Submission #1044633

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1044633	2024-08-05T11:52:16 Z	vjudge1	Strange Device (APIO19_strange_device)	C++17	100 / 100	280 ms	54044 KB

strange_device

#include "bits/stdc++.h"
using namespace std;

#define int int64_t    
#define pb push_back

using lint=__int128_t;

const int lim=200100;
const int mod=1e9+7;

using pii=pair<int,int>;

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Local  
    freopen(".in","r",stdin);freopen(".out","w",stdout);
#endif
    int n,a,b;
    cin>>n>>a>>b;
    lint cntofdif=a/__gcd(a,(b+1));
    cntofdif*=b;
    cntofdif=min(cntofdif,lint(2e18));
    int all=cntofdif;
    //cerr<<all<<"\n";
    vector<pii>ranges;
    for(int i=0;i<n;i++){
        int l,r;
        cin>>l>>r;
        if(all<=r-l+1){
            cout<<all;
            return 0;
        }
        l%=all;
        r%=all;
        if(l<=r){
            ranges.pb({l,r});
            //cerr<<"inserted "<<l<<" "<<r<<"\n";
        }
        else{
            //cerr<<"oops "<<l<<" "<<r<<"\n";
            ranges.pb({l,all-1});
            ranges.pb({0,r});
        }
    }
    sort(ranges.begin(),ranges.end());
    int cnt=0,left=-1;
    for(auto[f,s]:ranges){
        if(left<f){
            cnt+=s-f+1;
        }else if(left<s){
            cnt+=s-left;
        }
        left=max(left,s);
    }
    cout<<cnt<<"\n";
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	2 ms	988 KB	Output is correct
3	Correct	3 ms	736 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	376 KB	Output is correct
8	Correct	0 ms	600 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	736 KB	Output is correct
17	Correct	24 ms	2520 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	360 KB	Output is correct
5	Correct	146 ms	18060 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	214 ms	16920 KB	Output is correct
3	Correct	221 ms	53808 KB	Output is correct
4	Correct	228 ms	53592 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	214 ms	16920 KB	Output is correct
3	Correct	221 ms	53808 KB	Output is correct
4	Correct	228 ms	53592 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	230 ms	53396 KB	Output is correct
7	Correct	219 ms	53420 KB	Output is correct
8	Correct	218 ms	53940 KB	Output is correct
9	Correct	243 ms	53940 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	214 ms	16920 KB	Output is correct
3	Correct	221 ms	53808 KB	Output is correct
4	Correct	228 ms	53592 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	25 ms	5864 KB	Output is correct
7	Correct	25 ms	5844 KB	Output is correct
8	Correct	24 ms	5824 KB	Output is correct
9	Correct	23 ms	5836 KB	Output is correct
10	Correct	22 ms	5836 KB	Output is correct
11	Correct	24 ms	5844 KB	Output is correct
12	Correct	23 ms	5708 KB	Output is correct
13	Correct	25 ms	5648 KB	Output is correct
14	Correct	23 ms	5836 KB	Output is correct
15	Correct	27 ms	5944 KB	Output is correct
16	Correct	25 ms	5652 KB	Output is correct
17	Correct	24 ms	5836 KB	Output is correct
18	Correct	222 ms	53416 KB	Output is correct
19	Correct	235 ms	53424 KB	Output is correct
20	Correct	244 ms	53424 KB	Output is correct
21	Correct	24 ms	5844 KB	Output is correct
22	Correct	23 ms	5836 KB	Output is correct
23	Correct	68 ms	20424 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	23 ms	2520 KB	Output is correct
3	Correct	24 ms	2520 KB	Output is correct
4	Correct	260 ms	54044 KB	Output is correct
5	Correct	29 ms	5836 KB	Output is correct
6	Correct	24 ms	5792 KB	Output is correct
7	Correct	29 ms	5692 KB	Output is correct
8	Correct	24 ms	5744 KB	Output is correct
9	Correct	26 ms	5836 KB	Output is correct
10	Correct	26 ms	5820 KB	Output is correct
11	Correct	24 ms	5844 KB	Output is correct
12	Correct	21 ms	5696 KB	Output is correct
13	Correct	24 ms	5744 KB	Output is correct
14	Correct	248 ms	53940 KB	Output is correct
15	Correct	23 ms	5836 KB	Output is correct
16	Correct	225 ms	53424 KB	Output is correct
17	Correct	230 ms	53356 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	2 ms	988 KB	Output is correct
3	Correct	3 ms	736 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	376 KB	Output is correct
8	Correct	0 ms	600 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	736 KB	Output is correct
17	Correct	24 ms	2520 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 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	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	360 KB	Output is correct
28	Correct	146 ms	18060 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	214 ms	16920 KB	Output is correct
31	Correct	221 ms	53808 KB	Output is correct
32	Correct	228 ms	53592 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	230 ms	53396 KB	Output is correct
35	Correct	219 ms	53420 KB	Output is correct
36	Correct	218 ms	53940 KB	Output is correct
37	Correct	243 ms	53940 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	25 ms	5864 KB	Output is correct
40	Correct	25 ms	5844 KB	Output is correct
41	Correct	24 ms	5824 KB	Output is correct
42	Correct	23 ms	5836 KB	Output is correct
43	Correct	22 ms	5836 KB	Output is correct
44	Correct	24 ms	5844 KB	Output is correct
45	Correct	23 ms	5708 KB	Output is correct
46	Correct	25 ms	5648 KB	Output is correct
47	Correct	23 ms	5836 KB	Output is correct
48	Correct	27 ms	5944 KB	Output is correct
49	Correct	25 ms	5652 KB	Output is correct
50	Correct	24 ms	5836 KB	Output is correct
51	Correct	222 ms	53416 KB	Output is correct
52	Correct	235 ms	53424 KB	Output is correct
53	Correct	244 ms	53424 KB	Output is correct
54	Correct	24 ms	5844 KB	Output is correct
55	Correct	23 ms	5836 KB	Output is correct
56	Correct	68 ms	20424 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	23 ms	2520 KB	Output is correct
59	Correct	24 ms	2520 KB	Output is correct
60	Correct	260 ms	54044 KB	Output is correct
61	Correct	29 ms	5836 KB	Output is correct
62	Correct	24 ms	5792 KB	Output is correct
63	Correct	29 ms	5692 KB	Output is correct
64	Correct	24 ms	5744 KB	Output is correct
65	Correct	26 ms	5836 KB	Output is correct
66	Correct	26 ms	5820 KB	Output is correct
67	Correct	24 ms	5844 KB	Output is correct
68	Correct	21 ms	5696 KB	Output is correct
69	Correct	24 ms	5744 KB	Output is correct
70	Correct	248 ms	53940 KB	Output is correct
71	Correct	23 ms	5836 KB	Output is correct
72	Correct	225 ms	53424 KB	Output is correct
73	Correct	230 ms	53356 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	1 ms	348 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	348 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	2 ms	1112 KB	Output is correct
80	Correct	261 ms	53412 KB	Output is correct
81	Correct	254 ms	53932 KB	Output is correct
82	Correct	280 ms	52932 KB	Output is correct
83	Correct	251 ms	53184 KB	Output is correct
84	Correct	249 ms	53380 KB	Output is correct
85	Correct	247 ms	53244 KB	Output is correct
86	Correct	68 ms	20416 KB	Output is correct
87	Correct	0 ms	348 KB	Output is correct

Submission #1044633

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