## Google Code Jam Building Palindromes

Problem
Anna has a row of N blocks, each with exactly one letter from A to Z written on it. The blocks are numbered 1, 2, …, N from left to right.[……]

Problem
As the football coach at your local school, you have been tasked with picking a team of exactly P students to represent your school. There ar[……]

## Google Code Jam Lucky Dip

Problem
You are participating in the Grand Kickstart Lucky Dip with many fantastic and amazing prizes (and some not so good ones)!

In this Lucky D[……]

## Google Code Jam Even Digits

Problem

Supervin has a unique calculator. This calculator only has a display, a plus button, and a minus button. Currently, the integer N is displa[……]

## Google Code Jam Grid Escape

Problem
You are designing a new “escape” adventure that uses a rectangular grid of rooms (unit cells) with R rows and C columns. Each room has four d[……]

## LeetCode 168. Excel Sheet Column Title

 123456 class Solution {     public String convertToTitle(int n) {         String ret="";         int t=n;         while(t!=0){             ret=(char)([......]

## LeetCode 1018. Binary Prefix Divisible By 5

 12345 /**  * Return an array of size *returnSize.  * Note: The returned array must be malloced, assume caller calls free().  */ bool* prefixesDivBy5(i[......]