1.C Program for Swapping Two numbers
#include<stdio.h>
int main()
{
int A,B,temp=0;
printf("Enter A, B values\n");
scanf("%d %d",&A,&B);
printf("Before Swapping A =%d\t B=%d",A,B);
temp=A;
A=B;
B=temp;
printf("\n After Swapping A=%d \t B=%d",A,B);
return 0;
}
Output:
Enter A, B values
6
8
Before Swapping A =6 B=8
After Swapping A=8 B=6
2.C Program using size of operator
#include<stdio.h>
int main()
{
int a;
float b;
char c;
printf("size of a is %d",sizeof(a));
printf("\nsize of b is %d",sizeof(b));
printf("\nsize of c is %d",sizeof(c));
return 0;
}
Output:
size of a is 4
size of b is 4
size of c is 1
3.C Program to write non formatted I/O functions
#include<stdio.h>
int main()
{
char c;
c=getchar();
putchar(c);
return 0;
}
Output:
C
C
4. C Program to calculate Quotient and reminder if divisor, dividend given
#include<stdio.h>
int main()
{
int Divisor,Dividend,Quotient,Reminder;
printf("Enter Dividend Value\n");
scanf("%d",&Dividend);
printf("Enter Divisor Value\n");
scanf("%d",&Divisor);
Quotient=Dividend/Divisor;
printf("\nQuotient Value is=%d",Quotient);
Reminder=Dividend%Divisor;
printf("\nReminder Value is=%d",Reminder);
return 0;
}
Output:
Enter Dividend Value
250
Enter Divisor Value
15
Quotient Value is=16
Reminder Value is=10
5.Write a C program to Find out Simple Intrest(SI)
#include<stdio.h>
int main()
{
int p,t;
float si,r;
printf("Enter Principle\t");
scanf("%d",&p);
printf("Enter duaration\t");
scanf("%d",&t);
printf("Enter rate of intrest\t");
scanf("%f",&r);
si=(p*t*r)/100;
printf("The Value of SI=%f",si);
return 0;
}
Output:
Enter Principle 10000
Enter duaration 5
Enter rate of intrest 3.5
The Value of SI=1750.000000
6.Write a C -Program to find maximum number among 3 numbers
#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c,max;
printf("Enter a, b, c values\n");
scanf("%d%d%d",&a,&b,&c);
max=a;
if(b>max)
{ max=b;
printf("b is maximum value=%d",max);
}
if(c>max)
{
max=c;
printf(" C is maximum values=%d",max);
}
return 0;
}
Output:
Enter a, b, c values
6
9
2
b is maximum value=9
7.Write a C program to identify entered character is upper case or lower case
#include<stdio.h>
#include<conio.h>
int main()
{
char ch;
printf("Enter a Letter\n");
scanf("%c",&ch);
if(ch>=65&&ch<=97)
{
printf("Letter is in upper case\t=%c",ch);
}
if(ch>=97&&ch<=122)
{
printf("Letter is in lower case\t=%c",ch);
}
return 0;
}
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