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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. int i,j,n;
  5. scanf("%d",&n);
  6. for(i=1;i<=n;i++){
  7. char ch='A';
  8. for(j=1;j<=i;j++){
  9. printf("%c ",ch);
  10. ch++;
  11. }
  12. printf("\n");
  13. }
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5312KB
stdin
8
stdout
A 
A B 
A B C 
A B C D 
A B C D E 
A B C D E F 
A B C D E F G 
A B C D E F G H