X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=problem-ideas.ipynb;h=6c5268b02f37792f2bc9a59ac58e2ee918c6b66f;hb=HEAD;hp=a0c61b4486f957f7c89903fe189119e94d2ad577;hpb=a0796d0629fb56b5328d6b7d738f93654f8b01df;p=ou-summer-of-code-2017.git

diff --git a/problem-ideas.ipynb b/problem-ideas.ipynb
index a0c61b4..6c5268b 100644
--- a/problem-ideas.ipynb
+++ b/problem-ideas.ipynb
@@ -18,7 +18,7 @@
     "1. [Ticket prices](01-ticket-prices)\n",
     "2. [Lift instructions](02-lifts)\n",
     "3. [Door codes](03-door-codes)\n",
-    "4. [Ghost leg, follow and pack](04-08-amidakuji)\n",
+    "4. [Ghost leg, follow and pack](04-amidakuji)\n",
     "5. [Display board](05-display-board)\n",
     "6. [Tour shapes](06-tour-shapes)\n",
     "7. [Virtual machine](07-interpreter)\n",
@@ -257,9 +257,17 @@
     "# More problems:\n",
     "* [Advent of Code 2015](http://adventofcode.com/2015)\n",
     "* [Advent of Code 2016](http://adventofcode.com/2016)\n",
-    "* https://books.google.co.uk/books?id=85NsAHJjTJ0C&pg=PA390&lpg=PA390&dq=phone+number+problem+programming+names&source=bl&ots=c7oC9JvpZz&sig=aNnW6t_nmGK7SyAKchK0MaxqbkA&hl=en&sa=X&ved=0ahUKEwjnzcbbgs7RAhWKKcAKHQiFCDAQ6AEIJDAC#v=onepage&q=phone%20number%20problem%20programming%20names&f=false\n",
-    "* https://www.cs.uoregon.edu/Activities/Luks_Programming_Contest/\n",
-    "* https://www.reddit.com/r/dailyprogrammer/"
+    "* [Programming and Problem Solving with C++: Brief Edition](https://books.google.co.uk/books?id=85NsAHJjTJ0C&pg=PA390&lpg=PA390&dq=phone+number+problem+programming+names&source=bl&ots=c7oC9JvpZz&sig=aNnW6t_nmGK7SyAKchK0MaxqbkA&hl=en&sa=X&ved=0ahUKEwjnzcbbgs7RAhWKKcAKHQiFCDAQ6AEIJDAC#v=onepage&q=phone%20number%20problem%20programming%20names&f=false)\n",
+    "* https://www.cs.uoregon.edu/Activities/Luks_Programming_Contest/ , specifically the overlapping presentaitons problem from [2017 problems](https://www.cs.uoregon.edu/Activities/Luks_Programming_Contest/problems/Problems2017.pdf)\n",
+    "* https://www.reddit.com/r/dailyprogrammer/\n",
+    "\n",
+    "* N-rooks problem from http://www.olympiad.org.uk/images/bio2012-poster-v.jpg\n",
+    "\n",
+    "* \"How tweet it is\" from [2014 APL programming language competition](http://www.dyalog.com/uploads/files/student_competition/2014_problems_phase1.pdf) (remove interior vowels from words)\n",
+    "\n",
+    "* More ghost leg: simplify a network by finding whole permuation, then splitting it down into transpositions. Look at theory of permutations for details.\n",
+    "\n",
+    "* [Strata](https://en.wikipedia.org/wiki/Strata_(video_game)) game: how many puzzles have a valid solution? How many valid solutions are there to a puzzle?\n"
    ]
   },
   {
@@ -298,7 +306,13 @@
     "- Lua\n",
     "- JavaScript\n",
     "- Java\n",
-    "- Dart"
+    "- Dart\n",
+    "- Kotlin\n",
+    "- Elixir / Erlang\n",
+    "- Oz / Mozart\n",
+    "- APL / J\n",
+    "- Rust\n",
+    "- Go"
    ]
   },
   {
@@ -307,16 +321,16 @@
    "source": [
     "## Polyglot challenge: languages by day\n",
     "\n",
-    "1. [Ticket prices](01-ticket-prices): Python\n",
-    "2. [Lift instructions](02-lifts): Brainfuck\n",
-    "3. [Door codes](03-door-codes): Dart\n",
-    "4. [Ghost leg, follow and pack](04-08-amidakuji): Clojure?\n",
+    "1. [Ticket prices](01-ticket-prices): Ruby x\n",
+    "2. [Lift instructions](02-lifts): Brainfuck x\n",
+    "3. [Door codes](03-door-codes): Dart x\n",
+    "4. [Ghost leg, follow and pack](04-amidakuji): Clojure\n",
     "5. [Display board](05-display-board): JavaScript/Node.js\n",
     "6. [Tour shapes](06-tour-shapes): Lua\n",
-    "7. [Virtual machine](07-interpreter): Haskell\n",
+    "7. [Virtual machine](07-interpreter): Haskell (Advent 16 day 23)\n",
     "8. [Word chains](08-word-chains): Prolog\n",
     "9. [Resolving the bill](09-resolving-the-bill): Sense\n",
-    "10. [Word search](10-word-search): Ruby\n",
+    "10. [Word search](10-word-search): Python x\n",
     "\n",
     "Scala, Clojure?\n",
     "Sense? Day 9?"