#include
#include
void main()
{
int x=5;
double y;
y=pow(x,2);
printf("%d",y);
}
#include
#include
void main()
{
int x=5;
pow(x,2);
printf("%d",x);
}
#include
void main()
{
float inputnumber=0,result=0;
printf("Input a number:\n");
scanf("%f",&inputnumber);
result=inputnumber*inputnumber;
printf("the result is :%f",result);
}