diff options
Diffstat (limited to 'assignments/23-basic-calculator.c')
| -rw-r--r-- | assignments/23-basic-calculator.c | 149 |
1 files changed, 136 insertions, 13 deletions
diff --git a/assignments/23-basic-calculator.c b/assignments/23-basic-calculator.c index 203fdf8..3a5aaf0 100644 --- a/assignments/23-basic-calculator.c +++ b/assignments/23-basic-calculator.c @@ -1,23 +1,146 @@ #include <stdio.h> -int menu_option(char *choice) +void read_values(int *a, int *b) { - printf( - "Basic Calculator\n" - "================\n" - "Menu:\n" - " + Add\n" - " - Subtract\n" - " * Multiply\n" - " / Divide\n" - " q Quit\n\n" - ); + printf("Enter two values: "); + scanf("%d%d", a, b); } int main(void) { - char *choice; - menu_option(&choice); + int a, b, c, choice; + for (;;) { + printf("\nEnter:\n1. Addition\n2. Subtraction\n3. Multiplication\n4. Division\n5. Exit\n\n"); + printf("Enter choice: "); + scanf("%d", &choice); + switch (choice) { + case 1: + read_values(&a, &b); + printf("The sum of %d and %d is %d\n", a, b, a + b); + break; + case 2: + read_values(&a, &b); + printf("The difference of %d and %d is %d\n", a, b, a - b); + break; + case 3: + read_values(&a, &b); + printf("The product of %d and %d is %d\n", a, b, a * b); + break; + case 4: + read_values(&a, &b); + if (b == 0) { + printf("Can not divide by zero.\n"); + return 0; + } + printf("The quotient of %d and %d is %d\n", a, b, a / b); + break; + case 5: + printf("\nBye\n\n"); + return 0; + default: + printf("Invalid choice\nPlease choose a valid option given in the menu.\n"); + } + } return 0; } +/* +Output: +=== Set 1 === + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 1 +Enter two values: 123 456 +The sum of 123 and 456 is 579 + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 2 +Enter two values: 789 3456 +The difference of 789 and 3456 is -2667 + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 3 +Enter two values: 78 45 +The product of 78 and 45 is 3510 + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 4 +Enter two values: 12 5 +The quotient of 12 and 5 is 2 + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 5 + +Bye + +=== Set 2 === + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 4 +Enter two values: 1 0 +Can not divide by zero. + +=== Set 3 === + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 0 +Invalid choice +Please choose a valid option given in the menu. + +Enter: +1. Addition +2. Subtraction +3. Multiplication +4. Division +5. Exit + +Enter choice: 5 + +Bye + + + +*/ + |