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Submission #744466

# Submission time Handle Problem Language Result Execution time Memory
744466 2023-05-18T15:19:13 Z khoquennguoiminhthuong Strange Device (APIO19_strange_device) C++14
100 / 100
 494 ms 28984 KB 
#include <bits/stdc++.h>

using namespace std;
long long lim;
int n;
long long a,b;
vector<pair<long long,long long>>vec;
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n;
cin>>a>>b;
long long v=a/__gcd(a,b+1);
if(v<=2e18/b)lim=v*b;
else lim=2e18;
for(int i=1;i<=n;i++)
{
long long l,r;cin>>l>>r;
if(r-l+1>=lim){cout<<lim;return 0;}
l=l%lim;r=r%lim;
if(l<=r)vec.push_back({l,r});
else {vec.push_back({0,r});vec.push_back({l,lim-1});}
}
sort(vec.begin(),vec.end());
long long dem=0;
long long r=-2,l=-1;
for(auto v:vec)
{
if(r<v.first){dem+=r-l+1;l=v.first;r=v.second;}
else
r=max(r,v.second);
}
dem+=r-l+1;
cout<<dem;
    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 5 ms 688 KB Output is correct
4 Correct 0 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 0 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 0 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 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 41 ms 2472 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 0 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 212 KB Output is correct
5 Correct 1 ms 340 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 314 ms 16796 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 379 ms 16832 KB Output is correct
3 Correct 367 ms 16752 KB Output is correct
4 Correct 365 ms 16860 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 379 ms 16832 KB Output is correct
3 Correct 367 ms 16752 KB Output is correct
4 Correct 365 ms 16860 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 385 ms 16800 KB Output is correct
7 Correct 374 ms 16832 KB Output is correct
8 Correct 364 ms 16816 KB Output is correct
9 Correct 390 ms 16764 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 379 ms 16832 KB Output is correct
3 Correct 367 ms 16752 KB Output is correct
4 Correct 365 ms 16860 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 37 ms 2488 KB Output is correct
7 Correct 39 ms 2436 KB Output is correct
8 Correct 43 ms 2544 KB Output is correct
9 Correct 36 ms 2376 KB Output is correct
10 Correct 37 ms 2512 KB Output is correct
11 Correct 38 ms 2504 KB Output is correct
12 Correct 36 ms 2412 KB Output is correct
13 Correct 39 ms 2436 KB Output is correct
14 Correct 37 ms 2452 KB Output is correct
15 Correct 39 ms 2512 KB Output is correct
16 Correct 38 ms 2512 KB Output is correct
17 Correct 41 ms 2584 KB Output is correct
18 Correct 378 ms 16832 KB Output is correct
19 Correct 363 ms 16904 KB Output is correct
20 Correct 405 ms 16784 KB Output is correct
21 Correct 39 ms 2448 KB Output is correct
22 Correct 35 ms 2432 KB Output is correct
23 Correct 114 ms 8620 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 38 ms 2512 KB Output is correct
3 Correct 39 ms 2392 KB Output is correct
4 Correct 445 ms 16832 KB Output is correct
5 Correct 38 ms 2512 KB Output is correct
6 Correct 40 ms 2404 KB Output is correct
7 Correct 38 ms 2512 KB Output is correct
8 Correct 40 ms 2504 KB Output is correct
9 Correct 39 ms 2504 KB Output is correct
10 Correct 41 ms 2476 KB Output is correct
11 Correct 41 ms 2420 KB Output is correct
12 Correct 40 ms 2404 KB Output is correct
13 Correct 41 ms 2488 KB Output is correct
14 Correct 432 ms 16816 KB Output is correct
15 Correct 39 ms 2512 KB Output is correct
16 Correct 374 ms 16940 KB Output is correct
17 Correct 374 ms 16776 KB Output is correct
18 Correct 0 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 5 ms 688 KB Output is correct
4 Correct 0 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 0 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 0 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 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 41 ms 2472 KB Output is correct
18 Correct 1 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 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 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 314 ms 16796 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 379 ms 16832 KB Output is correct
31 Correct 367 ms 16752 KB Output is correct
32 Correct 365 ms 16860 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 385 ms 16800 KB Output is correct
35 Correct 374 ms 16832 KB Output is correct
36 Correct 364 ms 16816 KB Output is correct
37 Correct 390 ms 16764 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 37 ms 2488 KB Output is correct
40 Correct 39 ms 2436 KB Output is correct
41 Correct 43 ms 2544 KB Output is correct
42 Correct 36 ms 2376 KB Output is correct
43 Correct 37 ms 2512 KB Output is correct
44 Correct 38 ms 2504 KB Output is correct
45 Correct 36 ms 2412 KB Output is correct
46 Correct 39 ms 2436 KB Output is correct
47 Correct 37 ms 2452 KB Output is correct
48 Correct 39 ms 2512 KB Output is correct
49 Correct 38 ms 2512 KB Output is correct
50 Correct 41 ms 2584 KB Output is correct
51 Correct 378 ms 16832 KB Output is correct
52 Correct 363 ms 16904 KB Output is correct
53 Correct 405 ms 16784 KB Output is correct
54 Correct 39 ms 2448 KB Output is correct
55 Correct 35 ms 2432 KB Output is correct
56 Correct 114 ms 8620 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 38 ms 2512 KB Output is correct
59 Correct 39 ms 2392 KB Output is correct
60 Correct 445 ms 16832 KB Output is correct
61 Correct 38 ms 2512 KB Output is correct
62 Correct 40 ms 2404 KB Output is correct
63 Correct 38 ms 2512 KB Output is correct
64 Correct 40 ms 2504 KB Output is correct
65 Correct 39 ms 2504 KB Output is correct
66 Correct 41 ms 2476 KB Output is correct
67 Correct 41 ms 2420 KB Output is correct
68 Correct 40 ms 2404 KB Output is correct
69 Correct 41 ms 2488 KB Output is correct
70 Correct 432 ms 16816 KB Output is correct
71 Correct 39 ms 2512 KB Output is correct
72 Correct 374 ms 16940 KB Output is correct
73 Correct 374 ms 16776 KB Output is correct
74 Correct 0 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 324 KB Output is correct
79 Correct 5 ms 1012 KB Output is correct
80 Correct 494 ms 28756 KB Output is correct
81 Correct 484 ms 28800 KB Output is correct
82 Correct 447 ms 28984 KB Output is correct
83 Correct 452 ms 28780 KB Output is correct
84 Correct 455 ms 28748 KB Output is correct
85 Correct 408 ms 28816 KB Output is correct
86 Correct 130 ms 18088 KB Output is correct
87 Correct 1 ms 212 KB Output is correct