Submission #558843

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
558843	2022-05-08T17:02:13 Z	myrcella	Strange Device (APIO19_strange_device)	C++17	100 / 100	530 ms	48652 KB

strange_device

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

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define ALL(x) x.begin(),x.end()

const ll big = 1000000000000000000;
ll mod;

int n;
ll a,b;
vector <pll> range;

int main() {
	
//	freopen("input.txt","r",stdin);	
	std::ios::sync_with_stdio(false);cin.tie();
	cin>>n>>a>>b;
	ll tmp = __gcd(a,b+1);
	tmp = a/tmp;
	if (1.0*big/tmp<(double)b) mod = big;
	else mod = b*tmp;
	debug(mod);
	rep(i,0,n) {
		ll l,r;cin>>l>>r;
		if (l/mod==r/mod) range.pb({l%mod,r%mod});
		else range.pb({l%mod,mod-1}),range.pb({0,r%mod});
	}
	sort(ALL(range));
	ll cur = -1,ans=0;
	for (auto x:range) {
		if (x.fi<=cur) ans+=max(0ll,x.se-cur),cur = max(cur,x.se);
		else ans+=x.se-x.fi+1,cur = x.se;
	}
	cout<<ans;
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	5 ms	984 KB	Output is correct
3	Correct	6 ms	976 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	320 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	316 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	320 KB	Output is correct
16	Correct	5 ms	984 KB	Output is correct
17	Correct	47 ms	5688 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	324 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	1 ms	328 KB	Output is correct
5	Correct	337 ms	20224 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	454 ms	24556 KB	Output is correct
3	Correct	456 ms	27596 KB	Output is correct
4	Correct	412 ms	23384 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	454 ms	24556 KB	Output is correct
3	Correct	456 ms	27596 KB	Output is correct
4	Correct	412 ms	23384 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	424 ms	23472 KB	Output is correct
7	Correct	446 ms	24576 KB	Output is correct
8	Correct	409 ms	23960 KB	Output is correct
9	Correct	461 ms	23868 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	454 ms	24556 KB	Output is correct
3	Correct	456 ms	27596 KB	Output is correct
4	Correct	412 ms	23384 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	43 ms	5672 KB	Output is correct
7	Correct	42 ms	5624 KB	Output is correct
8	Correct	45 ms	5696 KB	Output is correct
9	Correct	45 ms	5700 KB	Output is correct
10	Correct	44 ms	5644 KB	Output is correct
11	Correct	42 ms	5696 KB	Output is correct
12	Correct	43 ms	5616 KB	Output is correct
13	Correct	46 ms	5696 KB	Output is correct
14	Correct	43 ms	5704 KB	Output is correct
15	Correct	46 ms	5600 KB	Output is correct
16	Correct	47 ms	5700 KB	Output is correct
17	Correct	47 ms	5696 KB	Output is correct
18	Correct	419 ms	23604 KB	Output is correct
19	Correct	411 ms	23768 KB	Output is correct
20	Correct	453 ms	23840 KB	Output is correct
21	Correct	48 ms	5632 KB	Output is correct
22	Correct	42 ms	5716 KB	Output is correct
23	Correct	136 ms	18428 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	49 ms	5720 KB	Output is correct
3	Correct	46 ms	5704 KB	Output is correct
4	Correct	510 ms	27096 KB	Output is correct
5	Correct	43 ms	5632 KB	Output is correct
6	Correct	45 ms	5676 KB	Output is correct
7	Correct	55 ms	5692 KB	Output is correct
8	Correct	48 ms	5652 KB	Output is correct
9	Correct	45 ms	5672 KB	Output is correct
10	Correct	48 ms	5604 KB	Output is correct
11	Correct	47 ms	5780 KB	Output is correct
12	Correct	42 ms	5692 KB	Output is correct
13	Correct	44 ms	5696 KB	Output is correct
14	Correct	472 ms	23748 KB	Output is correct
15	Correct	45 ms	5660 KB	Output is correct
16	Correct	418 ms	23732 KB	Output is correct
17	Correct	425 ms	23568 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	5 ms	984 KB	Output is correct
3	Correct	6 ms	976 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	320 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	316 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	320 KB	Output is correct
16	Correct	5 ms	984 KB	Output is correct
17	Correct	47 ms	5688 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	324 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	1 ms	328 KB	Output is correct
28	Correct	337 ms	20224 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	454 ms	24556 KB	Output is correct
31	Correct	456 ms	27596 KB	Output is correct
32	Correct	412 ms	23384 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	424 ms	23472 KB	Output is correct
35	Correct	446 ms	24576 KB	Output is correct
36	Correct	409 ms	23960 KB	Output is correct
37	Correct	461 ms	23868 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	43 ms	5672 KB	Output is correct
40	Correct	42 ms	5624 KB	Output is correct
41	Correct	45 ms	5696 KB	Output is correct
42	Correct	45 ms	5700 KB	Output is correct
43	Correct	44 ms	5644 KB	Output is correct
44	Correct	42 ms	5696 KB	Output is correct
45	Correct	43 ms	5616 KB	Output is correct
46	Correct	46 ms	5696 KB	Output is correct
47	Correct	43 ms	5704 KB	Output is correct
48	Correct	46 ms	5600 KB	Output is correct
49	Correct	47 ms	5700 KB	Output is correct
50	Correct	47 ms	5696 KB	Output is correct
51	Correct	419 ms	23604 KB	Output is correct
52	Correct	411 ms	23768 KB	Output is correct
53	Correct	453 ms	23840 KB	Output is correct
54	Correct	48 ms	5632 KB	Output is correct
55	Correct	42 ms	5716 KB	Output is correct
56	Correct	136 ms	18428 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	49 ms	5720 KB	Output is correct
59	Correct	46 ms	5704 KB	Output is correct
60	Correct	510 ms	27096 KB	Output is correct
61	Correct	43 ms	5632 KB	Output is correct
62	Correct	45 ms	5676 KB	Output is correct
63	Correct	55 ms	5692 KB	Output is correct
64	Correct	48 ms	5652 KB	Output is correct
65	Correct	45 ms	5672 KB	Output is correct
66	Correct	48 ms	5604 KB	Output is correct
67	Correct	47 ms	5780 KB	Output is correct
68	Correct	42 ms	5692 KB	Output is correct
69	Correct	44 ms	5696 KB	Output is correct
70	Correct	472 ms	23748 KB	Output is correct
71	Correct	45 ms	5660 KB	Output is correct
72	Correct	418 ms	23732 KB	Output is correct
73	Correct	425 ms	23568 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	320 KB	Output is correct
77	Correct	0 ms	212 KB	Output is correct
78	Correct	1 ms	212 KB	Output is correct
79	Correct	6 ms	1060 KB	Output is correct
80	Correct	530 ms	47852 KB	Output is correct
81	Correct	497 ms	47692 KB	Output is correct
82	Correct	496 ms	47784 KB	Output is correct
83	Correct	478 ms	47824 KB	Output is correct
84	Correct	504 ms	48152 KB	Output is correct
85	Correct	497 ms	48652 KB	Output is correct
86	Correct	137 ms	18472 KB	Output is correct
87	Correct	1 ms	212 KB	Output is correct

Submission #558843

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