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Submission #886968

# Submission time Handle Problem Language Result Execution time Memory
886968 2023-12-13T09:58:55 Z stefanneagu Self Study (JOI22_ho_t2) C++17
100 / 100
 206 ms 11384 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

const int nmax = 3e5 + 1;

int a[nmax], b[nmax], n, m;

bool check(int x) {
  int day = 0;
  for(int i = 1; i <= n; i++){
    if(x <= a[i] * m) day += (x + a[i] - 1) / a[i];
    else day += m + (x - a[i] * m + b[i] - 1) / b[i];
    if(day > n * m) return 0;
  }
  return 1;
}

int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  cin >> n >> m;
  for(int i = 1; i <= n; i ++) {
    cin >> a[i];
  }
  for(int i = 1; i <= n; i ++) {
    cin >> b[i];
    a[i] = max(a[i], b[i]);
  }
  int l = 0, r = 1e18, ans = 0;
  while(l <= r) {
    int mid = (l + r) / 2;
    if(check(mid) == true) {
      ans = mid;
      l = mid + 1;
    } else {
      r = mid - 1;
    }
  }
  cout << ans;
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2548 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 4956 KB Output is correct
12 Correct 79 ms 5072 KB Output is correct
13 Correct 67 ms 5036 KB Output is correct
14 Correct 55 ms 4952 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 26 ms 6484 KB Output is correct
17 Correct 79 ms 11344 KB Output is correct
18 Correct 80 ms 10836 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 26 ms 6484 KB Output is correct
3 Correct 79 ms 11344 KB Output is correct
4 Correct 80 ms 10836 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 40 ms 4748 KB Output is correct
14 Correct 27 ms 4700 KB Output is correct
15 Correct 20 ms 4712 KB Output is correct
16 Correct 17 ms 4700 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 2 ms 2396 KB Output is correct
23 Correct 2 ms 2652 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2548 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 4956 KB Output is correct
12 Correct 79 ms 5072 KB Output is correct
13 Correct 67 ms 5036 KB Output is correct
14 Correct 55 ms 4952 KB Output is correct
15 Correct 2 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 40 ms 4748 KB Output is correct
24 Correct 27 ms 4700 KB Output is correct
25 Correct 20 ms 4712 KB Output is correct
26 Correct 17 ms 4700 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 26 ms 6484 KB Output is correct
36 Correct 79 ms 11344 KB Output is correct
37 Correct 80 ms 10836 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2508 KB Output is correct
40 Correct 1 ms 2508 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 2 ms 2616 KB Output is correct
46 Correct 3 ms 2652 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 15 ms 5572 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 2508 KB Output is correct
51 Correct 2 ms 2528 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 46 ms 7604 KB Output is correct
56 Correct 25 ms 5996 KB Output is correct
57 Correct 20 ms 5976 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 40 ms 4748 KB Output is correct
10 Correct 27 ms 4700 KB Output is correct
11 Correct 20 ms 4712 KB Output is correct
12 Correct 17 ms 4700 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 2 ms 2652 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 26 ms 6484 KB Output is correct
22 Correct 79 ms 11344 KB Output is correct
23 Correct 80 ms 10836 KB Output is correct
24 Correct 26 ms 5468 KB Output is correct
25 Correct 62 ms 7456 KB Output is correct
26 Correct 11 ms 5212 KB Output is correct
27 Correct 79 ms 10924 KB Output is correct
28 Correct 85 ms 10752 KB Output is correct
29 Correct 86 ms 10816 KB Output is correct
30 Correct 105 ms 10924 KB Output is correct
31 Correct 179 ms 10832 KB Output is correct
32 Correct 97 ms 6296 KB Output is correct
33 Correct 206 ms 11384 KB Output is correct
34 Correct 88 ms 6236 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2548 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 4956 KB Output is correct
12 Correct 79 ms 5072 KB Output is correct
13 Correct 67 ms 5036 KB Output is correct
14 Correct 55 ms 4952 KB Output is correct
15 Correct 2 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 40 ms 4748 KB Output is correct
24 Correct 27 ms 4700 KB Output is correct
25 Correct 20 ms 4712 KB Output is correct
26 Correct 17 ms 4700 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2508 KB Output is correct
36 Correct 1 ms 2508 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 2 ms 2616 KB Output is correct
42 Correct 3 ms 2652 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 15 ms 5572 KB Output is correct
45 Correct 1 ms 2392 KB Output is correct
46 Correct 1 ms 2508 KB Output is correct
47 Correct 2 ms 2528 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 46 ms 7604 KB Output is correct
52 Correct 25 ms 5996 KB Output is correct
53 Correct 20 ms 5976 KB Output is correct
54 Correct 26 ms 5468 KB Output is correct
55 Correct 62 ms 7456 KB Output is correct
56 Correct 11 ms 5212 KB Output is correct
57 Correct 79 ms 10924 KB Output is correct
58 Correct 85 ms 10752 KB Output is correct
59 Correct 86 ms 10816 KB Output is correct
60 Correct 105 ms 10924 KB Output is correct
61 Correct 179 ms 10832 KB Output is correct
62 Correct 97 ms 6296 KB Output is correct
63 Correct 206 ms 11384 KB Output is correct
64 Correct 88 ms 6236 KB Output is correct
65 Correct 1 ms 2396 KB Output is correct
66 Correct 26 ms 6484 KB Output is correct
67 Correct 79 ms 11344 KB Output is correct
68 Correct 80 ms 10836 KB Output is correct
69 Correct 19 ms 5212 KB Output is correct
70 Correct 5 ms 2524 KB Output is correct
71 Correct 1 ms 2396 KB Output is correct
72 Correct 28 ms 5436 KB Output is correct
73 Correct 6 ms 2652 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 86 ms 10836 KB Output is correct
76 Correct 97 ms 10748 KB Output is correct
77 Correct 106 ms 10928 KB Output is correct
78 Correct 135 ms 10928 KB Output is correct
79 Correct 184 ms 10836 KB Output is correct
80 Correct 194 ms 10792 KB Output is correct
81 Correct 196 ms 8940 KB Output is correct
82 Correct 194 ms 8944 KB Output is correct