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  1. #include <stdio.h>
  2.  
  3. int acc(int x) {
  4.     static int sum = 0;
  5.     static int count = 0;
  6.  
  7.     if (x >= 0) {
  8.         sum += x;
  9.         count++;
  10.         return sum;
  11.     }
  12.     else if (x == -1) {
  13.         return sum;
  14.     }
  15.     else if (x == -2) {
  16.         return count;
  17.     }
  18.     else {  // x <= -3
  19.         return -1;
  20.     }
  21. }
  22.  
  23. int main(void) {
  24.     printf("%d\n", acc(3));
  25.     printf("%d\n", acc(4));
  26.     printf("%d\n", acc(-3));
  27.     printf("%d\n", acc(-2));
  28.     printf("%d\n", acc(-1));
  29.     printf("%d\n", acc(5));
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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Standard input is empty
stdout
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3
7
-1
2
7
12
https://ideone.com/80rnBz
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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