Class Practice 1
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#include <iostream>

using namespace std;

int main(){

        int num, i=1;
        char letter;

        cout << "Input a letter: ";
	cin >> letter;

        cout << "Input an integer: ";
        cin >> num;

        cout << "The next "<< num <<" characters are ";
        while(i<=num){
                cout << (char)(letter+i) << endl;
                i = i + 1;
        }
	cout << endl;

        return 0;
}

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Class Practice 2
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#include <stdio.h>

int main(){

        int num, i=1;

        cout << "Enter an integer: ";
        cin >> num;

        while(i<=num){
                cout << i << "^2 = " << i*i << endl;
                i = i + 1;
        }

        return 0;
}

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Class Practice 3
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#include <stdio.h>

int main(){

        int factor, number;

        cout << "Enter a number: ";
        cin >> number;

        factor = number/2;
        while(number%factor !=0)
                factor--;

        cout << "The largest factor is " << factor << endl;


        return 0;
}

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Class Practice 4
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#include <stdio.h>

int main(){

        int x;

        do{
                cout << "Enter a number: ";
                cin >> x;
        }while(x%2==0);

        cout << "x=" << x << endl;

        return 0;
}

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Class Practice 5
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#include <iostream>
using namespace std;

int main(){

        int x;

        do{
                cout << "Enter a number: ";
                cin >> x;
        }while( x < 50 || x > 100);

        cout << "x=" << x << endl;

        return 0;
}

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Class Practice 6
-------------------------------------------------------
#include <iostream>
using namespace std;

int main(){

        int x,y;

        cout << "Enter x: ";
        cin >> x;

        do{
                cout << "Enter y: ";
                cin >> y;
        }while( x == y);

        cout << "x="<< x <<", y=" << y << endl;

        return 0;
}

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