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  1. #include <stdio.h>
  2.  
  3. int sgn(int v) {
  4.     return (!!v) | (v >> 31);
  5. }
  6.  
  7. int main(void) {
  8. 	for (int i = -10 ; i != 11 ; i++) {
  9. 		printf("%d : %d\n", i, sgn(i));
  10. 	}
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 2292KB
comments (?)
stdin 
Standard input is empty
stdout 
-10 : -1
-9 : -1
-8 : -1
-7 : -1
-6 : -1
-5 : -1
-4 : -1
-3 : -1
-2 : -1
-1 : -1
0 : 0
1 : 1
2 : 1
3 : 1
4 : 1
5 : 1
6 : 1
7 : 1
8 : 1
9 : 1
10 : 1
https://ideone.com/T6HCpE
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
public

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