AC on #1 #2 #3 #5\text{AC on \#1 \#2 \#3 \#5}AC on #1 #2 #3 #5
Wrong Answer.wrong answer On line ? column 1, read 1, expected 0.
因此建树时值域不能设为 [0,maxai][0, \max a_i][0,maxai]。
有三种处理办法:
base = 1e9
minA
maxA