Submission #721469

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
721469	2023-04-11T02:07:15 Z	Darren0724	Strange Device (APIO19_strange_device)	C++17	100 / 100	566 ms	18372 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
const int INF=9e18;

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t;cin>>t;
    int a,b;cin>>a>>b;
    int m=0;
    int g=__gcd(a,b+1);
    __int128 tmp=(__int128)a*b/g;
    if(tmp>INF){
        m=INF;
    }
    else{
        m=tmp;
    }
    vector<pair<int,int>> v;
    for(int i=0;i<t;i++){
        int l,r;cin>>l>>r;
        if(r-l+1>=m){
            cout<<m<<endl;
            return 0;
        }
        if(r%m<l%m){
            v.push_back({l%m,m-1});
            v.push_back({0,r%m});
        }
        else{
            v.push_back({l%m,r%m});
        }
    }
    sort(all(v));
    int ans=0;
    int l=0;
    for(pair<int,int> p:v){
        p.first=max(p.first,l);
        if(p.second<p.first){
            continue;
        }
        ans+=(p.second-p.first+1);
        l=p.second+1;
    }
    cout<<ans<<endl;


    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	4 ms	600 KB	Output is correct
3	Correct	4 ms	600 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 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	0 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	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	5 ms	600 KB	Output is correct
17	Correct	46 ms	2504 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	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	1 ms	340 KB	Output is correct
5	Correct	296 ms	16880 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	406 ms	16852 KB	Output is correct
3	Correct	381 ms	16904 KB	Output is correct
4	Correct	368 ms	16748 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	406 ms	16852 KB	Output is correct
3	Correct	381 ms	16904 KB	Output is correct
4	Correct	368 ms	16748 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	409 ms	16760 KB	Output is correct
7	Correct	391 ms	16856 KB	Output is correct
8	Correct	411 ms	16812 KB	Output is correct
9	Correct	496 ms	16820 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	406 ms	16852 KB	Output is correct
3	Correct	381 ms	16904 KB	Output is correct
4	Correct	368 ms	16748 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	39 ms	2444 KB	Output is correct
7	Correct	42 ms	2420 KB	Output is correct
8	Correct	40 ms	2492 KB	Output is correct
9	Correct	41 ms	2492 KB	Output is correct
10	Correct	40 ms	2396 KB	Output is correct
11	Correct	43 ms	2476 KB	Output is correct
12	Correct	57 ms	2452 KB	Output is correct
13	Correct	41 ms	2384 KB	Output is correct
14	Correct	42 ms	2528 KB	Output is correct
15	Correct	46 ms	2496 KB	Output is correct
16	Correct	41 ms	2480 KB	Output is correct
17	Correct	42 ms	2512 KB	Output is correct
18	Correct	451 ms	16932 KB	Output is correct
19	Correct	408 ms	16792 KB	Output is correct
20	Correct	448 ms	16812 KB	Output is correct
21	Correct	51 ms	2440 KB	Output is correct
22	Correct	44 ms	2396 KB	Output is correct
23	Correct	136 ms	8580 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	57 ms	2496 KB	Output is correct
3	Correct	47 ms	2380 KB	Output is correct
4	Correct	566 ms	16756 KB	Output is correct
5	Correct	42 ms	2512 KB	Output is correct
6	Correct	41 ms	2428 KB	Output is correct
7	Correct	45 ms	2432 KB	Output is correct
8	Correct	62 ms	2436 KB	Output is correct
9	Correct	54 ms	2456 KB	Output is correct
10	Correct	46 ms	2496 KB	Output is correct
11	Correct	57 ms	2388 KB	Output is correct
12	Correct	41 ms	2476 KB	Output is correct
13	Correct	43 ms	2464 KB	Output is correct
14	Correct	453 ms	16808 KB	Output is correct
15	Correct	40 ms	2512 KB	Output is correct
16	Correct	454 ms	16772 KB	Output is correct
17	Correct	488 ms	16860 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	4 ms	600 KB	Output is correct
3	Correct	4 ms	600 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 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	0 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	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	5 ms	600 KB	Output is correct
17	Correct	46 ms	2504 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 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	1 ms	340 KB	Output is correct
28	Correct	296 ms	16880 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	406 ms	16852 KB	Output is correct
31	Correct	381 ms	16904 KB	Output is correct
32	Correct	368 ms	16748 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	409 ms	16760 KB	Output is correct
35	Correct	391 ms	16856 KB	Output is correct
36	Correct	411 ms	16812 KB	Output is correct
37	Correct	496 ms	16820 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	39 ms	2444 KB	Output is correct
40	Correct	42 ms	2420 KB	Output is correct
41	Correct	40 ms	2492 KB	Output is correct
42	Correct	41 ms	2492 KB	Output is correct
43	Correct	40 ms	2396 KB	Output is correct
44	Correct	43 ms	2476 KB	Output is correct
45	Correct	57 ms	2452 KB	Output is correct
46	Correct	41 ms	2384 KB	Output is correct
47	Correct	42 ms	2528 KB	Output is correct
48	Correct	46 ms	2496 KB	Output is correct
49	Correct	41 ms	2480 KB	Output is correct
50	Correct	42 ms	2512 KB	Output is correct
51	Correct	451 ms	16932 KB	Output is correct
52	Correct	408 ms	16792 KB	Output is correct
53	Correct	448 ms	16812 KB	Output is correct
54	Correct	51 ms	2440 KB	Output is correct
55	Correct	44 ms	2396 KB	Output is correct
56	Correct	136 ms	8580 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	57 ms	2496 KB	Output is correct
59	Correct	47 ms	2380 KB	Output is correct
60	Correct	566 ms	16756 KB	Output is correct
61	Correct	42 ms	2512 KB	Output is correct
62	Correct	41 ms	2428 KB	Output is correct
63	Correct	45 ms	2432 KB	Output is correct
64	Correct	62 ms	2436 KB	Output is correct
65	Correct	54 ms	2456 KB	Output is correct
66	Correct	46 ms	2496 KB	Output is correct
67	Correct	57 ms	2388 KB	Output is correct
68	Correct	41 ms	2476 KB	Output is correct
69	Correct	43 ms	2464 KB	Output is correct
70	Correct	453 ms	16808 KB	Output is correct
71	Correct	40 ms	2512 KB	Output is correct
72	Correct	454 ms	16772 KB	Output is correct
73	Correct	488 ms	16860 KB	Output is correct
74	Correct	1 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	320 KB	Output is correct
77	Correct	1 ms	212 KB	Output is correct
78	Correct	1 ms	232 KB	Output is correct
79	Correct	5 ms	1044 KB	Output is correct
80	Correct	515 ms	18372 KB	Output is correct
81	Correct	500 ms	18348 KB	Output is correct
82	Correct	464 ms	18364 KB	Output is correct
83	Correct	451 ms	18324 KB	Output is correct
84	Correct	489 ms	18176 KB	Output is correct
85	Correct	469 ms	17948 KB	Output is correct
86	Correct	163 ms	10120 KB	Output is correct
87	Correct	1 ms	320 KB	Output is correct

Submission #721469

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