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Submission #277998

# Submission time Handle Problem Language Result Execution time Memory
277998 2020-08-21T08:28:21 Z toonewbie Strange Device (APIO19_strange_device) C++17
100 / 100
 914 ms 100232 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long lint;
const lint LNF = 2e18;

int n;
lint A, B;

lint gcd(lint a, lint b){ return (b==0 ? a : gcd(b, a%b)); }

int main(){
  ios::sync_with_stdio(0); cin.tie(0);

  cin>>n>>A>>B;
  lint g = gcd(A, B+1), a=A/g;
  lint T = LNF;
  if(a<=LNF/B) T = a*B;

  map<lint, int> mp;
  for(int i=1; i<=n; i++){
    lint l,r; cin>>l>>r;
    if(r-l+1>=T) mp[0]++, mp[T]--;
    else{
      l%=T, r%=T;
      if(l<=r) mp[l]++, mp[r+1]--;
      else mp[0]++, mp[r+1]--, mp[l]++, mp[T]--;
    }
  }
  mp[T] = 0;
  lint xp = 0, cnt = 0, ans = 0;
  for(auto p:mp){
    lint x = p.first;
    if(cnt>0) ans += x-xp;
    cnt+=p.second;
    xp =  x;
  }
  cout<<ans<<'\n';

  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 10 ms 1408 KB Output is correct
3 Correct 8 ms 1408 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 7 ms 1408 KB Output is correct
17 Correct 73 ms 10360 KB Output is correct
18 Correct 1 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 294 ms 6008 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 758 ms 71340 KB Output is correct
3 Correct 800 ms 100232 KB Output is correct
4 Correct 880 ms 100216 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 758 ms 71340 KB Output is correct
3 Correct 800 ms 100232 KB Output is correct
4 Correct 880 ms 100216 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 844 ms 100088 KB Output is correct
7 Correct 791 ms 100192 KB Output is correct
8 Correct 842 ms 100104 KB Output is correct
9 Correct 896 ms 100044 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 758 ms 71340 KB Output is correct
3 Correct 800 ms 100232 KB Output is correct
4 Correct 880 ms 100216 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 69 ms 10376 KB Output is correct
7 Correct 68 ms 10360 KB Output is correct
8 Correct 96 ms 10360 KB Output is correct
9 Correct 86 ms 10360 KB Output is correct
10 Correct 75 ms 10260 KB Output is correct
11 Correct 67 ms 10360 KB Output is correct
12 Correct 78 ms 10360 KB Output is correct
13 Correct 76 ms 10364 KB Output is correct
14 Correct 106 ms 10360 KB Output is correct
15 Correct 78 ms 10360 KB Output is correct
16 Correct 78 ms 10264 KB Output is correct
17 Correct 80 ms 10260 KB Output is correct
18 Correct 857 ms 100152 KB Output is correct
19 Correct 837 ms 100232 KB Output is correct
20 Correct 877 ms 100132 KB Output is correct
21 Correct 74 ms 10364 KB Output is correct
22 Correct 85 ms 10256 KB Output is correct
23 Correct 159 ms 12920 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 77 ms 10340 KB Output is correct
3 Correct 92 ms 10360 KB Output is correct
4 Correct 881 ms 100092 KB Output is correct
5 Correct 82 ms 10360 KB Output is correct
6 Correct 92 ms 10360 KB Output is correct
7 Correct 87 ms 10360 KB Output is correct
8 Correct 74 ms 10360 KB Output is correct
9 Correct 84 ms 10360 KB Output is correct
10 Correct 81 ms 10360 KB Output is correct
11 Correct 71 ms 10360 KB Output is correct
12 Correct 88 ms 10360 KB Output is correct
13 Correct 90 ms 10360 KB Output is correct
14 Correct 907 ms 100088 KB Output is correct
15 Correct 70 ms 10360 KB Output is correct
16 Correct 800 ms 82856 KB Output is correct
17 Correct 857 ms 100212 KB Output is correct
18 Correct 1 ms 384 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 10 ms 1408 KB Output is correct
3 Correct 8 ms 1408 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 7 ms 1408 KB Output is correct
17 Correct 73 ms 10360 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 512 KB Output is correct
27 Correct 1 ms 512 KB Output is correct
28 Correct 294 ms 6008 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 758 ms 71340 KB Output is correct
31 Correct 800 ms 100232 KB Output is correct
32 Correct 880 ms 100216 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 844 ms 100088 KB Output is correct
35 Correct 791 ms 100192 KB Output is correct
36 Correct 842 ms 100104 KB Output is correct
37 Correct 896 ms 100044 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 69 ms 10376 KB Output is correct
40 Correct 68 ms 10360 KB Output is correct
41 Correct 96 ms 10360 KB Output is correct
42 Correct 86 ms 10360 KB Output is correct
43 Correct 75 ms 10260 KB Output is correct
44 Correct 67 ms 10360 KB Output is correct
45 Correct 78 ms 10360 KB Output is correct
46 Correct 76 ms 10364 KB Output is correct
47 Correct 106 ms 10360 KB Output is correct
48 Correct 78 ms 10360 KB Output is correct
49 Correct 78 ms 10264 KB Output is correct
50 Correct 80 ms 10260 KB Output is correct
51 Correct 857 ms 100152 KB Output is correct
52 Correct 837 ms 100232 KB Output is correct
53 Correct 877 ms 100132 KB Output is correct
54 Correct 74 ms 10364 KB Output is correct
55 Correct 85 ms 10256 KB Output is correct
56 Correct 159 ms 12920 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 77 ms 10340 KB Output is correct
59 Correct 92 ms 10360 KB Output is correct
60 Correct 881 ms 100092 KB Output is correct
61 Correct 82 ms 10360 KB Output is correct
62 Correct 92 ms 10360 KB Output is correct
63 Correct 87 ms 10360 KB Output is correct
64 Correct 74 ms 10360 KB Output is correct
65 Correct 84 ms 10360 KB Output is correct
66 Correct 81 ms 10360 KB Output is correct
67 Correct 71 ms 10360 KB Output is correct
68 Correct 88 ms 10360 KB Output is correct
69 Correct 90 ms 10360 KB Output is correct
70 Correct 907 ms 100088 KB Output is correct
71 Correct 70 ms 10360 KB Output is correct
72 Correct 800 ms 82856 KB Output is correct
73 Correct 857 ms 100212 KB Output is correct
74 Correct 1 ms 384 KB Output is correct
75 Correct 1 ms 384 KB Output is correct
76 Correct 1 ms 384 KB Output is correct
77 Correct 0 ms 384 KB Output is correct
78 Correct 1 ms 288 KB Output is correct
79 Correct 7 ms 1408 KB Output is correct
80 Correct 850 ms 83448 KB Output is correct
81 Correct 846 ms 83508 KB Output is correct
82 Correct 906 ms 83568 KB Output is correct
83 Correct 906 ms 83460 KB Output is correct
84 Correct 914 ms 83532 KB Output is correct
85 Correct 885 ms 100064 KB Output is correct
86 Correct 149 ms 12920 KB Output is correct
87 Correct 1 ms 384 KB Output is correct