Train Swapping At an old railway station, you may still encounter one of the lastremaining ``train swappers''. A train swapper is an employee ofthe railroad, whose sole job it is to rearrange thecarriages of trains. Once the carriages are arranged…
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…
Bandwidth Given a graph (V,E) where V is a set of nodes and E is a set of arcsin VxV, and anordering on the elements in V, then the bandwidth of a node v is defined as the maximum distance in theordering between v and any node to which it is connec…
Just the Facts The expression N!, read as `` N factorial," denotes the product of the first N positive integers, where N is nonnegative. So, for example, N N! 0 1 1 1 2 2 3 6 4 24 5 120 10 3628800 For this problem, you are to write a program that c…
Uniform Generator Computer simulations often require random numbers. One way to generatepseudo-random numbers is via a function of the form where `` " is the modulus operator. Such a function will generate pseudo-random numbers (seed) between 0 and…
06-图2 Saving James Bond - Easy Version(25 分) This time let us consider the situation in the movie "Live and Let Die" in which James Bond, the world's most famous spy, was captured by a group of drug dealers. He was sent to a small piece of land…
: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…
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…
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…
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…
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 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…
题目大意:给n个数的一个序列,通过交换相邻的两个数使得这n个数按照从小到大的顺序排列. Inversion index problem: count how many swaps are needed to make the list sorted. 使用冒泡排序解决. #include <cstdio> int main() { #ifdef LOCAL freopen("in", "r", stdin); #endif int T; scanf(&q…
Stones Time Limit : 5000/3000ms (Java/Other) Memory Limit : 65535/32768K (Java/Other) Total Submission(s) : 41 Accepted Submission(s) : 34 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Because of the wrong status of…
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…
