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  1. #include <stdio.h>
  2. int func(int n) {
  3.     int a = -1;
  4.  
  5.     for (int i = 1; i <= n; i++) {
  6.         a = 3 * a + 5;
  7.     }
  8.  
  9.     return a;
  10. }
  11.  
  12. int main(void) {
  13.     int n = 3;
  14.     printf("a%d = %d\n", n, func(n));
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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a3 = 38
https://ideone.com/jF0UDa
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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