kate progarm practice

1. kate
http://www.shute.kh.edu.tw/~92d314/email/2decision-tree.htm
https://www.slideshare.net/teddysoft/bowling-game-kata-132735820
http://codingdojo.org/kata/


2.  ACM
https://www.cs.ubc.ca/~acm-web/practice/
http://codeforces.com/
https://www.codechef.com/


3. practice
https://codeforces.com/group/L0zlhp0AHw/contest/1155/problem/A


4. reference
https://www.quora.com/How-should-I-practice-for-ACM-ICPC