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  1. #include <stdio.h>
  2. int main(void)
  3. {
  4.    int n;
  5.    printf("N:");
  6.    scanf ("%i", &n);
  7.     int k=0;
  8.     while (n>=2){
  9.         ++k;
  10.         n/=2;
  11.     }
  12.    printf("K: %i\n",k);
  13.    return 0;
  14. }
Success #stdin #stdout 0s 4364KB
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stdin
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64
stdout
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N:K: 6
https://ideone.com/hTsi0n
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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