Submission #641084

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
641084	2022-09-16T00:57:02 Z	ymm	Strange Device (APIO19_strange_device)	C++17	100 / 100	1364 ms	20316 KB

strange_device

#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

set<pll> s;

void add(ll l, ll r)
{
	auto it = s.lower_bound(pll{l, -1});
	if (it != s.begin()) {
		--it;
		if (it->second >= r) {
			return;
		} else if (it->second >= l) {
			l = it->first;
			s.erase(it++);
		} else {
			++it;
		}
	}
	while (it != s.end() && r >= it->first) {
		r = max(r, it->second);
		s.erase(it++);
	}
	s.insert({l, r});
}

int main()
{
	ll n, A, B;
	cin >> n >> A >> B;
	__int128 p = (__int128)A * B / __gcd(A, B+1);
	if (p < LONG_LONG_MAX)
		p = p * B / __gcd((ll)p, B);
	Loop (i,0,n) {
		ll l, r;
		cin >> l >> r;
		if (r - l + 1 >= p) {
			l = 0;
			r = p;
		} else {
			l %= p;
			r %= p;
			++r;
		}
		if (l < r) {
			add(l, r);
		} else {
			add(l, p);
			add(0, r);
		}
	}
	ll ans = 0;
	for (auto [x, y] : s)
		ans += y - x;
	cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	13 ms	320 KB	Output is correct
3	Correct	16 ms	520 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	14 ms	520 KB	Output is correct
17	Correct	134 ms	432 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	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 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	2 ms	212 KB	Output is correct
3	Correct	2 ms	212 KB	Output is correct
4	Correct	2 ms	304 KB	Output is correct
5	Correct	970 ms	2724 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	1340 ms	308 KB	Output is correct
3	Correct	1267 ms	292 KB	Output is correct
4	Correct	1274 ms	284 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	1340 ms	308 KB	Output is correct
3	Correct	1267 ms	292 KB	Output is correct
4	Correct	1274 ms	284 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1292 ms	300 KB	Output is correct
7	Correct	1291 ms	304 KB	Output is correct
8	Correct	1325 ms	292 KB	Output is correct
9	Correct	1282 ms	288 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	1340 ms	308 KB	Output is correct
3	Correct	1267 ms	292 KB	Output is correct
4	Correct	1274 ms	284 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	142 ms	296 KB	Output is correct
7	Correct	132 ms	300 KB	Output is correct
8	Correct	133 ms	296 KB	Output is correct
9	Correct	136 ms	212 KB	Output is correct
10	Correct	133 ms	296 KB	Output is correct
11	Correct	128 ms	304 KB	Output is correct
12	Correct	127 ms	212 KB	Output is correct
13	Correct	128 ms	284 KB	Output is correct
14	Correct	151 ms	212 KB	Output is correct
15	Correct	133 ms	212 KB	Output is correct
16	Correct	129 ms	212 KB	Output is correct
17	Correct	128 ms	3980 KB	Output is correct
18	Correct	1323 ms	11660 KB	Output is correct
19	Correct	1332 ms	11688 KB	Output is correct
20	Correct	1294 ms	11696 KB	Output is correct
21	Correct	187 ms	3988 KB	Output is correct
22	Correct	131 ms	3976 KB	Output is correct
23	Correct	436 ms	12808 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	145 ms	296 KB	Output is correct
3	Correct	127 ms	296 KB	Output is correct
4	Correct	1305 ms	308 KB	Output is correct
5	Correct	147 ms	288 KB	Output is correct
6	Correct	133 ms	288 KB	Output is correct
7	Correct	126 ms	284 KB	Output is correct
8	Correct	128 ms	212 KB	Output is correct
9	Correct	129 ms	292 KB	Output is correct
10	Correct	132 ms	296 KB	Output is correct
11	Correct	127 ms	296 KB	Output is correct
12	Correct	153 ms	288 KB	Output is correct
13	Correct	136 ms	212 KB	Output is correct
14	Correct	1295 ms	292 KB	Output is correct
15	Correct	134 ms	288 KB	Output is correct
16	Correct	1306 ms	4408 KB	Output is correct
17	Correct	1315 ms	4336 KB	Output is correct
18	Correct	0 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	13 ms	320 KB	Output is correct
3	Correct	16 ms	520 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	14 ms	520 KB	Output is correct
17	Correct	134 ms	432 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	2 ms	212 KB	Output is correct
26	Correct	2 ms	212 KB	Output is correct
27	Correct	2 ms	304 KB	Output is correct
28	Correct	970 ms	2724 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	1340 ms	308 KB	Output is correct
31	Correct	1267 ms	292 KB	Output is correct
32	Correct	1274 ms	284 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	1292 ms	300 KB	Output is correct
35	Correct	1291 ms	304 KB	Output is correct
36	Correct	1325 ms	292 KB	Output is correct
37	Correct	1282 ms	288 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	142 ms	296 KB	Output is correct
40	Correct	132 ms	300 KB	Output is correct
41	Correct	133 ms	296 KB	Output is correct
42	Correct	136 ms	212 KB	Output is correct
43	Correct	133 ms	296 KB	Output is correct
44	Correct	128 ms	304 KB	Output is correct
45	Correct	127 ms	212 KB	Output is correct
46	Correct	128 ms	284 KB	Output is correct
47	Correct	151 ms	212 KB	Output is correct
48	Correct	133 ms	212 KB	Output is correct
49	Correct	129 ms	212 KB	Output is correct
50	Correct	128 ms	3980 KB	Output is correct
51	Correct	1323 ms	11660 KB	Output is correct
52	Correct	1332 ms	11688 KB	Output is correct
53	Correct	1294 ms	11696 KB	Output is correct
54	Correct	187 ms	3988 KB	Output is correct
55	Correct	131 ms	3976 KB	Output is correct
56	Correct	436 ms	12808 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	145 ms	296 KB	Output is correct
59	Correct	127 ms	296 KB	Output is correct
60	Correct	1305 ms	308 KB	Output is correct
61	Correct	147 ms	288 KB	Output is correct
62	Correct	133 ms	288 KB	Output is correct
63	Correct	126 ms	284 KB	Output is correct
64	Correct	128 ms	212 KB	Output is correct
65	Correct	129 ms	292 KB	Output is correct
66	Correct	132 ms	296 KB	Output is correct
67	Correct	127 ms	296 KB	Output is correct
68	Correct	153 ms	288 KB	Output is correct
69	Correct	136 ms	212 KB	Output is correct
70	Correct	1295 ms	292 KB	Output is correct
71	Correct	134 ms	288 KB	Output is correct
72	Correct	1306 ms	4408 KB	Output is correct
73	Correct	1315 ms	4336 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	1 ms	300 KB	Output is correct
78	Correct	0 ms	212 KB	Output is correct
79	Correct	14 ms	596 KB	Output is correct
80	Correct	1359 ms	20224 KB	Output is correct
81	Correct	1343 ms	20076 KB	Output is correct
82	Correct	1355 ms	20280 KB	Output is correct
83	Correct	1364 ms	20120 KB	Output is correct
84	Correct	1348 ms	20144 KB	Output is correct
85	Correct	1334 ms	20316 KB	Output is correct
86	Correct	433 ms	12808 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #641084

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