http://acm.hdu.edu.cn/showproblem.php?pid=1556Problem DescriptionN个气球排成一排，从左到右依次编号为1,2,3….N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽”牌电动车从气球a开始到气球b依次给每个气球涂一次颜色。但是N次以后lele已经忘记了第I个气球已经涂过几次颜色了，你能帮他算出每个气球被涂过几次

http://acm.hdu.edu.cn/showproblem.php?pid=1166思路 理解树状数组后直接可以套模板#include<iostream>#include<cstdio>using namespace std;template<class T>class Binary_Index_Tree{public: T * a; T * c;

敌兵布阵Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 82209 Accepted Submission(s): 34700Problem Description C国的死对头A国这段时间正在进行军事演习，所以C国间谍头子Der

I Hate ItTime Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 69021 Accepted Submission(s): 26782Problem Description 很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到

Minimum Inversion NumberTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19106 Accepted Submission(s): 11520Problem Description The inversio