 ms	6656 KB	Output is correct
4	Correct	1167 ms	62964 KB	Output is correct
5	Correct	110 ms	6484 KB	Output is correct
6	Correct	113 ms	6484 KB	Output is correct
7	Correct	111 ms	6484 KB	Output is correct
8	Correct	110 ms	6484 KB	Output is correct
9	Correct	111 ms	6640 KB	Output is correct
10	Correct	108 ms	6480 KB	Output is correct
11	Correct	111 ms	6464 KB	Output is correct
12	Correct	110 ms	6628 KB	Output is correct
13	Correct	110 ms	6500 KB	Output is correct
14	Correct	1176 ms	62912 KB	Output is correct
15	Correct	107 ms	6484 KB	Output is correct
16	Correct	1148 ms	63080 KB	Output is correct
17	Correct	1120 ms	62904 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	348 KB	Output is correct
2	Correct	11 ms	860 KB	Output is correct
3	Correct	11 ms	860 KB	Output is correct
4	Correct	1 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	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	344 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	11 ms	860 KB	Output is correct
17	Correct	131 ms	6492 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	2 ms	344 KB	Output is correct
27	Correct	2 ms	348 KB	Output is correct
28	Correct	708 ms	408 KB	Output is correct
29	Correct	0 ms	344 KB	Output is correct
30	Correct	1104 ms	63072 KB	Output is correct
31	Correct	1129 ms	63028 KB	Output is correct
32	Correct	1144 ms	63088 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	1136 ms	62904 KB	Output is correct
35	Correct	1122 ms	63008 KB	Output is correct
36	Correct	1111 ms	62964 KB	Output is correct
37	Correct	1139 ms	62860 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	107 ms	6432 KB	Output is correct
40	Correct	107 ms	6468 KB	Output is correct
41	Correct	111 ms	6544 KB	Output is correct
42	Correct	110 ms	6636 KB	Output is correct
43	Correct	107 ms	6484 KB	Output is correct
44	Correct	126 ms	6484 KB	Output is correct
45	Correct	119 ms	6516 KB	Output is correct
46	Correct	109 ms	6664 KB	Output is correct
47	Correct	107 ms	6512 KB	Output is correct
48	Correct	118 ms	6736 KB	Output is correct
49	Correct	112 ms	6484 KB	Output is correct
50	Correct	115 ms	6484 KB	Output is correct
51	Correct	1123 ms	63148 KB	Output is correct
52	Correct	1173 ms	63144 KB	Output is correct
53	Correct	1145 ms	63152 KB	Output is correct
54	Correct	114 ms	6484 KB	Output is correct
55	Correct	110 ms	6484 KB	Output is correct
56	Correct	310 ms	408 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	116 ms	6584 KB	Output is correct
59	Correct	115 ms	6656 KB	Output is correct
60	Correct	1167 ms	62964 KB	Output is correct
61	Correct	110 ms	6484 KB	Output is correct
62	Correct	113 ms	6484 KB	Output is correct
63	Correct	111 ms	6484 KB	Output is correct
64	Correct	110 ms	6484 KB	Output is correct
65	Correct	111 ms	6640 KB	Output is correct
66	Correct	108 ms	6480 KB	Output is correct
67	Correct	111 ms	6464 KB	Output is correct
68	Correct	110 ms	6628 KB	Output is correct
69	Correct	110 ms	6500 KB	Output is correct
70	Correct	1176 ms	62912 KB	Output is correct
71	Correct	107 ms	6484 KB	Output is correct
72	Correct	1148 ms	63080 KB	Output is correct
73	Correct	1120 ms	62904 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	1 ms	348 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	14 ms	968 KB	Output is correct
80	Correct	1161 ms	62940 KB	Output is correct
81	Correct	1148 ms	62948 KB	Output is correct
82	Correct	1211 ms	62780 KB	Output is correct
83	Correct	1144 ms	62824 KB	Output is correct
84	Correct	1199 ms	62888 KB	Output is correct
85	Correct	1141 ms	63200 KB	Output is correct
86	Correct	315 ms	408 KB	Output is correct
87	Correct	1 ms	344 KB	Output is correct

Submission #977090

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