Use of #define in C program.
#define p printf
#define s scanf
int main()
{
float rs, paise;
p("Enter
Price:");
s("%f",
&rs);
paise = rs * 100;
p("Price in
Paise = %.2f", paise);
return 0;
}
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C program to perform mathematical operations on characters.
#include<stdio.h>
int main()
{
char ch1, ch2;
ch1 = 'A';
ch2 = 'B';
printf("Addition
of two characters: %d", ch1 + ch2);
//Ascii of A is 65,
Ascii of B is 66, hence addition is 131.
//"%d" in
printf will print 131.
//"%c"
will print corresponding character of 131.
return 0;
} |
Use of various Data Types in C program.
#include<stdio.h>
int main()
{
int rollno;
char name[20];
float age;
char grade;
printf("Enter
your roll no.:");
scanf("%d",
&rollno);
printf("Enter
your name:");
scanf("%s",
name);
printf("Enter
your age:");
scanf("%f",
&age);
printf("Enter
your grade:");
scanf("
%c", &grade);
//Note: if program
not read value properly,
//leave one space
before " %c"
//Logic for Printing
output....
printf("========================\n");
printf("Your
Roll No is %d.\n", rollno);
printf("Your
Name is %s.\n", name);
printf("Your
Age is %.1f.\n", age);
//Note:
"%.1f" will print with one decimal point
printf("Your
Grade is %c.\n", grade);
printf("========================\n");
return 0;
} |
#include<stdio.h> int main() { //following printf will ring a beep sound 3 times. printf("\a \a \a"); //Note: Here \a stands for Alert //Each \a will ring a one beep sound return 0; }
You may also like to learn following programs:
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| C program to print your name and address(Static program).
#include<stdio.h>
int main()
{
printf("Name:
ABC PATEL \n");
printf("Address:
11-PQR Society, Nr. Bank \n");
printf("Ahmedabad,
Gujarat, India.");
return 0;
} |
