Submission #977089

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
977089	2024-05-07T11:22:06 Z	dubabuba	Strange Device (APIO19_strange_device)	C++14	100 / 100	1427 ms	99036 KB

strange_device

#include <bits/stdc++.h>
using namespace std;
 
#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	344 KB	Output is correct
2	Correct	11 ms	1112 KB	Output is correct
3	Correct	12 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	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 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	1 ms	344 KB	Output is correct
16	Correct	11 ms	860 KB	Output is correct
17	Correct	110 ms	6592 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	1 ms	348 KB	Output is correct
4	Correct	0 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	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	2 ms	348 KB	Output is correct
5	Correct	670 ms	348 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1099 ms	63092 KB	Output is correct
3	Correct	1133 ms	62984 KB	Output is correct
4	Correct	1132 ms	62840 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1099 ms	63092 KB	Output is correct
3	Correct	1133 ms	62984 KB	Output is correct
4	Correct	1132 ms	62840 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1133 ms	62912 KB	Output is correct
7	Correct	1114 ms	62976 KB	Output is correct
8	Correct	1117 ms	62904 KB	Output is correct
9	Correct	1155 ms	63268 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1099 ms	63092 KB	Output is correct
3	Correct	1133 ms	62984 KB	Output is correct
4	Correct	1132 ms	62840 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	105 ms	6652 KB	Output is correct
7	Correct	107 ms	6480 KB	Output is correct
8	Correct	108 ms	6644 KB	Output is correct
9	Correct	126 ms	6788 KB	Output is correct
10	Correct	107 ms	6484 KB	Output is correct
11	Correct	107 ms	6460 KB	Output is correct
12	Correct	107 ms	6564 KB	Output is correct
13	Correct	109 ms	6592 KB	Output is correct
14	Correct	112 ms	10244 KB	Output is correct
15	Correct	120 ms	10284 KB	Output is correct
16	Correct	138 ms	10228 KB	Output is correct
17	Correct	112 ms	10668 KB	Output is correct
18	Correct	1156 ms	98704 KB	Output is correct
19	Correct	1140 ms	98808 KB	Output is correct
20	Correct	1160 ms	99036 KB	Output is correct
21	Correct	110 ms	10324 KB	Output is correct
22	Correct	108 ms	10172 KB	Output is correct
23	Correct	336 ms	12820 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	600 KB	Output is correct
2	Correct	129 ms	6448 KB	Output is correct
3	Correct	112 ms	6448 KB	Output is correct
4	Correct	1137 ms	98676 KB	Output is correct
5	Correct	113 ms	10320 KB	Output is correct
6	Correct	111 ms	10288 KB	Output is correct
7	Correct	111 ms	10208 KB	Output is correct
8	Correct	140 ms	10296 KB	Output is correct
9	Correct	111 ms	10320 KB	Output is correct
10	Correct	108 ms	10260 KB	Output is correct
11	Correct	110 ms	10324 KB	Output is correct
12	Correct	116 ms	10192 KB	Output is correct
13	Correct	124 ms	10412 KB	Output is correct
14	Correct	1178 ms	98760 KB	Output is correct
15	Correct	109 ms	10320 KB	Output is correct
16	Correct	1147 ms	98788 KB	Output is correct
17	Correct	1177 ms	98876 KB	Output is correct
18	Correct	0 ms	344 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	11 ms	1112 KB	Output is correct
3	Correct	12 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	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 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	1 ms	344 KB	Output is correct
16	Correct	11 ms	860 KB	Output is correct
17	Correct	110 ms	6592 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	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	2 ms	348 KB	Output is correct
28	Correct	670 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1099 ms	63092 KB	Output is correct
31	Correct	1133 ms	62984 KB	Output is correct
32	Correct	1132 ms	62840 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1133 ms	62912 KB	Output is correct
35	Correct	1114 ms	62976 KB	Output is correct
36	Correct	1117 ms	62904 KB	Output is correct
37	Correct	1155 ms	63268 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	105 ms	6652 KB	Output is correct
40	Correct	107 ms	6480 KB	Output is correct
41	Correct	108 ms	6644 KB	Output is correct
42	Correct	126 ms	6788 KB	Output is correct
43	Correct	107 ms	6484 KB	Output is correct
44	Correct	107 ms	6460 KB	Output is correct
45	Correct	107 ms	6564 KB	Output is correct
46	Correct	109 ms	6592 KB	Output is correct
47	Correct	112 ms	10244 KB	Output is correct
48	Correct	120 ms	10284 KB	Output is correct
49	Correct	138 ms	10228 KB	Output is correct
50	Correct	112 ms	10668 KB	Output is correct
51	Correct	1156 ms	98704 KB	Output is correct
52	Correct	1140 ms	98808 KB	Output is correct
53	Correct	1160 ms	99036 KB	Output is correct
54	Correct	110 ms	10324 KB	Output is correct
55	Correct	108 ms	10172 KB	Output is correct
56	Correct	336 ms	12820 KB	Output is correct
57	Correct	0 ms	600 KB	Output is correct
58	Correct	129 ms	6448 KB	Output is correct
59	Correct	112 ms	6448 KB	Output is correct
60	Correct	1137 ms	98676 KB	Output is correct
61	Correct	113 ms	10320 KB	Output is correct
62	Correct	111 ms	10288 KB	Output is correct
63	Correct	111 ms	10208 KB	Output is correct
64	Correct	140 ms	10296 KB	Output is correct
65	Correct	111 ms	10320 KB	Output is correct
66	Correct	108 ms	10260 KB	Output is correct
67	Correct	110 ms	10324 KB	Output is correct
68	Correct	116 ms	10192 KB	Output is correct
69	Correct	124 ms	10412 KB	Output is correct
70	Correct	1178 ms	98760 KB	Output is correct
71	Correct	109 ms	10320 KB	Output is correct
72	Correct	1147 ms	98788 KB	Output is correct
73	Correct	1177 ms	98876 KB	Output is correct
74	Correct	0 ms	344 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	348 KB	Output is correct
78	Correct	1 ms	344 KB	Output is correct
79	Correct	11 ms	1216 KB	Output is correct
80	Correct	1153 ms	98624 KB	Output is correct
81	Correct	1427 ms	98564 KB	Output is correct
82	Correct	1179 ms	98764 KB	Output is correct
83	Correct	1173 ms	98624 KB	Output is correct
84	Correct	1217 ms	98524 KB	Output is correct
85	Correct	1216 ms	98532 KB	Output is correct
86	Correct	311 ms	12668 KB	Output is correct
87	Correct	1 ms	348 KB	Output is correct

Submission #977089

Compilation message