From 2f674dc80f0382f1c3178f435714960734dc9d3c Mon Sep 17 00:00:00 2001
From: Nguyễn Gia Phong <mcsinyx@disroot.org>
Date: Sat, 6 Jun 2020 21:33:13 +0700
Subject: Reorganize stuff from secondary school

---
 12/TP-HN-2009/R2/BAI1.PAS | 90 -----------------------------------------------
 1 file changed, 90 deletions(-)
 delete mode 100644 12/TP-HN-2009/R2/BAI1.PAS

(limited to '12/TP-HN-2009/R2/BAI1.PAS')

diff --git a/12/TP-HN-2009/R2/BAI1.PAS b/12/TP-HN-2009/R2/BAI1.PAS
deleted file mode 100644
index b28ae0b..0000000
--- a/12/TP-HN-2009/R2/BAI1.PAS
+++ /dev/null
@@ -1,90 +0,0 @@
-uses math;
-
-var
-  f : text;
-  n : longint;
-  lena, i : integer;
-  a : array[1..512] of longint;
-
-procedure insort(x : longint);
-  var i, j : integer;
-  begin
-    inc(lena);
-    a[lena] := x - 1;
-    for i := 1 to lena do
-      if a[i] < x then begin
-        for j := lena downto i + 1 do
-          a[j] := a[j - 1];
-        a[i] := x;
-        exit
-      end
-  end;
-
-function notin(x : longint) : boolean;
-  var l, h, m : integer;
-  begin
-    l := 1;
-    h := lena;
-    repeat
-      m := (l + h) div 2;
-      if a[m] = x then exit(false);
-      if a[m] < x then h := m - 1
-      else l := m + 1
-    until l > h;
-    notin := true
-  end;
-
-procedure mklist(n0 : longint);
-  var
-    i, j : byte;
-    n10, m0 : longint;
-  begin
-    if n0 <> 0 then begin
-      insort(n0);
-      for i := 0 to trunc(log10(n0)) do
-        begin
-          n10 := 1;
-          for j := 1 to i do n10 := n10 * 10;
-          m0 := n0 div (n10 * 10) + n0 mod n10;
-          if notin(m0) then mklist(m0)
-        end
-    end
-  end;
-
-function prime(m : longint) : boolean;
-  var p, q : integer;
-  begin
-    if m < 2 then exit(false);
-    if m = 2 then exit(true);
-    if m = 3 then exit(true);
-    if m mod 2 = 0 then exit(false);
-    if m mod 3 = 0 then exit(false);
-    p := 5;
-    q := 2;
-    while p * p <= m do
-      begin
-        if m mod p = 0 then exit(false);
-        p := p + q;
-        q := 6 - q
-      end;
-    prime := true
-  end;
-
-begin
-  assign(f, 'BAI1.INP');
-  reset(f);
-  read(f, n);
-  close(f);
-  lena := 0;
-  mklist(n);
-  assign(f, 'BAI1.OUT');
-  rewrite(f);
-  for i := 1 to lena do
-    if prime(a[i]) then begin
-      writeln(f, a[i]);
-      close(f);
-      exit
-    end;
-  writeln(f, -1);
-  close(f)
-end.
-- 
cgit 1.4.1