oj.uz

Submission #807710

# Submission time Handle Problem Language Result Execution time Memory
807710 2023-08-04T22:32:20 Z dong_liu Self Study (JOI22_ho_t2) C++17
100 / 100
 353 ms 9092 KB 
#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:10:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:12:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   for (int i = 0; i < n; i++) scanf("%d", &a[i]);
      |                               ~~~~~^~~~~~~~~~~~~
Main.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     scanf("%d", &b[i]);
      |     ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 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
6 Correct 1 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 1 ms 304 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 210 ms 8388 KB Output is correct
12 Correct 210 ms 8416 KB Output is correct
13 Correct 223 ms 6516 KB Output is correct
14 Correct 266 ms 6452 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 345 ms 3880 KB Output is correct
17 Correct 227 ms 9036 KB Output is correct
18 Correct 213 ms 8432 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 345 ms 3880 KB Output is correct
3 Correct 227 ms 9036 KB Output is correct
4 Correct 213 ms 8432 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 304 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 0 ms 212 KB Output is correct
13 Correct 109 ms 4352 KB Output is correct
14 Correct 72 ms 3008 KB Output is correct
15 Correct 53 ms 2352 KB Output is correct
16 Correct 44 ms 1876 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 308 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 6 ms 348 KB Output is correct
23 Correct 4 ms 340 KB Output is correct

Subtask #3
27.0 / 27.0

# 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
6 Correct 1 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 1 ms 304 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 210 ms 8388 KB Output is correct
12 Correct 210 ms 8416 KB Output is correct
13 Correct 223 ms 6516 KB Output is correct
14 Correct 266 ms 6452 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 308 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 304 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 0 ms 212 KB Output is correct
23 Correct 109 ms 4352 KB Output is correct
24 Correct 72 ms 3008 KB Output is correct
25 Correct 53 ms 2352 KB Output is correct
26 Correct 44 ms 1876 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 348 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 345 ms 3880 KB Output is correct
36 Correct 227 ms 9036 KB Output is correct
37 Correct 213 ms 8432 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 4 ms 340 KB Output is correct
46 Correct 7 ms 564 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 38 ms 1688 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 308 KB Output is correct
51 Correct 4 ms 320 KB Output is correct
52 Correct 1 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 107 ms 4336 KB Output is correct
56 Correct 74 ms 2348 KB Output is correct
57 Correct 90 ms 2348 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 0 ms 308 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 304 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 0 ms 212 KB Output is correct
9 Correct 109 ms 4352 KB Output is correct
10 Correct 72 ms 3008 KB Output is correct
11 Correct 53 ms 2352 KB Output is correct
12 Correct 44 ms 1876 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 6 ms 348 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 345 ms 3880 KB Output is correct
22 Correct 227 ms 9036 KB Output is correct
23 Correct 213 ms 8432 KB Output is correct
24 Correct 35 ms 1468 KB Output is correct
25 Correct 104 ms 3944 KB Output is correct
26 Correct 26 ms 1168 KB Output is correct
27 Correct 212 ms 8524 KB Output is correct
28 Correct 217 ms 8364 KB Output is correct
29 Correct 219 ms 8436 KB Output is correct
30 Correct 221 ms 8376 KB Output is correct
31 Correct 214 ms 8400 KB Output is correct
32 Correct 336 ms 3800 KB Output is correct
33 Correct 212 ms 9092 KB Output is correct
34 Correct 353 ms 3804 KB Output is correct

Subtask #5
9.0 / 9.0

# 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
6 Correct 1 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 1 ms 304 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 210 ms 8388 KB Output is correct
12 Correct 210 ms 8416 KB Output is correct
13 Correct 223 ms 6516 KB Output is correct
14 Correct 266 ms 6452 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 308 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 304 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 0 ms 212 KB Output is correct
23 Correct 109 ms 4352 KB Output is correct
24 Correct 72 ms 3008 KB Output is correct
25 Correct 53 ms 2352 KB Output is correct
26 Correct 44 ms 1876 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 348 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 4 ms 340 KB Output is correct
42 Correct 7 ms 564 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 38 ms 1688 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 308 KB Output is correct
47 Correct 4 ms 320 KB Output is correct
48 Correct 1 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 107 ms 4336 KB Output is correct
52 Correct 74 ms 2348 KB Output is correct
53 Correct 90 ms 2348 KB Output is correct
54 Correct 35 ms 1468 KB Output is correct
55 Correct 104 ms 3944 KB Output is correct
56 Correct 26 ms 1168 KB Output is correct
57 Correct 212 ms 8524 KB Output is correct
58 Correct 217 ms 8364 KB Output is correct
59 Correct 219 ms 8436 KB Output is correct
60 Correct 221 ms 8376 KB Output is correct
61 Correct 214 ms 8400 KB Output is correct
62 Correct 336 ms 3800 KB Output is correct
63 Correct 212 ms 9092 KB Output is correct
64 Correct 353 ms 3804 KB Output is correct
65 Correct 1 ms 304 KB Output is correct
66 Correct 345 ms 3880 KB Output is correct
67 Correct 227 ms 9036 KB Output is correct
68 Correct 213 ms 8432 KB Output is correct
69 Correct 25 ms 1188 KB Output is correct
70 Correct 7 ms 468 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 33 ms 1468 KB Output is correct
73 Correct 8 ms 584 KB Output is correct
74 Correct 2 ms 340 KB Output is correct
75 Correct 217 ms 8356 KB Output is correct
76 Correct 225 ms 8480 KB Output is correct
77 Correct 220 ms 8340 KB Output is correct
78 Correct 233 ms 8396 KB Output is correct
79 Correct 255 ms 8396 KB Output is correct
80 Correct 226 ms 8380 KB Output is correct
81 Correct 202 ms 6400 KB Output is correct
82 Correct 202 ms 6452 KB Output is correct