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  1. #include <stdio.h>
  2. int main (void)
  3. {
  4.     unsigned long long n, k, x, y, a[100000];
  5.     scanf ("%llu%llu", &n, &k);
  6.     for (x = 1, y = 1; x <= n; ++x)
  7.     {
  8.         if (x % 2 != 0)
  9.             a[y] = x;
  10.             y = y + 1;
  11.         //else
  12.           //continue;
  13.     }
  14.     for (x = 1, y = y + 1; x <= n; ++x)
  15.     {
  16.         if (x % 2 == 0)
  17.             a[y] = x;
  18.             y = y + 1;
  19.         //else
  20.             //continue;
  21.     }
  22.     printf ("%llu\n", a[k]);
  23.     return 0;
  24. }
Success #stdin #stdout 0s 2956KB
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https://ideone.com/QuShGj
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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