🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 A regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string “ABCDEDCBA” is a palindrome because it is the same when the string is read from left to right as...

🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 The Really Neato Calculator Company, Inc. has recently hired your team to help design their Super Neato Model I calculator. As a computer scientist you suggested to the company that it would be neato if this new...

⭐️⭐️⭐️ # 題目敘述 You are given an array of words where each word consists of lowercase English letters. wordA is a predecessor of wordB if and only if we can insert exactly one letter anywhere in wordA without changing the order of the other characters to make it equal to wordB . For example,...

🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 For hundreds of years Fermat’s Last Theorem, which stated simply that for n > 2 there exist no integers a, b, c > 1 such that an=bn+cna^n = b^n + c^nan=bn+cn , has remained elusively unproven. (A recent...

🌕🌗🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 From the article Number Theory in the 1994 Microsoft Encarta: “If a, b, c are integers such that a = bc, a is called a multiple of b or of c, and b or c is called a divisor or factor of a. If c is not ±1, b is called...

🌕🌗🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 The Joseph’s problem is notoriously known. For those who are not familiar with the original problem: from among n people, numbered 1, 2, ..., n , standing in circle every m-th is going to be executed and only the life...

🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 At an old railway station, you may still encounter one of the last remaining “train swappers”. A train swapper is an employee of the railroad, whose sole job it is to rearrange the carriages of trains. Once the...

⭐️⭐️⭐️⭐️ # 題目敘述 Given two sorted arrays nums1 and nums2 of size m and n respectively, return the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)) . # Example 1 Input: nums1 = [1,3], nums2 = [2] Output: 2.00000 Explanation: merged array = [1,2,3] and median is...

🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 TEX is a typesetting language developed by Donald Knuth. It takes source text together with a few typesetting instructions and produces, one hopes, a beautiful document. Beautiful documents use “ and ” to delimit...

🌕🌑🌑🌑🌑 # 題目連結 題目連結 Online Judge uDebug # 題目說明 Time limit: 3.000 seconds # 題目 One of the famous proofs of modern mathematics is Georg Cantor’s demonstration that the set of rational numbers is enumerable. The proof works by using an explicit enumeration of rational numbers as shown in the...