这个题目 正解应该是 dp 吧 对18个数字进行2进制枚举放不放,,,可以这么理解 以当前状态 stu,他对应的余数是 h 进入下一个状态: 进行记忆画搜索就行了 1 #include<iostream> #include<stdio.h> #include<cstring> #include<cstring> #include<algorithm> using namespace std; ]; ]; ][],len; ]; int dfs(…

sgu 101 - Domino Time Limit:250MS     Memory Limit:4096KB     64bit IO Format:%I64d & %I64u Description Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The bl…

Tickets   Description Conductor is quite a boring profession, as all you have to do is just to sell tickets to the passengers. So no wonder that once upon a time in a faraway galaxy one conductor decided to diversify this occupation. Now this conduct…

Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rearrange it as the lowest possible order (ie, sorted in ascending order). The replaceme…

题目: The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3): "123" "132" "213" "231" "312" &q…

Given an array of 4 digits, return the largest 24 hour time that can be made. The smallest 24 hour time is 00:00, and the largest is 23:59.  Starting from 00:00, a time is larger if more time has elapsed since midnight. Return the answer as a string…

C. Permute Digits time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given two positive integer numbers a and b. Permute (change order) of the digits of a to construct maximal number n…

Permutation Sequence https://oj.leetcode.com/problems/permutation-sequence/ The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3): "123&…

101. Domino time limit per test: 0.25 sec. memory limit per test: 4096 KB Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The blocks usually are called bones,…

链接: http://vj.acmclub.cn/contest/view.action?cid=168#problem/G 时限:250MS     内存:4096KB     64位IO格式:%I64d & %I64u 提交 状态 练习 SGU 107 问题描述 For given number N you must output amount of N-digit numbers, such, that last digits of their square is equal to 987…