第一个线段树，大部分时间都在寒假挥霍了。最近迫切需要女朋友，又没有现成的，又不会找，恰似M67所言：“欲火焚身”那 #include<iostream>using namespace std;const int sup=8010;int ans[sup];struct node{int left,right;int color;node *rch,*lch;node(int b

题目： Count the Colors Time Limit: 2 Seconds       Memory Limit: 65536 KB Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent