传言中国加息了?# Stockd*i2010-03-31 07:031 楼比如说Validate Binary Search Tree这道题,面FLAG。这道题太常见了! 应该假装没见过,慢慢花上20分钟写出solution? 还是5-10分钟内搞定?我感觉这个问题比这道题还纠结。。。
s*x2010-03-31 07:035 楼Why 纠结?Do you need to pretend you donot know what is binary tree ?No.If they ask. You can tell them. Otherwise just do it at your best.