Answer / parvathy mohan

# include <stdio.h>
# include <conio.h>
void main()
{
int a;
printf("\n enter a number");
scanf("%d",&number);
getch();
}

Answer / pawanjha12

Here in the scanf("%c\n");
it is just take a input. and, it will store that input
value anywhere.
it would be just garbage value. ok.........
nothing is output.
say, null pointer assignment.........

Given an int variable n that has already been declared and initialized to a positive value, and another int variable j that has already been declared, use a do...while loop to print a single line consisting of n asterisks. Thus if n contains 5, five asterisks will be printed. Use no variables other than n and j .

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Assume that the int variables i and j have been declared, and that n has been declared and initialized. Write code that causes a "triangle" of asterisks of size n to be output to the screen. Specifically, n lines should be printed out, the first consisting of a single asterisk, the second consisting of two asterisks, the third consistings of three, etc. The last line should consist of n asterisks. Thus, for example, if n has value 3, the output of your code should be * ** *** You should not output any space characters. Hint: Use a for loop nested inside another for loop.

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