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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.     }else if(x==-1) {
  12.        return sum;
  13.     }else if(x==-2) {
  14.        return count;
  15.     }else{
  16.        return -1;
  17.     }
  18. }
  19.  
  20. int main(void) {
  21.     printf("%d¥n", acc(3));
  22.     printf("%d¥n", acc(4));
  23.     printf("%d¥n", acc(-3));
  24.     printf("%d¥n", acc(-2));
  25.     printf("%d¥n", acc(-1));
  26.     printf("%d¥n", acc(5));
  27.     return 0;
  28. }
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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3¥n7¥n-1¥n2¥n7¥n12¥n
https://ideone.com/BDq3NB
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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