C. Watchmen time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Watchmen are in a danger and Doctor Manhattan together with his friend Daniel Dreiberg should warn them as soon as possible. The…
B. Pasha Maximizes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Pasha has a positive integer a without leading zeroes. Today he decided that the number is too small and he should make it…
链接:http://codeforces.com/contest/437/problem/A A. The Child and Homework time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Once upon a time a child got a test consisting of multiple-choice qu…
http://codeforces.com/contest/426/problem/B B. Sereja and Mirroring time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Let's assume that we are given a matrix b of size x × y, let's determine…
D. Dreamoon and Binary time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Dreamoon saw a large integer x written on the ground and wants to print its binary form out. Dreamoon has accomplishe…
NN is an experienced internet user and that means he spends a lot of time on the social media. Once he found the following image on the Net, which asked him to compare the sizes of inner circles: It turned out that the circles are equal. NN was very…
C. Dreamoon and Strings time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Dreamoon has a string s and a pattern string p. He first removes exactly x characters from s obtaining string s' as a…