# Answer to Question #45351 in C for Kate

Question #45351

5. Write a program that uses while loops to perform the following steps:

a. Prompt the user to input two integers: firstNum and secondNum (firstNum must be less than secondNum).

b. Output all odd numbers between firstNum and secondNum.

c. Output the sum of all even numbers between firstNum and secondNum.

d. Output the numbers and their squares.

e. Output the sum of the square of the odd numbers between firstNum and secondNum.

Thanks

a. Prompt the user to input two integers: firstNum and secondNum (firstNum must be less than secondNum).

b. Output all odd numbers between firstNum and secondNum.

c. Output the sum of all even numbers between firstNum and secondNum.

d. Output the numbers and their squares.

e. Output the sum of the square of the odd numbers between firstNum and secondNum.

Thanks

Expert's answer

`#include <stdio.h>`

int main() {

int firstNum, secondNum, sumEven = 0, sumSqaureEven = 0;

printf("Please enter the firstNum and secondNum\n");

scanf("%d %d", &firstNum, &secondNum);

if ( firstNum> secondNum ) {

printf("First number should be less than second\n");

return 0;

}

printf("Even numbers:\n");

for ( int i = firstNum; i <= secondNum; i++ ) {

if ( i % 2 == 0 ) {

sumEven += i;

} else {

printf("%d ", i);

sumSqaureEven += i*i;

}

}

printf("\nSum of all even numbers is %d\n", sumEven);

for ( int i = firstNum; i <= secondNum; i++ ) {

printf("Number : %d Square version:%d\n", i, i*i);

}

printf("Sum of all sqaures of odd numbers is %d\n", sumSqaureEven);

return 0;

}

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