题目链接:传送门 题目: C. Banh-mi time limit per test second memory limit per test megabytes input standard input output standard output JATC loves Banh-mi (a Vietnamese food). His affection for Banh-mi is so much that he always has it for breakfast. This morn…
A. Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Simon has a rectangular table consisting of n rows and m columns. Simon numbered the rows of the table from top to bottom starting f…
传送门:https://vjudge.net/problem/UVA-10718 Preview: bitstream:a flow of data in binary form. in bit-wise expression:用位表示. Her face was a cold blank mask. 她装出一副冰冷冷毫无表情的样子. perform a bit-wise AND operation. In bit-wise expression, mask is a common term.…
A sequence of numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4550 Accepted Submission(s): 1444 Problem Description Xinlv wrote some sequences on the paper a long time ago, they might…
Recursive sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 249 Accepted Submission(s): 140 Problem Description Farmer John likes to play mathematics games with his N cows. Recently, t…
Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7. Given A, B, and n, you are to calculate the value of f(n). Input The input consists of multiple test cases. Each test case contains…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3483 A Very Simple Problem Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 945 Accepted Submission(s): 471 Problem Description This is a very si…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4869 Turn the pokers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2001 Accepted Submission(s): 707 Problem Description During summer vacation…
题目链接 Problem Description Galen Marek, codenamed Starkiller, was a male Human apprentice of the Sith Lord Darth Vader. A powerful Force-user who lived during the era of the Galactic Empire, Marek originated from the Wookiee home planet of Kashyyyk as…
一.题目背景 已知底数a,指数b,取模值mo 求ans = ab % mo 二.朴素算法(已知可跳过) ans = 1,循环从 i 到 b ,每次将 ans = ans * a % mo 时间复杂度O(b) void power(int a,int b,int mo) { int i; ans=; ;i<=b;i++) { ans*=a; ans%=mo; } } 三.快速幂 先讨论无需取模的 当b为偶数时:ab=a(b/2)*2=(a2)b/2 当b为奇数时:ab=a*ab-1=a*(a2)…
YYF is a couragous scout. Now he is on a dangerous mission which is to penetrate into the enemy's base. After overcoming a series difficulties, YYF is now at the start of enemy's famous "mine road". This is a very long road, on which there are n…
Problem Description As we know, sequence in the form of an=a1+(n−1)d is called arithmetic progression and sequence in the form of bn=b1qn−1(q>1,b1≠0) is called geometric progression. Huazheng wants to use these two simple sequences to generate a simp…