PLEASE explain each line of this code

SOURCE CODE:

#include

float power(float x,int n);

int main(){

float x,result;

int n;

printf(" Enter a value for x: ");

scanf("%f",&x);

printf(" Enter a value for n: ");

scanf_s("%d",&n);

result=power(x,n);

printf(" %f raised to the power %d = %f ",x,n,result);

return 0;

}

float power(float y,int m){

if(m==0 ){

return (1.0);

}

else if (m>=1){

return(y * power(y,m-1));

}

else{

return (1.0/(y*power(y,-m-1)));

}

}