Weird Cryptography Description standard input/outputStatements Khaled was sitting in the garden under an apple tree, suddenly! , well... you should guess what happened, an apple fell on his head! , so he came up with a new Cryptography method!! The m…

E - Pairs Description standard input/outputStatements In the secret book of ACM, it’s said: “Glory for those who write short ICPC problems. May they live long, and never get Wrong Answers” . Everyone likes problems with short statements. Right? Let’s…

C - OCR Description standard input/outputStatements Optical Character Recognition (OCR) is one of the most famous fields of Artificial Intelligence. The main purpose of OCR is to recognize printed text (or handwriting) and convert it to the machine e…

A - Time Description standard input/outputStatements A plane can go from city X to city Y in 1 hour and 20 minutes. However, when it returns from city Y to city X, with the same speed, it spends only 80 minutes! If you don’t know how might that happe…

Weird Cryptography Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u  Gym 100935B Description standard input/output Khaled was sitting in the garden under an apple tree, suddenly! , well... you should guess what happened, a…

F - Mishka and trip Sample Output   Hint In the first sample test: In Peter's first test, there's only one cycle with 1 vertex. First player cannot make a move and loses. In his second test, there's one cycle with 1 vertex and one with 2. No one can…

B - Chris and Road Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice _ uDebug Description   Input   Output   Sample Input   Sample Output   Hint   Description A…

A - Spider Man Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Description   Input   Output   Sample Input   Sample Output   Hint   Description Peter Parker wants to p…

Bear and Prime 100Crawling in process... Crawling failed Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 680C uDebug Description   Input   Output   Sample Input   Sample Output   Hint  …

Vanya and LabelCrawling in process... Crawling failed Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice _ uDebug Description   Input   Output   Sample Input   Sample Output   Hint   Description While…