Programing problem : Toph-EasyProblems-Missing number

Programing problem : Toph-EasyProblems-Missing number






Solution : Code in C  language 

#include<stdio.h> int main() { int a,b,c,d,e,f; scanf("%d",&a); scanf("%d %d %d",&b,&c,&d); e=b+c+d; f=a-e; printf("%d",f); return 0; }

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Programing problem : Toph-Easyproblem-Pie Are Squared

Programing problem : Toph-Easyproblem-Pie Are Squared

Given the radius of a circle, calculate and print its area.

The area of a circle can be computed using the following formula:

$A = \pi r^2$

For pi, you can use 3.141592653589793, or acos(-1).

Input

The input will contain one floating point number r (r < 2000).

Output

Print the area of the circle (accurate to 10-4).

Solution : Code in  C  language 

#include<stdio.h> int main(){ int r; double pi=3.141592653589793,area; scanf("%d",&r); area=pi*r*r; printf("%f",area); return 0; }

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Programing Problem:Toph-Easyproblems-Add Them Up

Programing Problem:Add Them Up

Solution : Code  in C language 

#include<stdio.h> int main () { int a,b,sum; scanf("%d",&a); scanf("%d",&b); sum=a+b; printf("%d",sum); return 0; }

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Toph-Easyproblems-Copycut

Programing Problem : Copycut

solution : Code in C language 

#include<stdio.h> int main () { int a; scanf("%d",&a); printf("%d",a); return 0; }

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