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  1. #include <stdio.h>
  2. #include<conio.h>
  3.  
  4. void main()
  5. {
  6. int i,j,r;
  7. char ch='A';
  8.  
  9. printf("Enter no of rows:");
  10. scanf("%d",&r);
  11.  
  12. for(i=1;i<=r;i++)
  13. {
  14. for(j=1;j<=i;j++)
  15. {
  16. printf("%c",ch);
  17. ch++
  18.  
  19. }
  20. }
  21. getch();
  22. }
  23.  
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:1: error: illegal character: '#'
#include <stdio.h>
^
Main.java:1: error: class, interface, or enum expected
#include <stdio.h>
         ^
Main.java:2: error: illegal character: '#'
#include<conio.h>
^
Main.java:7: error: class, interface, or enum expected
    char ch='A';
    ^
Main.java:9: error: class, interface, or enum expected
    printf("Enter no of rows:");
    ^
Main.java:10: error: class, interface, or enum expected
    scanf("%d",&r);
    ^
Main.java:12: error: class, interface, or enum expected
    for(i=1;i<=r;i++)
    ^
Main.java:12: error: class, interface, or enum expected
    for(i=1;i<=r;i++)
            ^
Main.java:12: error: class, interface, or enum expected
    for(i=1;i<=r;i++)
                 ^
Main.java:14: error: class, interface, or enum expected
        for(j=1;j<=i;j++)
                ^
Main.java:14: error: class, interface, or enum expected
        for(j=1;j<=i;j++)
                     ^
Main.java:17: error: class, interface, or enum expected
            ch++
            ^
Main.java:22: error: class, interface, or enum expected
}
^
13 errors
stdout
Standard output is empty