Codeforces Round #373 Div. 2 review
Link Codeforces Round #373 Div. 2 (Contest 719) A. Vitya in the Countryside Problem Basically, check last 2 character to determine its direction is “UP” or...
Month: September 2016
Codeforces Round #368 Div. 2 review
Link Codeforces Round #368 Div. 2 (Contest 707) A. Brain’s Photos Problem Just need to check if color (Cyan, Magenta or Yellow) exists or not in the photo....
scanf and printf are much faster than cin and cout
When I’m solving the Codeforces problem, 707D. Persistent Bookcase, I made some comparison for the performance of I/O function. scanf() and print...