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  1. #include <stdio.h>
  2.  
  3. void removeDuplicateSpaces(char a[]){  //a-b---c
  4. //	char *a=*c;
  5. 	char *b=malloc(sizeof(char)*strlen(a));
  6. 	if(b==0){
  7. 		return;
  8. 	}
  9. 	int i=0,nf=0,space=0;
  10. 	for(;a[i]!='\0';i++){
  11. 		if(a[i] != ' '){             //a-b-
  12. 			if(space>1){
  13. 				b[nf]=a[i];
  14. 				nf++;
  15. 				space=0;
  16. 			}else{
  17. 				b[nf]=a[i];
  18. 				nf++;
  19. 			}
  20. 		}else{
  21. 			space++;
  22. 			if(space==1 && i!=0){
  23. 				b[nf]=' ';
  24. 				nf++;
  25. 			}
  26. 		}
  27. 	}
  28. 	b[i]='\0';
  29. 	strcpy(a,b);
  30. 	}
  31.  
  32. int main(void) {
  33. 	char *a="    Arista    is     hiring    from   ISM   Dhanbad";
  34. 	removeDuplicateSpaces(a);
  35. 	printf("%s",a);
  36. 	free(a);
  37. 	return 0;
  38. }
  39.  
Runtime error #stdin #stdout 0s 2376KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/geFH2w
Advance string trim
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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