chore: initialize repository with gitignore

2026-04-13 07:16:39 +08:00
commit d3c18e8912
81 changed files with 4429 additions and 0 deletions
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+@startuml flowchart
+title 三角形分类程序流程图 — classify(a, b, c)
+
+start
+
+:输入三条边 a, b, c;
+
+if (a <= 0 || b <= 0 || c <= 0 ?) then (是)
+  :返回 NOT_A_TRIANGLE;
+  stop
+else (否)
+endif
+
+if ((long)a+b <= c ||\n(long)a+c <= b ||\n(long)b+c <= a ?) then (是)
+  :返回 NOT_A_TRIANGLE;
+  stop
+else (否)
+endif
+
+if (a == b && b == c ?) then (是)
+  :返回 EQUILATERAL\n(等边三角形);
+  stop
+else (否)
+endif
+
+if (a == b || b == c || a == c ?) then (是)
+  :返回 ISOSCELES\n(等腰三角形);
+  stop
+else (否)
+  :返回 SCALENE\n(一般三角形);
+  stop
+endif
+
+@enduml