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Submission #749218

# Submission time Handle Problem Language Result Execution time Memory
749218 2023-05-27T14:51:11 Z NeroZein Strange Device (APIO19_strange_device) C++17
100 / 100
 547 ms 68880 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

signed main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n; 
  long long a, b;
  cin >> n >> a >> b;
  a /= gcd(a, b + 1); 
  long long period = 1e18 + 1; 
  if (a <= LLONG_MAX / b) {
    period = a * b; 
  }
  vector<long long> l(n), r(n); 
  vector<pair<long long,long long>> v; 
  for (int i = 0; i < n; ++i) {
    cin >> l[i] >> r[i]; 
    if (r[i] - l[i] + 1 >= period) {
      cout << period << '\n';
      return 0; 
    }
    l[i] %= period;
    r[i] %= period; 
    if (l[i] <= r[i]) {
      v.emplace_back(l[i], r[i]); 
    } else {
      v.emplace_back(l[i], period - 1);
      v.emplace_back(0, r[i]); 
    }
  }
  sort(v.begin(), v.end()); 
  long long cl = 0; 
  long long cr = -1;
  long long ans = 0;  
  for (int i = 0; i < (int) v.size(); ++i) {
    auto [x, y] = v[i];
    if (x > cr) {
      ans += cr - cl + 1; 
      cl = x; cr = y; 
    } else {
      cr = max(cr, y); 
    }
  }
  ans += cr - cl + 1; 
  cout << ans << '\n'; 
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 5 ms 1224 KB Output is correct
3 Correct 7 ms 1236 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 8 ms 1212 KB Output is correct
17 Correct 68 ms 7256 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 212 KB Output is correct
2 Correct 1 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 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 332 KB Output is correct
5 Correct 314 ms 56932 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 431 ms 40480 KB Output is correct
3 Correct 478 ms 68804 KB Output is correct
4 Correct 477 ms 68820 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 431 ms 40480 KB Output is correct
3 Correct 478 ms 68804 KB Output is correct
4 Correct 477 ms 68820 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 501 ms 68824 KB Output is correct
7 Correct 456 ms 68840 KB Output is correct
8 Correct 460 ms 68844 KB Output is correct
9 Correct 489 ms 68756 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 431 ms 40480 KB Output is correct
3 Correct 478 ms 68804 KB Output is correct
4 Correct 477 ms 68820 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 55 ms 7292 KB Output is correct
7 Correct 56 ms 7256 KB Output is correct
8 Correct 72 ms 7252 KB Output is correct
9 Correct 43 ms 7236 KB Output is correct
10 Correct 41 ms 7208 KB Output is correct
11 Correct 42 ms 7232 KB Output is correct
12 Correct 42 ms 7256 KB Output is correct
13 Correct 43 ms 7216 KB Output is correct
14 Correct 39 ms 7236 KB Output is correct
15 Correct 52 ms 7228 KB Output is correct
16 Correct 44 ms 7232 KB Output is correct
17 Correct 43 ms 7236 KB Output is correct
18 Correct 446 ms 68784 KB Output is correct
19 Correct 421 ms 68764 KB Output is correct
20 Correct 490 ms 68848 KB Output is correct
21 Correct 60 ms 7260 KB Output is correct
22 Correct 55 ms 7276 KB Output is correct
23 Correct 142 ms 23720 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 45 ms 7236 KB Output is correct
3 Correct 45 ms 7248 KB Output is correct
4 Correct 496 ms 68864 KB Output is correct
5 Correct 45 ms 7260 KB Output is correct
6 Correct 49 ms 7204 KB Output is correct
7 Correct 49 ms 7224 KB Output is correct
8 Correct 44 ms 7204 KB Output is correct
9 Correct 44 ms 7236 KB Output is correct
10 Correct 43 ms 7164 KB Output is correct
11 Correct 45 ms 7196 KB Output is correct
12 Correct 42 ms 7180 KB Output is correct
13 Correct 46 ms 7260 KB Output is correct
14 Correct 457 ms 68860 KB Output is correct
15 Correct 51 ms 7240 KB Output is correct
16 Correct 547 ms 68780 KB Output is correct
17 Correct 492 ms 68880 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 1 ms 212 KB Output is correct
2 Correct 5 ms 1224 KB Output is correct
3 Correct 7 ms 1236 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 8 ms 1212 KB Output is correct
17 Correct 68 ms 7256 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 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 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 332 KB Output is correct
28 Correct 314 ms 56932 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 431 ms 40480 KB Output is correct
31 Correct 478 ms 68804 KB Output is correct
32 Correct 477 ms 68820 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 501 ms 68824 KB Output is correct
35 Correct 456 ms 68840 KB Output is correct
36 Correct 460 ms 68844 KB Output is correct
37 Correct 489 ms 68756 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 55 ms 7292 KB Output is correct
40 Correct 56 ms 7256 KB Output is correct
41 Correct 72 ms 7252 KB Output is correct
42 Correct 43 ms 7236 KB Output is correct
43 Correct 41 ms 7208 KB Output is correct
44 Correct 42 ms 7232 KB Output is correct
45 Correct 42 ms 7256 KB Output is correct
46 Correct 43 ms 7216 KB Output is correct
47 Correct 39 ms 7236 KB Output is correct
48 Correct 52 ms 7228 KB Output is correct
49 Correct 44 ms 7232 KB Output is correct
50 Correct 43 ms 7236 KB Output is correct
51 Correct 446 ms 68784 KB Output is correct
52 Correct 421 ms 68764 KB Output is correct
53 Correct 490 ms 68848 KB Output is correct
54 Correct 60 ms 7260 KB Output is correct
55 Correct 55 ms 7276 KB Output is correct
56 Correct 142 ms 23720 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 45 ms 7236 KB Output is correct
59 Correct 45 ms 7248 KB Output is correct
60 Correct 496 ms 68864 KB Output is correct
61 Correct 45 ms 7260 KB Output is correct
62 Correct 49 ms 7204 KB Output is correct
63 Correct 49 ms 7224 KB Output is correct
64 Correct 44 ms 7204 KB Output is correct
65 Correct 44 ms 7236 KB Output is correct
66 Correct 43 ms 7164 KB Output is correct
67 Correct 45 ms 7196 KB Output is correct
68 Correct 42 ms 7180 KB Output is correct
69 Correct 46 ms 7260 KB Output is correct
70 Correct 457 ms 68860 KB Output is correct
71 Correct 51 ms 7240 KB Output is correct
72 Correct 547 ms 68780 KB Output is correct
73 Correct 492 ms 68880 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 316 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 212 KB Output is correct
79 Correct 6 ms 1136 KB Output is correct
80 Correct 503 ms 68760 KB Output is correct
81 Correct 520 ms 68808 KB Output is correct
82 Correct 528 ms 68760 KB Output is correct
83 Correct 482 ms 68824 KB Output is correct
84 Correct 476 ms 68852 KB Output is correct
85 Correct 506 ms 68748 KB Output is correct
86 Correct 135 ms 23768 KB Output is correct
87 Correct 1 ms 212 KB Output is correct