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  1. #include <stdio.h>
  2.  
  3. int main(void){
  4. 	const char *str = "hello";
  5. 	int count[256] = {0};
  6.  
  7. 	for(int i = 0; str[i] != '\0'; i++)
  8. 		count[(unsigned char)str[i]]++;
  9.  
  10. 	for(int i = 0; str[i] !='\0'; i++){
  11. 		unsigned char ch = str[i];
  12. 		if(count[ch] != 0){
  13. 			printf("%c occurs %d times \n", ch, count[ch]);
  14. 			count[ch] = 0;
  15. 		}
  16. 	}
  17. }
Success #stdin #stdout 0s 2168KB
comments (?)
stdin 
Standard input is empty
stdout 
h occurs 1 times 
e occurs 1 times 
l occurs 2 times 
o occurs 1 times
https://ideone.com/Ns9quD
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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