Problem Description On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathematician entered the cave because it is there. Somewhere deep in the cave, she found a treasure chest with a com…
hihoCoder挑战赛12 时间限制:1000ms 单点时限:1000ms 内存限制:256MB   描述 There is a strange storehouse in PKU. In this storehouse there are n slots for boxes, forming a line. In each slot you can pile up any amount of boxes. The limitation is that you can only pile a…
Problem Description Mr. Hdu is interested in Greatest Common Divisor (GCD). He wants to find more and more interesting things about GCD. Today He comes up with Range Greatest Common Divisor Query (RGCDQ). What’s RGCDQ? Please let me explain it to you…
Sample Input 9 5 6 7 8 113 1205 199312 199401 201314 Sample Output Case #1: 5 Case #2: 16 Case #3: 88 Case #4: 352 Case #5: 318505405 Case #6: 391786781 Case #7: 133875314 Case #8: 83347132 Case #9: 16520782 题目要求当前字符串序列中某项里cff前缀两两间差值的和. 假设已经纪录了cff前缀的…
Problem Description In Land waterless, water is a very limited resource. People always fight for the biggest source of water. Given a sequence of water sources with a1,a2,a3,...,an representing the size of the water source. Given a set of queries eac…
Description Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as postfix notation since every operator in an expression follows all of its operands. Bob is a student in…
求区间最值,数据范围也很小,因为只会线段树,所以套了线段树模板=.= Sample Input3110011 151 2 3 4 551 21 32 43 43 531 999999 141 11 22 33 3 Sample Output1002344519999999999991 # include <iostream> # include <cstdio> # include <cstring> # include <algorithm> # incl…
题目链接: Hdu 5446 Unknown Treasure 题目描述: 就是有n个苹果,要选出来m个,问有多少种选法?还有k个素数,p1,p2,p3,...pk,结果对lcm(p1,p2,p3.....,pk)取余. 解题思路: Lucas + 中国剩余定理,注意的是中国剩余定理的时候有可能会爆long long.然后用一个快速加法就好辣. #include <cstdio> #include <cstring> #include <iostream> #inclu…
HDU 5446 Unknown Treasure 题意:求C(n, m) %(p[1] * p[2] ··· p[k])     0< n,m < 1018 思路:这题基本上算是模版题了,Lucas定理求C(n,m),再用中国剩余定理合并模方程,因为LL相乘会越界,所以用到按位乘. #include <iostream> #include <cstdio> #include <fstream> #include <algorithm> #inc…
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5446 Unknown Treasure 问题描述 On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathematician entered the cave because it is there. Somewhere…