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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5.     int n = 0;
  6.     int a = 3;
  7.  
  8.     while (a <= 10000)
  9.     {
  10.         a=2*a-1;
  11.         n=n+1;
  12.     }
  13.  
  14.     printf("初めて10000を超えるときのa%d = %d\n", n, a);
  15.  
  16.     return 0;
  17. }
Success #stdin #stdout 0s 5280KB
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Standard input is empty
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初めて10000を超えるときのa13 = 16385
https://ideone.com/iydBTc
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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