Concepts Covered Solution /* Arithmetic Quiz Practice Program */ #include #inclu

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Concepts Covered

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/* Arithmetic Quiz Practice Program */ #include #include int numbers[10]; int clear(void); int initialize(void); int additionquiz(void); int subtractionquiz(void); int multiplicationquiz(void); int divisionquiz(void); /* Main Menu */ int main() { while(1==1) { int choice; initialize(); printf("Arithmetic Quiz 4/10/2012"); printf(" 1 - Addition Quiz 2 - Subtraction Quiz 3 - Multiplication Quiz 4 - Division Quiz 5 - Exit Program "); scanf("%d",&choice); if(choice==1) { clear(); additionquiz(); } else if(choice==2) { clear(); subtractionquiz(); } else if(choice==3) { clear(); multiplicationquiz(); } else if(choice==4) { clear(); divisionquiz(); } else if(choice==5) { exit(EXIT_SUCCESS); } else { printf(" %cPlease input a valid option ",7); main(); } } return 0; } /* Function for clearing the page */ int clear() { int i; for(i=0;i9) { a=0; diff++; } if(diff>9); { diff=0; } if(b>9); { b=0; } /* Main part of the addition quiz */ while(1==1) { printf(" %d + %d = ",numbers[a],numbers[b]); scanf("%d",&ans); if(ans==numbers[a]+numbers[b]) { printf(" Your answer is CORRECT!!! "); a++; } else { printf(" Your answer is WRONG!!! "); additionquiz(); } /* The loop for addition quiz" */ while(1==1) { printf(" 1 - Answer another addition question 2 - Go back to main menu 3 - Exit program "); scanf("%d",&again); if(again==1) { clear(); break; } else if(again==2) { clear(); main(); } else if(again==3) { exit(EXIT_SUCCESS); } else { printf("%cPlease input a valid option. ",7); continue; } } continue; } } /* Function for the subtraction quiz */ int subtractionquiz() { /* Randomizing the question in subtraction quiz */ int a,b,diff,ans,again; a=0; diff=1; if(a>9) { a=0; diff++; } if(diff>9); { diff=0; } b=a+diff; if(b>9); { b=0; } /* Main part of the subtraction quiz */ while(1==1) { /* Not allowing questions with negative answer */ while(numbers[a]9) { a=0; diff++; } if(diff>9); { diff=0; } if(b>9); { b=0; } /* Main part of the multiplication quiz */ while(1==1) { printf(" %d x %d = ",numbers[a],numbers[b]); scanf("%d",&ans); if(ans==numbers[a]*numbers[b]) { printf(" Your answer is CORRECT!!! "); a++; } else { printf(" Your answer is WRONG!!! "); clear(); multiplicationquiz(); } /* Loop for multiplication quiz */ while(1==1) { printf(" 1 - Answer another multiplication question 2 - Go back to main menu 3 - Exit program "); scanf("%d",&again); if(again==1) { clear(); break; } else if(again==2) { clear(); main(); } else if(again==3) { exit(EXIT_SUCCESS); } else { printf("%cPlease input a valid option. ",7); continue; } } continue; } } /* Function for division quiz */ int divisionquiz() { /* Randomizing the division quiz */ int a,b,diff,ans,again,remain; a=0; diff=1; if(a>9) { a=0; diff++; } if(diff>9); { diff=0; } b=a+diff; if(b>9); { b=0; } /*Main part of the division quiz */ while(1==1) { /* Not allowing division by 0 or answers less than 1 */ if(numbers[b]==0 || (numbers[a]

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