#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iostream>
#include <string.h>


// other includes and definitions

/* YOUR CODE HERE */

using namespace std;

// define your datatype here
typedef struct{
int Array[200]={0};
string ifneedstring;
}  myType;

// convert from string to myType
myType convert(string s){
	for(int i=0; i<s.length()/2; i++)
    {
        swap(s[i],s[s.length()-i-1]);
    }
    myType number;
    for(int i=0; i<s.length(); i++)
    {
        number.Array[i]=s[i]-'0';
    }
    cout<<s.length();
}
// convert from myType to string
string toStr(myType m){
    int n = sizeof(m.Array)/sizeof(m.Array[0]);
    for(int i=0; i<n/2; i++)
    {
        swap(m.Array[i],m.Array[n-i-1]);
    }
    myType number;
    /*for(int i=0; i<n; i++)
    {
        number.Array[i]=s[i]-'0';
    }*/

}

// compute a factorial
myType myFactorial(int n);

// finds the next prime, bigger than n
myType myPrime(myType n);

// finds d to the power of (positive) p
myType myPow(double d, int p);

// finds (natural) logarithm of d
myType myLog(double d);

// finds sinus of d
myType mySin(double d);

// finds square root of d
myType mySqrt(double d);

// finds a value of PI with n digits of precision (zeroes afterwards)
myType myPi(int n);

// computes an average of n valus in an array
myType myAvg(myType *data, int n);

// search for a value in an array of n numbers and return an index
int myFind(myType *data, int n, myType value);

// sorts data in an array of n numbers by (optimized) bubble sort algorithm
void mySort(myType *data, int n);

myType myFactorial(int n){
	/* YOUR CODE HERE */
}
myType myPrime(myType n){
	/* YOUR CODE HERE */
}
myType myPow(double d, int p){
	/* YOUR CODE HERE */
}
myType myLog(double d){
	/* YOUR CODE HERE */
}
myType mySin(double d){
	/* YOUR CODE HERE */
}
myType mySqrt(double d){
	/* YOUR CODE HERE */
}
myType myPi(int n){
	string pinumber="1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679";
    cout<<"3.";
    myType pi;
    pi.ifneedstring[0]='3';
    pi.ifneedstring[1]='.';
    for(int i=0;i<n;i++)
    {
        pi.ifneedstring[i+2]=pinumber[i];
        cout<<pinumber[i];
    }
    cout<<endl;
    return pi;
}