STILLxjy

FatMouse and Cheese Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8705 Accepted Submission(s): 3653Problem Description FatMouse has stor

Channel Allocation DescriptionWhen a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a strong signal. However, the channels

Sudoku DescriptionSudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decimal digits fro

ROADS DescriptionN cities named with numbers 1 … N are connected with one-way roads. Each road has two parameters associated with it : the road length and the toll that needs to be paid for the road (

Painting A Board DescriptionThe CE digital company has built an Automatic Painting Machine (APM) to paint a flat board fully covered by adjacent non-overlapping rectangles of different sizes each with

39. 组合总和给定一个无重复元素的数组 candidates 和一个目标数 target ，找出 candidates 中所有可以使数字和为 target 的组合。candidates 中的数字可以无限制重复被选取。说明：所有数字（包括 target）都是正整数。解集不能包含重复的组合。示例 1:输入: candidates = [2,3,6,7], target = 7,所求解...