MyString w/o #include<string>

#include <iostream>
//#include <stdio.h>
using namespace std;

const int size = 100;

class MyString{
private:
    char str[size];
public:
    MyString() {str[0]=0;}

    MyString(char a[]) {
        int i;
        for(i = 0; a[i]; i++)
            str[i] = a[i];
        str[i] = 0;
    }

    ~MyString() {}

    void show(){
        cout << str << endl;
    }

    MyString operator + (MyString X);
};


int main(){

    char a[size], b[size];

    cout << "Enter String 1: ";
    cin >> a;
    //cin.get(a, size);
    //scanf("%[^\n]s",a);
    cout << "Enter String 2: ";
    cin >> b;
    //cin.get(b, size);
    //scanf("%[^\n]s",b);

    MyString A(a), B(b);

    A.show();
    B.show();

    MyString C = A + B;

    C.show();

    return 0;
}


MyString MyString::operator + (MyString X){
    MyString temp;
    int i, b, x;

    for(i = 0, b = 0; str[i]; i++)
        b++;
    for(i = 0, x = 0; X.str[i]; i++)
        x++;

    if(b + x < size){
        for(i = 0; i < b; i++)
            temp.str[i] = str[i];
        for(i = 0; i < x; i++)
            temp.str[b + i] = X.str[i];
        temp.str[b + x] = 0;
    }

    else{
        cout << "Cannot Catenate" << endl;
    }
    return temp;
}