September 2017 Update

2017-09-23 10:01:46 +02:00 · 2017-09-23 10:01:46 +02:00 · ba8067c3b7
commit ba8067c3b7
parent bba7bfd280
14570 changed files with 153136 additions and 63871 deletions
--- a/Task/Balanced-brackets/Factor/balanced-brackets-1.factor
+++ b/Task/Balanced-brackets/Factor/balanced-brackets-1.factor
--- a/Task/Balanced-brackets/Factor/balanced-brackets-2.factor
+++ b/Task/Balanced-brackets/Factor/balanced-brackets-2.factor
@ -0,0 +1,20 @@
+USING: io formatting locals kernel math sequences unicode.case ;
+IN: balanced-brackets
+
+: map-braces ( -- qout )
+  [
+    {
+      { "[" [ drop  1 ] }
+      { "]" [ drop -1 ] }
+            [ drop  0 ]
+    } case
+  ]
+;
+
+: balanced? ( str -- ? )
+  map-braces map sum 0 =
+;
+
+"[1+2*[3+4*[5+6]-3]*4-[3*[3+3]]]" balanced?
+-- Data stack:
+t