Welcome to the Mathematics × Programming Competition #4
31/7/2017 UTC 14:00 - 7/8/2017 UTC 14:00
For Chinese version please scroll to the bottom. 中文版請見文末。
Question
The following map shows the location of three cities A, B and C. The black lines represent roads. Ken wants to travel from A to C, subject to the following rules:-
- In each move, he travels from one junction to another junction via the roads.
- Throughout the whole journey, he only moves towards the North or the East, but not any other directions.
- He needs to pass through B.
How many ways are there for Ken to complete his journey?
Answer submission
Please submit your answer through this link.
Rules
- This competition will last for 7 days. After that, no more submission will be accepted.
- Participants who submit the answer as a comment below this post will be disqualified.
- Participants can submit an unlimited number of solutions, however only the latest answer will be considered.
- You have to upvote this post in order to be eligible for the competition.
Prizes
- Prize pool balance carried forward = 5.409 SBD
- SBD payout of this post will be added to the prize pool.
- The first 3 participants plus 5 randomly chosen participants who gave the correct numerical answer will share the prize pool equally. Thanks to
who kindly sponsored this competition, the first, second and third participants who gave the correct numerical answer will get additional 7.5, 5 and 2.5 Steem respectively!
- Those who resteemed this post will have 400% higher chance to win in the lucky draw!
- If not all prizes are given out, they will be accumulated for the next competition.
reserves all the rights to disqualify any suspected cheating players and to decide the distribution of prizes among the winner(s).
The steemSTEM project (
歡迎參加數學 × 程式編寫比賽 (第四回)
31/7/2017 UTC 14:00 - 7/8/2017 UTC 14:00
問題
以下地圖顯示了三個城市A，B和C的位置，其中的黑線代表道路。 Ken希望從A步行到C，但須遵守以下規則：
- 他在道路上從一個交叉路口行走到另一個交界處時視為一個行動。
- 整個旅程中，他只會向北或東方移動。
- 他需要通過B。
問Ken有多少個不同的方法完成這次旅程？
答案提交
請經此連結提交答案。
規則
- 此比賽為時7天，其後將不會再接受新答案。
- 嚴禁在回覆公開答案，否則將被取消資格。
- 參加者可以重覆提交答案，但比賽終結時只會考慮最後提交的答案。
- 你必須upvote此帖方能參加比賽。
獎品
- 累積獎池現為 5.409 SBD。
- 此帖文的 SBD 金額將會加入獎池。
- 首三名以及另外五名隨機抽出並給出正確數字答案的參賽者將平分獎池。
- 另外感謝
- Resteem此帖文者將有額外400％的得獎機會！
- 若有獎金未被發放，將累積至下一次比賽的獎池。
- 本人保留一切最終權利，包括但不限於取消任何疑似作弊者的資格並決定獲獎者的獎勵分配。
steemSTEM（