Answer Posted / saikiran

#include<stdio.h>
#include<conio.h>
void main()
{
char ch='d';
clrscr();
printf("1.\t""rajesh""\n");
printf("2.\t\\n\n");
printf("3.\t%%%c",ch);
getch();
}

to find the closest pair

2321

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why use functions a) writing functions avoids rewriting the same code over and over b) using functions it becomes easier to write programs and keep track of what they are doing c) a & b d) none of the above

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Here is a good puzzle: how do you write a program which produces its own source code as output?

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