C Program To Find Area of Square

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C Program To Find Area of Square (Simple Way)

Algorithm

• Program Start
• Declare Variables
• Input side from the User
• Calculating Area of square
• Display Result
• Program End

Program

#include<stdio.h>

void main()
{
   int side, aos;

   printf("\nEnter the Length of Side : ");
   scanf("%d", &side);

   aos = side * side;
   printf("Area of Square : %d", aos);

}

Output

Enter the Length of Side : 6
Area of Square : 36

 

C Program To Find Area of Square Using Function

Algorithm

• Program Start
• Declare Variables
• Input side from the User
• Calling Function to Find Area of square
• Calculating Area of square
• Display Result
• Program End

Program

#include<stdio.h>
void aos(int s)
{
   int area;
   area = s*s;
   printf("Area of Square : %d", area);
}
void main()
{
   int side;

   printf("\nEnter the Length of Side : ");
   scanf("%d", &side);

   aos(side);
}

Output

Enter the Length of Side : 3
Area of Square : 9

C Program To Find Area of Square Using Pointer

Program

#include<stdio.h>
int aos(int *s)
{
   int area;
   area = (*s)*(*s);
   return area;
}
void main()
{
   int side;

   printf("\nEnter the Length of Side : ");
   scanf("%d", &side);

   printf("Area of Square : %d",aos(&side));

}

Output

Enter the Length of Side : 9
Area of Square : 81

C Program To Find Area of Square Using #define Macro

Program

#include<stdio.h>
#define aos(side) (side*side)
void main()
{
   int side, aos;

   printf("\nEnter the Length of Side : ");
   scanf("%d", &side);

   printf("Area of Square : %d", aos(side));

}

Output

Enter the Length of Side : 12
Area of Square : 144

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