Submission #567738

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
567738	2022-05-24T06:12:18 Z	8e7	Strange Device (APIO19_strange_device)	C++17	100 / 100	727 ms	55100 KB

strange_device

//Challenge: Accepted
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T,class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 100005
#define pii pair<ll, ll>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
ll inf = 1LL<<60;
ll mul(ll a, ll b) {
	ll ret = 0;
	while (b) {
		if (a > inf) return inf;
		if (b & 1) ret += a;
		a += a;
		b >>= 1;
		if (ret > inf) return inf;
	}
	return ret;
}
int main() {
	io
	ll n, A, B;
	cin >> n >> A >> B;
	ll cy = mul(A / __gcd(A, B + 1), B);
	vector<pii> ev;
	for (int i = 0;i < n;i++) {
		ll l, r;
		cin >> l >> r;
		if (r - l + 1 >= cy) {
			cout << cy << "\n";
			return 0;
		}
		l %= cy, r %= cy;
		if (l <= r) {
			ev.push_back({l, 1});
			ev.push_back({r + 1, -1});
		} else {
			ev.push_back({l, 1});
			ev.push_back({0, 1});
			ev.push_back({r+1, -1});
		}
	}
	ev.push_back({cy, 0});
	sort(ev.begin(), ev.end());
	
	ll prv = -1, val = 0, ans = 0;
	int siz = ev.size();
	for (int i = 0;i < siz;i++) {
		int tmp = i;
		ll to = val;	
		while (tmp < siz - 1 && ev[tmp+1].ff == ev[i].ff) {
			to += ev[tmp].ss;
			tmp++;
		}
		to += ev[tmp].ss;
		if (val) ans += ev[i].ff - prv;
		val = to;
		prv = ev[i].ff;
		i = tmp;
	}
	cout << ans << "\n";	
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	9 ms	1240 KB	Output is correct
3	Correct	8 ms	1232 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	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	1296 KB	Output is correct
17	Correct	64 ms	5176 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	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 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	1 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	2 ms	376 KB	Output is correct
5	Correct	391 ms	33908 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	596 ms	33940 KB	Output is correct
3	Correct	613 ms	33244 KB	Output is correct
4	Correct	543 ms	34336 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	596 ms	33940 KB	Output is correct
3	Correct	613 ms	33244 KB	Output is correct
4	Correct	543 ms	34336 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	532 ms	34404 KB	Output is correct
7	Correct	525 ms	34348 KB	Output is correct
8	Correct	574 ms	34332 KB	Output is correct
9	Correct	638 ms	34364 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	596 ms	33940 KB	Output is correct
3	Correct	613 ms	33244 KB	Output is correct
4	Correct	543 ms	34336 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	55 ms	5140 KB	Output is correct
7	Correct	58 ms	5076 KB	Output is correct
8	Correct	52 ms	5092 KB	Output is correct
9	Correct	59 ms	5216 KB	Output is correct
10	Correct	55 ms	5000 KB	Output is correct
11	Correct	64 ms	5124 KB	Output is correct
12	Correct	53 ms	5156 KB	Output is correct
13	Correct	67 ms	5084 KB	Output is correct
14	Correct	54 ms	4896 KB	Output is correct
15	Correct	61 ms	5188 KB	Output is correct
16	Correct	69 ms	5144 KB	Output is correct
17	Correct	52 ms	5092 KB	Output is correct
18	Correct	537 ms	33264 KB	Output is correct
19	Correct	579 ms	34456 KB	Output is correct
20	Correct	698 ms	34416 KB	Output is correct
21	Correct	73 ms	5184 KB	Output is correct
22	Correct	51 ms	5176 KB	Output is correct
23	Correct	163 ms	17432 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	58 ms	5144 KB	Output is correct
3	Correct	57 ms	5120 KB	Output is correct
4	Correct	727 ms	33248 KB	Output is correct
5	Correct	56 ms	5176 KB	Output is correct
6	Correct	57 ms	5188 KB	Output is correct
7	Correct	60 ms	5120 KB	Output is correct
8	Correct	61 ms	5176 KB	Output is correct
9	Correct	57 ms	5104 KB	Output is correct
10	Correct	59 ms	5092 KB	Output is correct
11	Correct	61 ms	5188 KB	Output is correct
12	Correct	69 ms	5140 KB	Output is correct
13	Correct	55 ms	5116 KB	Output is correct
14	Correct	599 ms	34388 KB	Output is correct
15	Correct	56 ms	5072 KB	Output is correct
16	Correct	486 ms	34324 KB	Output is correct
17	Correct	486 ms	33964 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	1 ms	212 KB	Output is correct
2	Correct	9 ms	1240 KB	Output is correct
3	Correct	8 ms	1232 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	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	1296 KB	Output is correct
17	Correct	64 ms	5176 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 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	2 ms	376 KB	Output is correct
28	Correct	391 ms	33908 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	596 ms	33940 KB	Output is correct
31	Correct	613 ms	33244 KB	Output is correct
32	Correct	543 ms	34336 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	532 ms	34404 KB	Output is correct
35	Correct	525 ms	34348 KB	Output is correct
36	Correct	574 ms	34332 KB	Output is correct
37	Correct	638 ms	34364 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	55 ms	5140 KB	Output is correct
40	Correct	58 ms	5076 KB	Output is correct
41	Correct	52 ms	5092 KB	Output is correct
42	Correct	59 ms	5216 KB	Output is correct
43	Correct	55 ms	5000 KB	Output is correct
44	Correct	64 ms	5124 KB	Output is correct
45	Correct	53 ms	5156 KB	Output is correct
46	Correct	67 ms	5084 KB	Output is correct
47	Correct	54 ms	4896 KB	Output is correct
48	Correct	61 ms	5188 KB	Output is correct
49	Correct	69 ms	5144 KB	Output is correct
50	Correct	52 ms	5092 KB	Output is correct
51	Correct	537 ms	33264 KB	Output is correct
52	Correct	579 ms	34456 KB	Output is correct
53	Correct	698 ms	34416 KB	Output is correct
54	Correct	73 ms	5184 KB	Output is correct
55	Correct	51 ms	5176 KB	Output is correct
56	Correct	163 ms	17432 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	58 ms	5144 KB	Output is correct
59	Correct	57 ms	5120 KB	Output is correct
60	Correct	727 ms	33248 KB	Output is correct
61	Correct	56 ms	5176 KB	Output is correct
62	Correct	57 ms	5188 KB	Output is correct
63	Correct	60 ms	5120 KB	Output is correct
64	Correct	61 ms	5176 KB	Output is correct
65	Correct	57 ms	5104 KB	Output is correct
66	Correct	59 ms	5092 KB	Output is correct
67	Correct	61 ms	5188 KB	Output is correct
68	Correct	69 ms	5140 KB	Output is correct
69	Correct	55 ms	5116 KB	Output is correct
70	Correct	599 ms	34388 KB	Output is correct
71	Correct	56 ms	5072 KB	Output is correct
72	Correct	486 ms	34324 KB	Output is correct
73	Correct	486 ms	33964 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	212 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	6 ms	1240 KB	Output is correct
80	Correct	691 ms	55100 KB	Output is correct
81	Correct	679 ms	54952 KB	Output is correct
82	Correct	652 ms	54888 KB	Output is correct
83	Correct	648 ms	52152 KB	Output is correct
84	Correct	652 ms	52252 KB	Output is correct
85	Correct	661 ms	52140 KB	Output is correct
86	Correct	162 ms	26604 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #567738

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