Changes

<pre>

<pre>

BEGIN{

BEGIN{

printf("%-11s%-8s%-11s%-8s%-11s%-8s%-11s%-8s%-11s\n", "Student", "Only +", "Contains", "Only -", "Contains -", "Only *", "Contains *", "Only /", "Contains /")  

printf("%-11s%-8s%-11s%-8s%-11s%-8s%-11s%-8s%-11s\n", "Student", "Only +", "Contains", "Only -",

      "Contains -", "Only *", "Contains *", "Only /", "Contains /")  

}

}

{

{

#need to address divide by 0 issue

#need to address divide by 0 issue

printf("%-11s%-8s%-11s%-8s%-11s%-8s%-11s%-8s%-11s\n", student, int(o_addition_correct[student]*100/o_addition[student]), int(addition_correct[student]*100/addition[student]), int(o_subtraction_correct[student]*100/o_addition[student]), int(subtraction_correct[student]*100/subtraction[student]), int(o_multiplication_correct[student]*100/o_multiplication[student]), int(multiplication_correct[student]*100/multiplication[student]), int(o_division_correct[student]*100/o_division[student]), int(division_correct[student]*100/division[student]))   

printf("%-11s%-8s%-11s%-8s%-11s%-8s%-11s%-8s%-11s\n", student,

int(o_addition_correct[student]*100/o_addition[student]),

int(addition_correct[student]*100/addition[student]),

int(o_subtraction_correct[student]*100/o_addition[student]),  

int(subtraction_correct[student]*100/subtraction[student]),

int(o_multiplication_correct[student]*100/o_multiplication[student]),

int(multiplication_correct[student]*100/multiplication[student]),

int(o_division_correct[student]*100/o_division[student]),

int(division_correct[student]*100/division[student]))   

}

}