X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=problem-ideas.ipynb;fp=problem-ideas.ipynb;h=6c5268b02f37792f2bc9a59ac58e2ee918c6b66f;hb=1c646cdbee7c09ee25ffbd9c5179588e0dab44e3;hp=137892dba7583762b106ea3cbeacb8ebcffd53e4;hpb=a411357b201d8391e5e7c23893fca8705fd4cced;p=ou-summer-of-code-2017.git

diff --git a/problem-ideas.ipynb b/problem-ideas.ipynb
index 137892d..6c5268b 100644
--- a/problem-ideas.ipynb
+++ b/problem-ideas.ipynb
@@ -265,7 +265,9 @@
     "\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"
+    "* 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"
    ]
   },
   {
@@ -304,7 +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"
    ]
   },
   {