Submission #677268

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
677268	2023-01-02T17:15:01 Z	amirhoseinfar1385	Strange Device (APIO19_strange_device)	C++17	100 / 100	948 ms	65024 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
long long inf=1e18+10;

long long mul(long long a,long long b){
	if(inf/a<b){
		return inf;
	}
	else{
		long long ret=1ll*a*b;
		return ret;
	}
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	long long n;
	long long a,b;
	cin>>n>>a>>b;
	long long e=mul(a/gcd(a,(b+1)),b);
	map<long long ,long long>mp;
	for(int i=0;i<n;i++){
		long long l,r;
		cin>>l>>r;
		if(r-l+1>=e){
			cout<<e<<"\n";
			return 0;
		}
		l%=e;
		r%=e;
	//	cout<<l<<" "<<r<<endl;
		mp[l]++;
		if(l>r){
			mp[e]--;
			mp[0]++;
		}
		mp[r+1]--;
	}
	long long last=0;
	for(auto x:mp){
		mp[x.first]+=last;
		last=mp[x.first];
	}
	long long res=0;
	long long ll=0,rr=0,f=0;
	for(auto x:mp){
		rr=x.first;
		if(x.second==0){
	//	    cout<<rr<<" "<<ll<<" "<<x.first<<endl;
			res+=rr-ll;
			ll=rr;
			f=0;
		}
		else{
			if(f==0){
				ll=x.first;
				f=1;
			}
		}
	}
	cout<<res<<endl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	7 ms	1236 KB	Output is correct
3	Correct	7 ms	1236 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	320 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	320 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	1236 KB	Output is correct
17	Correct	82 ms	8140 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	320 KB	Output is correct
2	Correct	1 ms	320 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	320 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	2 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	328 KB	Output is correct
5	Correct	239 ms	376 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	749 ms	63036 KB	Output is correct
3	Correct	796 ms	64668 KB	Output is correct
4	Correct	948 ms	64724 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	749 ms	63036 KB	Output is correct
3	Correct	796 ms	64668 KB	Output is correct
4	Correct	948 ms	64724 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	783 ms	64832 KB	Output is correct
7	Correct	869 ms	64884 KB	Output is correct
8	Correct	793 ms	64872 KB	Output is correct
9	Correct	943 ms	64724 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	749 ms	63036 KB	Output is correct
3	Correct	796 ms	64668 KB	Output is correct
4	Correct	948 ms	64724 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	70 ms	8204 KB	Output is correct
7	Correct	78 ms	8312 KB	Output is correct
8	Correct	69 ms	8196 KB	Output is correct
9	Correct	85 ms	8284 KB	Output is correct
10	Correct	65 ms	8268 KB	Output is correct
11	Correct	65 ms	8272 KB	Output is correct
12	Correct	69 ms	8244 KB	Output is correct
13	Correct	83 ms	8292 KB	Output is correct
14	Correct	78 ms	8236 KB	Output is correct
15	Correct	83 ms	8276 KB	Output is correct
16	Correct	85 ms	8252 KB	Output is correct
17	Correct	84 ms	8208 KB	Output is correct
18	Correct	789 ms	64772 KB	Output is correct
19	Correct	857 ms	64824 KB	Output is correct
20	Correct	921 ms	64748 KB	Output is correct
21	Correct	70 ms	8276 KB	Output is correct
22	Correct	69 ms	8200 KB	Output is correct
23	Correct	109 ms	1976 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	86 ms	7992 KB	Output is correct
3	Correct	80 ms	8228 KB	Output is correct
4	Correct	875 ms	64872 KB	Output is correct
5	Correct	90 ms	8260 KB	Output is correct
6	Correct	98 ms	8308 KB	Output is correct
7	Correct	84 ms	8300 KB	Output is correct
8	Correct	80 ms	8300 KB	Output is correct
9	Correct	80 ms	8320 KB	Output is correct
10	Correct	73 ms	8372 KB	Output is correct
11	Correct	73 ms	8324 KB	Output is correct
12	Correct	73 ms	8204 KB	Output is correct
13	Correct	84 ms	8280 KB	Output is correct
14	Correct	914 ms	64764 KB	Output is correct
15	Correct	80 ms	8384 KB	Output is correct
16	Correct	744 ms	64768 KB	Output is correct
17	Correct	739 ms	64888 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	0 ms	212 KB	Output is correct
2	Correct	7 ms	1236 KB	Output is correct
3	Correct	7 ms	1236 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	320 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	320 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	1236 KB	Output is correct
17	Correct	82 ms	8140 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	320 KB	Output is correct
20	Correct	1 ms	320 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	320 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	2 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	2 ms	328 KB	Output is correct
28	Correct	239 ms	376 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	749 ms	63036 KB	Output is correct
31	Correct	796 ms	64668 KB	Output is correct
32	Correct	948 ms	64724 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	783 ms	64832 KB	Output is correct
35	Correct	869 ms	64884 KB	Output is correct
36	Correct	793 ms	64872 KB	Output is correct
37	Correct	943 ms	64724 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	70 ms	8204 KB	Output is correct
40	Correct	78 ms	8312 KB	Output is correct
41	Correct	69 ms	8196 KB	Output is correct
42	Correct	85 ms	8284 KB	Output is correct
43	Correct	65 ms	8268 KB	Output is correct
44	Correct	65 ms	8272 KB	Output is correct
45	Correct	69 ms	8244 KB	Output is correct
46	Correct	83 ms	8292 KB	Output is correct
47	Correct	78 ms	8236 KB	Output is correct
48	Correct	83 ms	8276 KB	Output is correct
49	Correct	85 ms	8252 KB	Output is correct
50	Correct	84 ms	8208 KB	Output is correct
51	Correct	789 ms	64772 KB	Output is correct
52	Correct	857 ms	64824 KB	Output is correct
53	Correct	921 ms	64748 KB	Output is correct
54	Correct	70 ms	8276 KB	Output is correct
55	Correct	69 ms	8200 KB	Output is correct
56	Correct	109 ms	1976 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	86 ms	7992 KB	Output is correct
59	Correct	80 ms	8228 KB	Output is correct
60	Correct	875 ms	64872 KB	Output is correct
61	Correct	90 ms	8260 KB	Output is correct
62	Correct	98 ms	8308 KB	Output is correct
63	Correct	84 ms	8300 KB	Output is correct
64	Correct	80 ms	8300 KB	Output is correct
65	Correct	80 ms	8320 KB	Output is correct
66	Correct	73 ms	8372 KB	Output is correct
67	Correct	73 ms	8324 KB	Output is correct
68	Correct	73 ms	8204 KB	Output is correct
69	Correct	84 ms	8280 KB	Output is correct
70	Correct	914 ms	64764 KB	Output is correct
71	Correct	80 ms	8384 KB	Output is correct
72	Correct	744 ms	64768 KB	Output is correct
73	Correct	739 ms	64888 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	0 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	0 ms	212 KB	Output is correct
79	Correct	8 ms	1236 KB	Output is correct
80	Correct	926 ms	64860 KB	Output is correct
81	Correct	859 ms	64780 KB	Output is correct
82	Correct	920 ms	64716 KB	Output is correct
83	Correct	885 ms	64836 KB	Output is correct
84	Correct	900 ms	65024 KB	Output is correct
85	Correct	844 ms	64824 KB	Output is correct
86	Correct	101 ms	1904 KB	Output is correct
87	Correct	0 ms	212 KB	Output is correct

Submission #677268

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