看题就知道要用polya,但是当时没做出来,还是不是很熟悉polya!!! 总共有24种置换: 1. 不做任何旋转 K ^ (54 + 12 + 8) 2. 绕相对面中心的轴转 1) 90度 K ^ (15 + 3 + 2) * 3 1) 180度 K ^ (28 + 6 + 4) * 3 1) 270度 K ^ (15 + 3 + 2) * 3 3. 绕相对棱中心的轴转 1) 180度 K ^ (27 + 7 + 4) * 6 4. 绕相对顶点的轴转 1) 120度 K ^ (18 + 4 +…
Integer Partition Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 524 Accepted Submission(s): 238 Problem Description Given n, k, calculate the number of different (unordered) partitions of n such…
Partition Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 954 Accepted Submission(s): 545 Problem Description How many ways can the numbers 1 to 15 be added together to make 15? The technical term…
ACM ICPC Central Europe Regional Contest 2013 Jagiellonian University Kraków Problem A: Rubik’s RectangleProblem B: What does the fox say?Problem C: Magical GCDProblem D: SubwayProblem E: EscapeProblem F: DraughtsProblem G: History courseProblem H: C…
Partition Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 954 Accepted Submission(s): 545 Problem Description How many ways can the numbers 1 to 15 be added together to make 15? The technical term…
JSU 2013 Summer Individual Ranking Contest - 5 密码:本套题选题权归JSU所有,需要密码请联系(http://blog.csdn.net/yew1eb). 一.套题分析:该套题难度不大,适合入门有一定基础的ACMer用于练习. 二.考点:逻辑思维.基础数论.数位运算基础.深度优先搜索.动态规划. 三.竞赛形式:个人赛 四.解题时间:3小时 五.题目情况: A. BNU ACM校队时间安排表        B. 硬币水题II        C. 沙漠之…
Redraw Beautiful Drawings Time Limit: 3000/1500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description Alice and Bob are playing together. Alice is crazy about art and she has visited many museums around the world. She has…
任意门:http://acm.hdu.edu.cn/showproblem.php?pid=6319 Problem A. Ascending Rating Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 5943    Accepted Submission(s): 2004 Problem Description Before…
tree Time Limit: 8000ms Memory Limit: 262144KB This problem will be judged on HDU. Original ID: 539064-bit integer IO format: %I64d      Java class name: Main   Given a rooted tree(node 1 is the root) with n nodes. The ithnode has a positive value vi…
Area of Mushroom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2390    Accepted Submission(s): 578 Problem Description Teacher Mai has a kingdom with the infinite area. He has n students guard…