速算24点 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Problem Description 速算24点相信绝大多数人都玩过.就是随机给你四张牌,包括A(1),2,3,4,5,6,7,8,9,10,J(11),Q(12),K(13).要求只用'+','-','*','/'运算符以及括号改变运算顺序,使得最终运算结果为24(每个数必须且仅能用一次).游戏很简单,但遇到无解的…
import scipy from sklearn.datasets import load_digits from sklearn.metrics import classification_report from sklearn.linear_model import LogisticRegression from sklearn.model_selection import train_test_split from sklearn.model_selection import GridS…
Channel Allocation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13357 Accepted: 6836 Description When a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a s…
Shuffle'm Up Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10003 Accepted: 4631 Description A common pastime for poker players at a poker table is to shuffle stacks of chips. Shuffling chips is performed by starting with two stacks o…
Board Game Time Limit:2000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Gym 100935G Description standard input/outputStatements Feras bought to his nephew Saleem a new game to help him learning calculating. The game consists of a boa…
Nearest number - 2 Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 3943 Accepted: 1210 Description Input is the matrix A of N by N non-negative integers. A distance between two elements Aij and Apq is defined as |i − p| + |j − q|. Your p…
C. Dasha and Password 题目连接: http://codeforces.com/contest/761/problem/C Description After overcoming the stairs Dasha came to classes. She needed to write a password to begin her classes. The password is a string of length n which satisfies the follo…
Life Line Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 855 Accepted: 623 Description Let's play a new board game "Life Line". The number of the players is greater than 1 and less than 10. In this game, the board is a regular triang…
Password Time Limit: 3000ms Memory Limit: 131072KB This problem will be judged on UVA. Original ID: 1262 64-bit integer IO format: %lld Java class name: Main pid=18400" class="btn" style="">Prev Submit showpid=18401"…