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  1. #include <stdio.h>
  2. int a;
  3. void kakunin1(int a){
  4.      a = a;
  5. }
  6. void kakunin2(int b){
  7.     int a;
  8.     a = b;
  9. }
  10. void kakunin3(int b){
  11.     a = b;
  12. }
  13. int main(void) {
  14.     printf("a = %d\n", a);
  15.     a = 20;
  16.     printf("a = %d\n", a);
  17.     kakunin1(20);
  18.     printf("a = %d\n", a);
  19.     kakunin2(30);
  20.     printf("a = %d\n", a);
  21.     kakunin3(40);
  22.     printf("a = %d\n", a);
  23.  
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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Standard input is empty
stdout
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a = 0
a = 20
a = 20
a = 20
a = 40
https://ideone.com/fAhkwg
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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