潘猫猫的世界

Given two strings s and t which consist of only lowercase letters.String t is generated by random shuffling string s and then add one more letter at a random position.Find the letter that was

Write a function that takes a string as input and returns the string reversed.Example:Given s = "hello", return "olleh".反转字符串思路：对折交换即可完成代码如下：char* reverseString(char* s){ int i;

Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in their binary representation and return them as an array.Example:For num = 5

Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a1 → a2 ↘