Class Practice 1a
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#include <stdio.h>
#include <time.h>

int main(){

        int i, r;

        srand(time(NULL));
        for(i=0;i<30;i++){
                r=rand()%50+50;
                cout << r << endl;
        }
        return 0;
}


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Class Practice 1b
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#include <stdio.h>
#include <time.h>

int main(){

        int i, r;

        srand(time(NULL));

        for(i=0;i<20;i++){
                r=rand()%9-4;
                cout << r << endl;
        }

        return 0;
}


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Class Practice 1c
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#include <stdio.h>
#include <time.h>

int main(){

        int i;
        char r;

        srand(time(NULL));

        for(i=0;i<20;i++){
                r=rand()%7+'a';
                cout << r << endl;
        }

        return 0;
}