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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int i;
  5. char s[10];
  6. scanf("%s",s);
  7. for(i=0;s[i] != '\0';i++){
  8. if('A' <= s[i] && s[i] <= 'Z')
  9. s[i] = s[i] + 32;
  10. }
  11. printf("%s\n",s);
  12.  
  13. return 0;
  14. }
  15.  
Success #stdin #stdout 0.01s 5296KB
stdin
AbcDefG
stdout
abcdefg