Ananagrams Most crossword puzzle fans are used to anagrams--groupsof words with the same letters in different orders--for exampleOPTS, SPOT, STOP, POTS and POST. Some words however do not have thisattribute, no matter how you rearrange their letter…
Where is the Marble? Raju and Meena love to play with Marbles. They have got a lotof marbles with numbers written on them. At the beginning, Rajuwould place the marbles one after another in ascending order ofthe numbers written on them. Then Meena…
:W Problem A: Football (aka Soccer) The Problem Football the most popular sport in the world (americans insist to call it "Soccer",but we will call it "Football"). As everyone knows, Brasil is the country that have mostWorld Cup title…
Cube painting We have a machine for painting cubes. It is supplied withthree different colors: blue,red and green. Each face of the cube gets oneof these colors. The cube's faces arenumbered as in Figure 1. Figure 1. Since a cube has 6 faces, our m…
How Many Points of Intersection? We have two rows. There are a dots on the toprow andb dots on the bottom row. We draw line segments connecting every dot on the top row with every dot on the bottom row. The dots are arranged in such a way that the…
The Snail A snail is at the bottom of a 6-foot well and wants to climb to the top.The snail can climb 3 feetwhile the sun is up, but slides down 1 foot at night while sleeping.The snail has a fatigue factorof 10%, which means that on each successiv…
Problem H The Land of Justice Input: standard input Output: standard output Time Limit: 4 seconds In the Land of Justice theselling price of everything is fixed all over the country. Nobody can buy a thingand sell it in double price. But, that create…
The ? 1 ? 2 ? ... ? n = k problem Theproblem Given the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k ? 1 ? 2 ? ... ? n = k For example: to obtain k = 12 , the expression to be used will be: -…
Overflow Write a program that reads an expression consisting of twonon-negative integer and an operator. Determine if either integer orthe result of the expression is too large to be represented as a``normal'' signed integer (typeinteger if you are…
点此连接到UVA10494 思路: 采取一种, 边取余边取整的方法, 让这题变的简单许多~ AC代码: #include<stdio.h> #include<string.h> int main() { long long mod; long long k, tmp; int len; int ans[10010]; char num[10010], ch[2]; while(scanf("%s%s%lld", num, ch, &mod) != EOF…
Integer Inquiry One of the first users of BIT's new supercomputer was Chip Diller. Heextended his explorationof powers of 3 to go from 0 to 333 and he explored taking various sumsof those numbers. ``This supercomputer is great,'' remarked Chip. ``I…
Product The Problem The problem is to multiply two integers X, Y. (0<=X,Y<10250) The Input The input will consist of a set of pairs of lines. Each line in pair contains one multiplyer. The Output For each input pair of lines the output line should…
Tree Recovery Little Valentine liked playing with binary trees very much. Her favoritegame was constructingrandomly looking binary trees with capital letters in the nodes. This is an example of one of her creations: D / \ / \ B E / \ \ / \ \ A C G…
Parentheses Balance You are given a string consisting of parentheses () and []. Astring of this type is said to be correct: (a) if it is the empty string (b) if A and B are correct, AB is correct, (c) if A is correct, (A ) and [A ] is correct. Writ…
Problem C: Babelfish You have just moved from Waterloo to a big city. The people here speakan incomprehensible dialect of a foreign language. Fortunately, you havea dictionary to help you understand them. Input consists of up to 100,000 dictionary en…
Problem E All in All Input: standard input Output: standard output Time Limit: 2 seconds Memory Limit: 32 MB You have devised a new encryption technique whichencodes a message by inserting between its characters randomly generatedstrings in a clever…
Problem C: Vito's family Background The world-known gangster Vito Deadstone is moving to New York. He hasa very big family there, all of them living in Lamafia Avenue. Sincehe will visit all his relatives very often, he is trying to find ahouse clo…
Not so Mobile Before being an ubiquous communications gadget, a mobile wasjust a structure made of strings and wires suspending colourfullthings. This kind of mobile is usually found hanging over cradlesof small babies. The figure illustrates a sim…
Don't Get Rooked In chess, the rook is a piece that can move any number of squaresvertically or horizontally. In this problem we will consider smallchess boards (at most 44) that can also contain walls through whichrooks cannot move. The goal is to…
Unix ls The computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced along with the new computer. Your assignment is to write the formatter for the ls function. Your…
ToLower()用于将字符串变为小写,注意字符串的不可变特性,需要重新赋值给另一个字符串变量. s = s.ToLower();//字符串具有不可变性,转换后需要重新赋值,不可仅有s.ToLower(); 这可以使用户的输入不区分大小写,例如验证码. ToUpper()用于将字符串全部变为大写,与上面类似. Trim()可以用于去掉两边的空格. string s1 = " a b c "; s1 = s1.Trim();//用于去除字符串两边的空格 Console.WriteLine…
Problem F: Factoring Large Numbers One of the central ideas behind much cryptography is that factoringlarge numbers is computationally intensive. In this context one mightuse a 100 digit number that was a product of two 50 digit primenumbers. Even wi…
Description Most crossword puzzle fans are used to anagrams--groups of words with the same letters in different orders--for example OPTS, SPOT, STOP, POTS and POST. Some words however do not have this attribute, no matter how you rearrange their lett…
