第 2 / 17 页
非代码面试题
显示 20 / 321 道匹配题目
答题状态：未尝试未正确已正确
ID题目领域难度题型进度权限
698Subset Sum Divisible by 8 3Given 8 integers, prove that some nonempty subset has sum divisible by 8.脑筋急转弯中等brainteaser未尝试免费699Semicircle Load 4Twelve points lie on a circle. Show that some closed semicircle contains at least 6 of them.脑筋急转弯中等brainteaser未尝试面试订阅701Three-Set Region Recovery 1In a universe of 140 objects, sets A, B, C satisfy |A|=62, |B|=55, |C|=49, |A∩B|=22, |A∩C|=18, |B∩C|=17, and |A∩B∩C|=9. How many objects lie in exactly one of the three sets? How many lie in exactly two? How many lie in none?脑筋急转弯简单数值题未尝试免费706All-Letter String Count 1How many length-7 strings over an alphabet of size 3 use every letter at least once?脑筋急转弯简单数值题未尝试免费711All-Server Assignment Count 1How many assignments of 6 labeled jobs to 3 labeled servers use every server at least once?脑筋急转弯简单数值题未尝试免费716Filtered Divisibility Count 1Among the integers from 1 to 180, how many are divisible by none of 2, 3, or 5?脑筋急转弯简单数值题未尝试免费721All-Category Coverage Probability 16 independent tickets are each assigned uniformly to one of 3 categories. What is the probability that every category appears at least once?脑筋急转弯简单数值题未尝试免费726No-Adjacent Ones Count 1How many binary strings of length 8 contain exactly 3 ones and no two ones are adjacent?脑筋急转弯简单brainteaser未尝试免费731Positive Composition Count 1How many ordered compositions of 10 into 4 positive parts are there?脑筋急转弯中等brainteaser未尝试免费736Lattice Paths with Fixed Turns 1How many lattice paths from (0,0) to (5,4) using right and up steps have exactly 3 turns?脑筋急转弯简单brainteaser未尝试免费741Committee-with-Chair Count 1From 8 labeled people, how many ordered pairs (committee, chair) are there where the committee has size 3 and the chair is a member of the committee?脑筋急转弯简单数值题未尝试免费746Multiset Word Count 1How many length-7 strings contain exactly 3 A's, 2 B's, and 2 C's?脑筋急转弯简单数值题未尝试免费747Route Through a Checkpoint 2How many lattice paths from (0,0) to (7,5) pass through (3,2)?脑筋急转弯简单brainteaser未尝试免费748Two-Stage Allocation Count 3How many ways can 9 identical tokens be split into 3 positive piles and then choose one token from the largest-index nonempty pile to mark?脑筋急转弯中等brainteaser未尝试免费749Subset-Path Correspondence 4How many lattice paths from (0,0) to (4,6) are there?脑筋急转弯中等数值题未尝试免费750Domino Strip Tiling 5How many domino tilings does a 2-by-8 board have?脑筋急转弯困难数值题未尝试面试订阅751Market-State Logic Grid 1Three analysts A, B, and C are each either truthful (always tell the truth) or lying (always make false statements). The hidden market state is either bull or bear. A says: 'The market is bull.' B says: 'The market is bull.' C says: 'Exactly two of us are truthful.' Determine the market state and the type of each analyst.脑筋急转弯简单brainteaser未尝试免费752Market-State Logic Grid 2Three analysts A, B, and C are each either truthful (always tell the truth) or lying (always make false statements). The hidden market state is either bull or bear. A says: 'The market is bull.' B says: 'The market is bull.' C says: 'At least one of B and C is lying.' Determine the market state and the type of each analyst.脑筋急转弯简单brainteaser未尝试免费753Market-State Logic Grid 3Three analysts A, B, and C are each either truthful (always tell the truth) or lying (always make false statements). The hidden market state is either bull or bear. A says: 'The market is bull.' B says: 'The market is bear.' C says: 'At least one of B and C is lying.' Determine the market state and the type of each analyst.脑筋急转弯中等brainteaser未尝试免费754Market-State Logic Grid 4Three analysts A, B, and C are each either truthful (always tell the truth) or lying (always make false statements). The hidden market state is either bull or bear. A says: 'The market is bull.' B says: 'Exactly one of us is truthful.' C says: 'Exactly one of us is truthful.' Determine the market state and the type of each analyst.脑筋急转弯中等brainteaser未尝试免费