C Programming Language || Hands On Coding

#include<stdio.h>
#include<math.h>

int main()
{
    float x1,y1,x2,y2,distance;
    printf("Enter point 1 coordinates(x1,y1):");
    scanf("%f %f",&x1,&y1);
    printf("Enter point 2 coordinates(x2,y2):");
    scanf("%f %f",&x2,&y2);
    distance = sqrt( pow(x2-x1,2) + pow(y2 - y1,2));
    printf("Distance between two points is:%.2f",distance);
    return 0;
}

#include<stdio.h>
#include<math.h>
int main()
{
    int prinicipalAmt,years;
    float rate,amount,compoundInterest;
    printf("Enter Pricipal Amount:");
    scanf("%d",&prinicipalAmt);
    printf("Enter Time (in years):");
    scanf("%d",&years);
    printf("Enter rate:");
    scanf("%f",&rate);
    amount= prinicipalAmt * pow(( 1 + rate / 100.0 ),years);
    compoundInterest = amount - prinicipalAmt;
    printf("Compound Interest: %.2f\n",compoundInterest);
    printf("Total Amount: %.2f",amount);
    return 0;
}

#include <stdio.h>

int main() {
    int a=10,b=20;
    printf("Before Swapping:\n");
    printf("a=%d ,b=%d\n",a,b);
    a = a + b;
    b = a - b;
    a = a - b;
    printf("After Swapping:\n");
    printf("a=%d ,b=%d",a,b);
    return 0;
}

#include <stdio.h>

int main() {
    int a, b, temp;
    a = 10, b = 20;
    printf("Before swapping:\n");
    printf("a = %d , b = %d", a, b);
    temp = a;
    a = b;
    b = temp;
    printf("\nAfter swapping:\n");
    printf("a = %d , b = %d", a, b);
    return 0;
}

#include <stdio.h>

int main() {
    int number, cube, square;
    printf("Enter any number:");
    scanf("%d", &number);
    square = number * number;
    cube = number * number * number;
    printf("Square of %d is : %d", number, square);
    printf("\nCube of %d is : %d", number, cube);
    return 0;
}

#include <stdio.h>

int main() {
    float celsius, fahrenheit;
    printf("Enter temperature in celsius:");
    scanf("%f", &celsius);
    fahrenheit = (celsius * 9 / 5.0) + 32;
    printf("Celsius %.2f converted to Fahrenheit is : %.2f", celsius, fahrenheit);
    return 0;
}

#include <stdio.h>
#define PI 3.14

int main() {
    float radius, area;
    printf("Enter radius of the circle");
    scanf("%f", &radius);
    area = PI * radius * radius;
    printf("Area of circle is : %.2f", area);
    return 0;
}