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  1. #include <stdio.h>
  2.  
  3. void myToUpper(char s[]){
  4.     int i;
  5.     for(i=0;s[i] != '\0';i++){
  6.         if('a' <= s[i] && s[i] <= 'z'){
  7.         	if('0'<=s[i] && s[i]<= '9'){
  8.         		s[i] = s[i] - 32;
  9.         	}
  10.         }
  11.     }
  12.     return;
  13. }
  14.  
  15. int main(void) {
  16. 	int i;
  17. 	char s[100];
  18. 	scanf("%s",s);
  19. 	printf("%s\n  -> ",s);
  20. 	myToUpper(s);
  21. 	printf("%s\n",s);
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
1NFORMAT1ON
stdout 
1NFORMAT1ON
  -> 1NFORMAT1ON
https://ideone.com/6ncxC0
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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