# 3/18 Educational Codeforces Round 106 (Rated for Div. 2) [競賽連結](https://codeforces.com/contest/1499) ## PA Domino on Windowsill [題目連結](https://codeforces.com/contest/1499/problem/A) ### 題敘: #### 給定一個長度為2格,寬度為n個的區塊,其中第一行的前k1以及第二行的前k2格為白色,其餘為黑色,問w個白色骨牌以及b個黑色骨牌(每個骨牌皆佔兩格)是否能全部放入相對應顏色的區域中 ### 題解: ## PB Binary Removals [題目連結](https://codeforces.com/contest/1499/problem/B)