_大美

摘要： The Unique MSTTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 34254 Accepted: 12473DescriptionGiven a connected undirected g... 阅读全文

摘要： Given a positive integer x, let S(x) denotes the sum of all x's digits. Two integers x and y are friend numbers if S(x)=S(y). Here com... 阅读全文

摘要： ClockTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 1195 Accepted Submissi... 阅读全文

摘要： The Lucky WeekEdward, the headmaster of the Marjar University, is very busy every day and always forgets the date.There was one day Ed... 阅读全文

摘要： Matrix Power SeriesTime Limit: 3000MS Memory Limit: 131072KTotal Submissions: 26212 Accepted: 10784DescriptionGiven a n × n matrix A a... 阅读全文

摘要： 青蛙的约会Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 124981 Accepted: 26763Description两只青蛙在网上相识了，它们聊得很开心，于是觉得很有必要见一面。它们很高兴地发... 阅读全文

摘要： 2266: number时间限制: 1 Sec 内存限制: 128 MB提交: 76 解决: 31[提交][状态][讨论版][命题人:admin]题目描述某人刚学习了数位DP，他在某天忽然思考如下问题：给定n，问有多少数对满足： x, y∈[1, n], x ... 阅读全文

摘要： 2263: neighbor时间限制: 1 Sec 内存限制: 256 MB提交: 235 解决: 68[提交][状态][讨论版][命题人:admin]题目描述隔壁学校地形图可以通过一个高度矩阵表示，矩阵中每一个位置都有一个数hi , j表示这个坐标的海拔，我们姑... 阅读全文

摘要： 2269: minval时间限制: 3 Sec 内存限制: 256 MB提交: 621 解决: 62[提交][状态][讨论版][命题人:外部导入]题目描述有两个长度为N的序列A和B，在A和B中各任取一个数相加可以得到N2个和，求这N2个和中最小的N个。 输入第一行... 阅读全文

摘要： cjj is fun with math problem. One day he found a Olympic Mathematics problem for primary school students. It is too difficult for cjj.... 阅读全文

摘要： Problem 2150 Fire Game Accept: 3225 Submit: 11130Time Limit: 1000 mSec Memory Limit : 32768 KB Problem DescriptionFat brother an... 阅读全文

摘要： Alice and BobTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5584 Accepted... 阅读全文

摘要： GroupTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3056 Accepted Submissi... 阅读全文

摘要： 迷宫城堡Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19906 Accepted Submissi... 阅读全文

摘要： 1284 2 3 5 7的倍数 基准时间限制：1 秒 空间限制：131072 KB 分值: 5 难度：1级算法题 收藏 关注给出一个数N，求1至N中，有多少个数不是2 3 5 7的倍数。 例如N = 10，只有1不是2 3 5 7的倍数。Input输入1个数N(1... 阅读全文

摘要： A Simple Problem with IntegersTime Limit: 5000MS Memory Limit: 131072KTotal Submissions: 128832 Accepted: 39978Case Time Limit: 2000MS... 阅读全文

摘要： Need for SpeedSheila is a student and she drives a typical student car: it is old, slow, rusty, and falling apart. Recently, the needl... 阅读全文

摘要： 链接：https://www.nowcoder.com/acm/contest/94/H来源：牛客网对称与反对称时间限制：C/C++ 2秒，其他语言4秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述 给出... 阅读全文

摘要： A polyomino is a plane geometric figure formed by joining one or more equal squares edgeto edge.– WikipediaGiven a large polyomino and... 阅读全文

摘要： Problem DescriptionGive you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find... 阅读全文