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  1. #include <stdio.h>
  2.  
  3. int fibSum10(int n, int a, int b)
  4. {
  5.     int t, sum = 0;
  6.     while (--n)
  7.     {
  8.         t = a;
  9.         a = b;
  10.         b += t;
  11.         // sum += b;
  12.     }
  13.     sum = b;
  14.     n = 10;
  15.     while (--n)
  16.     {
  17.         t = a;
  18.         a = b;
  19.         b += t;
  20.         sum += b;
  21.     }
  22.     return sum;
  23. }
  24.  
  25. int main()
  26. {
  27.     for (int i = 1; i < 10; ++i) printf("n = %d, sum = %d\n", i, fibSum10(i, 0, 1));
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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n = 1, sum = 143
n = 2, sum = 231
n = 3, sum = 374
n = 4, sum = 605
n = 5, sum = 979
n = 6, sum = 1584
n = 7, sum = 2563
n = 8, sum = 4147
n = 9, sum = 6710
https://ideone.com/CreBzr
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
secret

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