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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void) {
  5. 	char input[10000];
  6. 	fgets(input, 1000, stdin);
  7. 	int index = 0;
  8. 	int space = 0;
  9.  
  10. 	while(input[index++] == ' ');
  11. 	index--;
  12.  
  13. 	int end = strlen(input) - 1;
  14. 	while(input[end] == ' '){
  15. 		input[end--] = '\0';
  16. 	}
  17.  
  18. 	if(index >= end){
  19. 		printf("No words!");
  20. 		return 0;
  21. 	}
  22.  
  23. 	while(input[index] != '\0' && input[index] != '\n' && input[index] != '\r'){
  24. 		if(input[index] == ' '){
  25. 			if(space == 0){
  26. 				space = 1;
  27. 				printf("%c", input[index]);
  28. 			}
  29. 		}
  30. 		else{
  31. 			space = 0;
  32. 			printf("%c", input[index]);
  33. 		}
  34. 		index++;
  35. 	}
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0s 5320KB
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No words!
https://ideone.com/VPgTHT
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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