Submission #926650

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
926650	2024-02-13T13:11:09 Z	oblantis	Strange Device (APIO19_strange_device)	C++17	100 / 100	385 ms	19288 KB

strange_device

#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
#define ih __int128
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int mod = 1e9+7;
const ll inf = 1e18 + 1;
const int maxn = 1e6 + 1;
set<pair<ih, ih>> s;
ll ans;
void upd(ll l, ll r){
	if(s.empty())return;
	vt<pair<ih, ih>> del;
	auto i = s.lower_bound({l, inf});
	if(i != s.begin())i--;
	if((*i).ss < l)i++;
	while(i != s.end() && (*i).ff <= r){
		if((*i).ff < l){
			s.insert({(*i).ff, l - 1});
			ans -= l - (*i).ff;
		}
		if((*i).ss > r){
			s.insert({r + 1, (*i).ss});
			ans -= (*i).ss - r;
		}
		del.pb(*i);
		ans += (*i).ss - (*i).ff + 1;
		i++;
	}
	for(auto i : del)s.erase(i);
}
void solve() {
	int n;
	ih a, b;
	ll A, B;
	cin >> n >> A >> B;
	a = A, b = B;
	ih md = a * b / __gcd(a, b + 1);
	s.insert({0, md - 1});
	for(int i = 0; i < n; i++){
		ll l, r;
		cin >> l >> r;
		if(r - l + 1 >= md){
			ans = md;
			break;
		}
		l %= md, r %= md;
		if(l <= r)upd(l, r);
		else upd(0, r), upd(l, md - 1);
	}
	cout << ans;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int times = 1;
	//cin >> times;
	for(int i = 1; i <= times; i++) {
		solve();
	}
	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	4 ms	348 KB	Output is correct
3	Correct	4 ms	348 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	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	600 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	488 KB	Output is correct
17	Correct	35 ms	348 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	1 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	0 ms	344 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	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	179 ms	432 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	544 KB	Output is correct
2	Correct	342 ms	464 KB	Output is correct
3	Correct	339 ms	456 KB	Output is correct
4	Correct	339 ms	500 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	544 KB	Output is correct
2	Correct	342 ms	464 KB	Output is correct
3	Correct	339 ms	456 KB	Output is correct
4	Correct	339 ms	500 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	341 ms	592 KB	Output is correct
7	Correct	342 ms	344 KB	Output is correct
8	Correct	342 ms	596 KB	Output is correct
9	Correct	343 ms	344 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	544 KB	Output is correct
2	Correct	342 ms	464 KB	Output is correct
3	Correct	339 ms	456 KB	Output is correct
4	Correct	339 ms	500 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	35 ms	492 KB	Output is correct
7	Correct	35 ms	348 KB	Output is correct
8	Correct	35 ms	348 KB	Output is correct
9	Correct	35 ms	348 KB	Output is correct
10	Correct	35 ms	348 KB	Output is correct
11	Correct	34 ms	348 KB	Output is correct
12	Correct	34 ms	348 KB	Output is correct
13	Correct	35 ms	344 KB	Output is correct
14	Correct	34 ms	348 KB	Output is correct
15	Correct	34 ms	452 KB	Output is correct
16	Correct	34 ms	544 KB	Output is correct
17	Correct	34 ms	348 KB	Output is correct
18	Correct	343 ms	348 KB	Output is correct
19	Correct	340 ms	348 KB	Output is correct
20	Correct	344 ms	348 KB	Output is correct
21	Correct	39 ms	452 KB	Output is correct
22	Correct	34 ms	344 KB	Output is correct
23	Correct	77 ms	348 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	34 ms	480 KB	Output is correct
3	Correct	34 ms	348 KB	Output is correct
4	Correct	366 ms	456 KB	Output is correct
5	Correct	34 ms	348 KB	Output is correct
6	Correct	34 ms	348 KB	Output is correct
7	Correct	34 ms	348 KB	Output is correct
8	Correct	35 ms	480 KB	Output is correct
9	Correct	35 ms	348 KB	Output is correct
10	Correct	35 ms	348 KB	Output is correct
11	Correct	35 ms	344 KB	Output is correct
12	Correct	34 ms	348 KB	Output is correct
13	Correct	36 ms	348 KB	Output is correct
14	Correct	342 ms	344 KB	Output is correct
15	Correct	33 ms	448 KB	Output is correct
16	Correct	342 ms	600 KB	Output is correct
17	Correct	347 ms	600 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	348 KB	Output is correct
2	Correct	4 ms	348 KB	Output is correct
3	Correct	4 ms	348 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	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	600 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	5 ms	488 KB	Output is correct
17	Correct	35 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	1 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	0 ms	344 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	179 ms	432 KB	Output is correct
29	Correct	0 ms	544 KB	Output is correct
30	Correct	342 ms	464 KB	Output is correct
31	Correct	339 ms	456 KB	Output is correct
32	Correct	339 ms	500 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	341 ms	592 KB	Output is correct
35	Correct	342 ms	344 KB	Output is correct
36	Correct	342 ms	596 KB	Output is correct
37	Correct	343 ms	344 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	35 ms	492 KB	Output is correct
40	Correct	35 ms	348 KB	Output is correct
41	Correct	35 ms	348 KB	Output is correct
42	Correct	35 ms	348 KB	Output is correct
43	Correct	35 ms	348 KB	Output is correct
44	Correct	34 ms	348 KB	Output is correct
45	Correct	34 ms	348 KB	Output is correct
46	Correct	35 ms	344 KB	Output is correct
47	Correct	34 ms	348 KB	Output is correct
48	Correct	34 ms	452 KB	Output is correct
49	Correct	34 ms	544 KB	Output is correct
50	Correct	34 ms	348 KB	Output is correct
51	Correct	343 ms	348 KB	Output is correct
52	Correct	340 ms	348 KB	Output is correct
53	Correct	344 ms	348 KB	Output is correct
54	Correct	39 ms	452 KB	Output is correct
55	Correct	34 ms	344 KB	Output is correct
56	Correct	77 ms	348 KB	Output is correct
57	Correct	0 ms	348 KB	Output is correct
58	Correct	34 ms	480 KB	Output is correct
59	Correct	34 ms	348 KB	Output is correct
60	Correct	366 ms	456 KB	Output is correct
61	Correct	34 ms	348 KB	Output is correct
62	Correct	34 ms	348 KB	Output is correct
63	Correct	34 ms	348 KB	Output is correct
64	Correct	35 ms	480 KB	Output is correct
65	Correct	35 ms	348 KB	Output is correct
66	Correct	35 ms	348 KB	Output is correct
67	Correct	35 ms	344 KB	Output is correct
68	Correct	34 ms	348 KB	Output is correct
69	Correct	36 ms	348 KB	Output is correct
70	Correct	342 ms	344 KB	Output is correct
71	Correct	33 ms	448 KB	Output is correct
72	Correct	342 ms	600 KB	Output is correct
73	Correct	347 ms	600 KB	Output is correct
74	Correct	0 ms	344 KB	Output is correct
75	Correct	0 ms	348 KB	Output is correct
76	Correct	0 ms	456 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	4 ms	600 KB	Output is correct
80	Correct	385 ms	19140 KB	Output is correct
81	Correct	354 ms	19124 KB	Output is correct
82	Correct	356 ms	18920 KB	Output is correct
83	Correct	347 ms	19132 KB	Output is correct
84	Correct	353 ms	18892 KB	Output is correct
85	Correct	365 ms	19288 KB	Output is correct
86	Correct	80 ms	6840 KB	Output is correct
87	Correct	0 ms	544 KB	Output is correct

Submission #926650

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