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

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