twobqn123的专栏

人见人爱A^B Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 16825    Accepted Submission(s): 11936 Problem Description 求A^B的最后三位数表示的整数。 说明

Difference Between Primes Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 496    Accepted Submission(s): 136 Problem Description All yo

#include #include #include #include #include #include #include #include using namespace std; #define DBG 0 #define ShowLine DBG && cout>| " #define dout DBG && cout>| " #define write(x) #x"

Raising Modulo Numbers Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 4046   Accepted: 2286 Description People are different. Some secretly read magazines ful

Matrix Power Series Time Limit: 3000MS   Memory Limit: 131072K Total Submissions: 12322   Accepted: 5255 Description Given a n × n matrix A and a positive integer k, find

Problem 1669 Right-angled Triangle Accept: 50    Submit: 100 Time Limit: 1000 mSec    Memory Limit : 32768 KB Problem Description A triangle is one of the basic shapes of geometry: a p

No more tricks, Mr Nanguo Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others) Total Submission(s): 198    Accepted Submission(s): 112 Problem Description Now Sa

Fermat vs. Pythagoras Time Limit: 2000MS   Memory Limit: 10000K Total Submissions: 1140   Accepted: 662 Description Computer generated and assisted proofs and verification

Street Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 2457   Accepted: 1357 Description A computer programmer lives in a street with houses numbered c

C Looooops Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 14918   Accepted: 3766 Description A Compiler Mystery: We are given a C-language style for loop of t

X问题 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2461    Accepted Submission(s): 755 Problem Description 求在小于等于N的正整数中有多少个X满足：X mod a

Strange Way to Express Integers Time Limit: 1000MS   Memory Limit: 131072K Total Submissions: 8077   Accepted: 2398 Description Elina is reading a book written by Rujia Liu

Fibonacci Again Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 29294    Accepted Submission(s): 14194 Problem Description There are an

H - A-B Game 题目链接 题目大意：输入两个长整型的数a,b。有一种将a变化的操作为：a=a-(a%x),   其中   1 问最少有多少次操作才能使得a 思路：贪心 因为每次操作a=a-(a%x)，1 看如下变形：因为a%x=a-(a/x)*x,   则a-(a%x)=(a/x)*x;要使其最小，x=a/2+1时，(a/x)*x最小。 /** author:liuw