oj.uz

Submission #337322

# Submission time Handle Problem Language Result Execution time Memory
337322 2020-12-19T17:25:13 Z spatarel Remittance (JOI19_remittance) C++17
100 / 100
 310 ms 28652 KB 
#include <stdio.h>

int main() {
  int n;
  scanf("%d", &n);
  int a[n];
  int b[n];
  for (int i = 0; i < n; i++) {
    scanf("%d%d", &a[i], &b[i]);
  }
  int counter = 0;
  for (int i = 0; counter < n; i = (i + 1) % n) {
    int remittance = (a[i] - b[i]) / 2;
    if (remittance > 0) {
      a[i] -= 2 * remittance;
      a[(i + 1) % n] += remittance;
      counter = 0;
    } else {
      counter++;
    }
  }
  bool ok1 = true;
  bool ok2 = false;
  for (int i = 0; i < n; i++) {
    ok2 |= a[i] > 1;
  }
  for (int i = 0; i < n; i++) {
    ok1 &= (a[i] == b[i]);
    ok2 &= (a[i] - 1 == b[i]);
  }
  if (ok1 || ok2) {
    printf("Yes\n");
  } else {
    printf("No\n");
  }
  return 0;
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:5:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
remittance.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |     scanf("%d%d", &a[i], &b[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 368 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 0 ms 364 KB Output is correct
39 Correct 0 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 0 ms 364 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 0 ms 364 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 1 ms 256 KB Output is correct
50 Correct 0 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 0 ms 256 KB Output is correct
53 Correct 0 ms 256 KB Output is correct
54 Correct 0 ms 364 KB Output is correct
55 Correct 0 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 0 ms 256 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 0 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 0 ms 364 KB Output is correct
62 Correct 0 ms 364 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 0 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 0 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 368 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 0 ms 364 KB Output is correct
39 Correct 0 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 0 ms 364 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 0 ms 364 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 0 ms 256 KB Output is correct
49 Correct 1 ms 256 KB Output is correct
50 Correct 0 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 0 ms 256 KB Output is correct
53 Correct 0 ms 256 KB Output is correct
54 Correct 0 ms 364 KB Output is correct
55 Correct 0 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 0 ms 256 KB Output is correct
58 Correct 0 ms 256 KB Output is correct
59 Correct 0 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 0 ms 364 KB Output is correct
62 Correct 0 ms 364 KB Output is correct
63 Correct 310 ms 27500 KB Output is correct
64 Correct 195 ms 11940 KB Output is correct
65 Correct 288 ms 26988 KB Output is correct
66 Correct 188 ms 12140 KB Output is correct
67 Correct 192 ms 13548 KB Output is correct
68 Correct 200 ms 15852 KB Output is correct
69 Correct 287 ms 27500 KB Output is correct
70 Correct 185 ms 12012 KB Output is correct
71 Correct 193 ms 13420 KB Output is correct
72 Correct 200 ms 15724 KB Output is correct
73 Correct 283 ms 27712 KB Output is correct
74 Correct 191 ms 12012 KB Output is correct
75 Correct 198 ms 13396 KB Output is correct
76 Correct 201 ms 15724 KB Output is correct
77 Correct 287 ms 27500 KB Output is correct
78 Correct 230 ms 19820 KB Output is correct
79 Correct 223 ms 19820 KB Output is correct
80 Correct 224 ms 19748 KB Output is correct
81 Correct 229 ms 19692 KB Output is correct
82 Correct 165 ms 12012 KB Output is correct
83 Correct 165 ms 12012 KB Output is correct
84 Correct 188 ms 12012 KB Output is correct
85 Correct 305 ms 28652 KB Output is correct
86 Correct 296 ms 28524 KB Output is correct
87 Correct 229 ms 20844 KB Output is correct
88 Correct 230 ms 20844 KB Output is correct