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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. int i, j, k;
  6. for (i =0; i<3; i++) {
  7. for(j=0; j< 26; j++)
  8. for(k = 0; k <2; k++)
  9. printf("%c", 'A' +j +k*32);
  10. printf("\n");
  11. }
  12. return 0;
  13. }
  14.  
Success #stdin #stdout 0.02s 1720KB
stdin
Standard input is empty
stdout
AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz