The organizers of a programming contest have decided to present t-shirts to participants. There are six different t-shirts sizes in this problem: S,M, L, XL, XXL, XXXL (sizes are listed in increasing order). The t-shirts are already prepared. For eac…
This is an interactive problem. You should use flush operation after each printed line. For example, in C++ you should usefflush(stdout), in Java you should use System.out.flush(), and in Pascal — flush(output). In this problem you should guess an ar…
Vasily exited from a store and now he wants to recheck the total price of all purchases in his bill. The bill is a string in which the names of the purchases and their prices are printed in a row without any spaces. Check has the format "name1price1n…
Vasily has a number a, which he wants to turn into a number b. For this purpose, he can do two types of operations: multiply the current number by 2 (that is, replace the number x by 2·x); append the digit 1 to the right of current number (that is, r…
Description Santa Claus has Robot which lives on the infinite grid and can move along its lines. He can also, having a sequence of m points p1, p2, ..., pm with integer coordinates, do the following: denote its initial location by p0. First, the robo…
Description Santa Claus decided to disassemble his keyboard to clean it. After he returned all the keys back, he suddenly realized that some pairs of keys took each other's place! That is, Santa suspects that each key is either on its place, or on th…
Description Santa Claus is the first who came to the Christmas Olympiad, and he is going to be the first to take his place at a desk! In the classroom there are n lanes of m desks each, and there are two working places at each of the desks. The lanes…
D. Santa Claus and a Palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus likes palindromes very much. There was his birthday recently. k of his friends came to him to co…
E. Santa Claus and Tangerines time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Claus has n tangerines, and the i-th of them consists of exactly ai slices. Santa Claus came to a school…
E. Subordinates time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are n workers in a company, each of them has a unique id from 1 to n. Exaclty one of them is a chief, his id is s. Each…
D. Sea Battle time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships con…
C. Road to Cinema time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t m…
题目链接:http://codeforces.com/problemset/problem/729/C C. Road to Cinema time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya is currently at a car rental service, and he wants to reach cinem…
A. Santa Claus and a Place in a Class 模拟题.(0:12) 题意:n列桌子,每列m张桌子,每张桌子一分为2,具体格式看题面描述.给出n,m及k.求编号为k的桌子在第几行第几列是左还是右. 思路:由图知k为奇数在左边.每列有2*m个数,k/(2*m)然后就可以知道在第几列.然后数据小遍历找到第几行. int main() { int n,m,k; while(~scanf("%d%d%d",&n,&m,&k)) { char…
题目链接:http://codeforces.com/contest/755 本蒟蒻做了半天只会做前两道题.. A. PolandBall and Hypothesis 题意:给出n,让你找出一个m,使n*m+1不是素数. 数据很小,直接暴力枚举. #include<cstdio> #include<iostream> #include<cmath> using namespace std ; bool prime( int n ) { for( int i = 2 ;…
C. Did you mean... time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output Beroffice text editor has a wide range of features that help working with text. One of the features is an automatic search…
B. Which floor? time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output In a building where Polycarp lives there are equal number of flats on each floor. Unfortunately, Polycarp don't remember how…
A. k-rounding time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output For a given positive integer n denote its k-rounding as the minimum positive integer x, such that x ends with k or more zeros i…
http://codeforces.com/contest/1030 B. Vasya and Cornfield 判断点是否在矩形内(包括边界) 把每条边转化为一个不等式 public static void main(String[] args) { IO io = new IO(); int n = io.nextInt(), d = io.nextInt(); int t = io.nextInt(); while (t-- > 0) { int x = io.nextInt(), y…
