c语言2级程序填空（C language program 2 fill in the blanks）.docVIP

c语言2级程序填空（C language program 2 fill in the blanks） 1., please add fun function, fun function is to find the factorial of n. 2., please add main function, the function of the function is: 1+2, +3, +...... +N, and the sum of. For example, 1+2! +3! +...... +5, and for 153. 3., please add fun function, the function of the function is to determine whether a number is a prime number. When the number is prime, the function returns the string yes, or else returns no and output in the main function 4., please add main function, the function of the function is: find 1~100 (excluding 100) within the average value of all primes. 5., please add the fun function, the function of the function is: press0to9 statistics of a string of odd numbers, characters appear in the number of times, the results are stored in the array num. For example, enter x=1123.456+0.909*bc, and the result is 1=3,3=1,5=1,7=0,9=2. 6. the function of a given program is to separately count the number of uppercase and lowercase letters in a string For example: string SS input: AaaaBBb123CCccccd, then the output is: upper=5, lower=9. 7., please add the fun function, which is used to determine whether a year is a leap year. For example, 1900 is not a leap year; 2004 is a leap year. 8. please fill in some expressions on the function of fun on the line, from the keyboard input an integer n, the output of the Fibonacci series, the Fibonacci sequence is a sequence of integers, each of which is equal to the number of the sum of the two numbers, such as:..... 9., please add main function, the function of this function is: enter a set of integers from the keyboard, use the conditional expression to find the largest integer. Ends when the input integer is 0. For example, when you enter 123540, the maximum number is 5 10., the function is charged, the function is used to find the largest array of elements in the array subscript, and stored in the K refers to the storage unit. For example, enter the following int