Post Test

Please answer the following problems to the best of your ability without any outside help. You can stop working on a problem after you worked on it for about five minutes without solving it.

Problems

Write the function char* upper_center(char* str) to return the passed string str with the middle character(s) in uppercase.

• If str has an odd length, uppercase the middle character.

• If str has an even length, uppercase the middle two characters.

• If str has less than 3 characters then return str.

Example Input	Expected Output
upper_center('abc')	'aBc'
upper_center('abcd')	'aBCd'
upper_center('a')	'a'

#include <stdio.h> #include <string.h> char* upper_center(char* str){ // TODO }

Write a function int is_descending(int* nums) to do the following.

• Return 1 if the numbers in the list nums are sorted in descending order.

• Otherwise return 0.

• If the list nums has less than two numbers in it return 1.

Example Input	Expected Output
is_descending({2,3,4})	0
is_descending({1})	1
is_descending({4,3,2})	1

int is_descending(int* nums){ // TODO }

Write the function int sum67(int* nums) that takes a list of numbers and returns the total of the numbers in the list except for all the numbers whose position is between a 6 and 7 in the list (inclusive).

Example Input	Expected Output
sum67({1,2})	3
sum67({2, 6, 8, 7, 2})	4
sum67({3, 6, 7})	3

int sum67(int* nums)``{ // TODO }

Write the function int isAlmostPalindrome(char* x) that takes a string, x, and returns 1 if x can be a palindrome after deleting at most one character from it, and 0 otherwise. A string is a palindrome if the characters read the same backwards as forwards.

Example Input	Expected Output
isAlmostPalindrome("aba")	1
isAlmostPalindrome("abca")	1
isAlmostPalindrome("abc")	0

int isAlmostPalindrome(char* x)``{ // TODO }

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