oj.uz

Submission #692253

# Submission time Handle Problem Language Result Execution time Memory
692253 2023-02-01T08:56:44 Z bdl Self Study (JOI22_ho_t2) C++17
100 / 100
 398 ms 9092 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include <array>
#include <iostream>
using namespace std;

const int N = 3e5;
const long long INF = 1e18;

int main() {
  int n, m;
  scanf("%d%d", &n, &m);
  static int a[N], b[N];
  for (int i = 0; i < n; i++)
    scanf("%d", &a[i]);
  for (int i = 0; i < n; i++) {
    scanf("%d", &b[i]);
    a[i] = max(a[i], b[i]);
  }
  long long low = 0, hi = INF;
  while (low < hi) {
    long long t = (low + hi) / 2 + 1, c = 0;
    for (int i = 0; i < n; i++) {
      long long x = (t + a[i] - 1) / a[i];
      if (x <= m)
        c += m - x;
      else
        c = max(-INF, c - (t - 1LL * m * a[i] + b[i] - 1) / b[i]);
    }
    if (c >= 0)
      low = t;
    else
      hi = t - 1;
  }
  printf("%lld\n", low);
  return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     scanf("%d", &a[i]);
      |     ~~~~~^~~~~~~~~~~~~
Main.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d", &b[i]);
      |     ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 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 4 ms 340 KB Output is correct
11 Correct 244 ms 2576 KB Output is correct
12 Correct 230 ms 2628 KB Output is correct
13 Correct 246 ms 2628 KB Output is correct
14 Correct 301 ms 2628 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 398 ms 3808 KB Output is correct
17 Correct 275 ms 9088 KB Output is correct
18 Correct 257 ms 8332 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 398 ms 3808 KB Output is correct
3 Correct 275 ms 9088 KB Output is correct
4 Correct 257 ms 8332 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 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 1 ms 212 KB Output is correct
13 Correct 138 ms 1464 KB Output is correct
14 Correct 78 ms 1068 KB Output is correct
15 Correct 63 ms 872 KB Output is correct
16 Correct 57 ms 756 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 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 6 ms 344 KB Output is correct
23 Correct 5 ms 444 KB Output is correct

Subtask #3
27.0 / 27.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 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 4 ms 340 KB Output is correct
11 Correct 244 ms 2576 KB Output is correct
12 Correct 230 ms 2628 KB Output is correct
13 Correct 246 ms 2628 KB Output is correct
14 Correct 301 ms 2628 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 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 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 138 ms 1464 KB Output is correct
24 Correct 78 ms 1068 KB Output is correct
25 Correct 63 ms 872 KB Output is correct
26 Correct 57 ms 756 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 5 ms 444 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 398 ms 3808 KB Output is correct
36 Correct 275 ms 9088 KB Output is correct
37 Correct 257 ms 8332 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 1 ms 304 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 304 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 5 ms 340 KB Output is correct
46 Correct 10 ms 468 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 42 ms 1696 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 4 ms 412 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 134 ms 4272 KB Output is correct
56 Correct 93 ms 2244 KB Output is correct
57 Correct 102 ms 2288 KB Output is correct

Subtask #4
29.0 / 29.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 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 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 138 ms 1464 KB Output is correct
10 Correct 78 ms 1068 KB Output is correct
11 Correct 63 ms 872 KB Output is correct
12 Correct 57 ms 756 KB Output is correct
13 Correct 1 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 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 5 ms 444 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 398 ms 3808 KB Output is correct
22 Correct 275 ms 9088 KB Output is correct
23 Correct 257 ms 8332 KB Output is correct
24 Correct 40 ms 1552 KB Output is correct
25 Correct 118 ms 3872 KB Output is correct
26 Correct 30 ms 1108 KB Output is correct
27 Correct 247 ms 8440 KB Output is correct
28 Correct 242 ms 8428 KB Output is correct
29 Correct 249 ms 8436 KB Output is correct
30 Correct 275 ms 8364 KB Output is correct
31 Correct 240 ms 8432 KB Output is correct
32 Correct 372 ms 3804 KB Output is correct
33 Correct 237 ms 9092 KB Output is correct
34 Correct 395 ms 3804 KB Output is correct

Subtask #5
9.0 / 9.0

# 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 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 4 ms 340 KB Output is correct
11 Correct 244 ms 2576 KB Output is correct
12 Correct 230 ms 2628 KB Output is correct
13 Correct 246 ms 2628 KB Output is correct
14 Correct 301 ms 2628 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 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 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 138 ms 1464 KB Output is correct
24 Correct 78 ms 1068 KB Output is correct
25 Correct 63 ms 872 KB Output is correct
26 Correct 57 ms 756 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 5 ms 444 KB Output is correct
34 Correct 1 ms 308 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 5 ms 340 KB Output is correct
42 Correct 10 ms 468 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 42 ms 1696 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 412 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 134 ms 4272 KB Output is correct
52 Correct 93 ms 2244 KB Output is correct
53 Correct 102 ms 2288 KB Output is correct
54 Correct 40 ms 1552 KB Output is correct
55 Correct 118 ms 3872 KB Output is correct
56 Correct 30 ms 1108 KB Output is correct
57 Correct 247 ms 8440 KB Output is correct
58 Correct 242 ms 8428 KB Output is correct
59 Correct 249 ms 8436 KB Output is correct
60 Correct 275 ms 8364 KB Output is correct
61 Correct 240 ms 8432 KB Output is correct
62 Correct 372 ms 3804 KB Output is correct
63 Correct 237 ms 9092 KB Output is correct
64 Correct 395 ms 3804 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 398 ms 3808 KB Output is correct
67 Correct 275 ms 9088 KB Output is correct
68 Correct 257 ms 8332 KB Output is correct
69 Correct 32 ms 1172 KB Output is correct
70 Correct 7 ms 532 KB Output is correct
71 Correct 1 ms 308 KB Output is correct
72 Correct 41 ms 1472 KB Output is correct
73 Correct 10 ms 576 KB Output is correct
74 Correct 2 ms 340 KB Output is correct
75 Correct 244 ms 8364 KB Output is correct
76 Correct 251 ms 8396 KB Output is correct
77 Correct 261 ms 8440 KB Output is correct
78 Correct 277 ms 8376 KB Output is correct
79 Correct 287 ms 8528 KB Output is correct
80 Correct 256 ms 8440 KB Output is correct
81 Correct 257 ms 6448 KB Output is correct
82 Correct 233 ms 6452 KB Output is correct