1 files changed, 96 insertions, 0 deletions
diff --git a/THT/B/QG-2014/dic.pp b/THT/B/QG-2014/dic.pp
new file mode 100755
index 0000000..76f2323
--- /dev/null
+++ b/THT/B/QG-2014/dic.pp
@@ -0,0 +1,96 @@
+unit dic;
+interface
+  function count_char(c: char): longint;
+  function get_char_at_pos(x: longint): char;
+  procedure answer(s: string);
+
+implementation
+var
+  secret_word: string;
+  words: array [1..1000000] of string;
+  total_cost, n: longint;
+
+procedure answer(s: string);
+begin
+  if s = secret_word then
+  begin
+    writeln('Chuc mung ban da tim ra dap an chinh xac la "', s, '"');
+    writeln('Chi phi ban da su dung la ', total_cost);
+  end
+  else
+  begin
+    writeln('Dap an ban dua ra la "', s, '"');
+    writeln('Dap an chinh xac la "', secret_word, '"');
+  end;
+  halt;
+end;
+
+procedure cost_limit_exceed;
+begin
+  writeln('Chi phi ban da su dung vuot qua chi phi toi da cho phep');
+  halt;
+end;
+
+function count_char(c: char): longint;
+var
+  i, res: longint;
+begin
+  total_cost := total_cost + 1;
+  if (total_cost > 1000) then
+    cost_limit_exceed;
+  res := 0;
+  for i := 1 to length(secret_word) do
+    if secret_word[i] = c then
+      inc(res);
+  exit(res);
+end;
+
+function get_char_at_pos(x: longint): char;
+begin
+  total_cost := total_cost + 10;
+  if (total_cost > 1000) then
+    cost_limit_exceed;
+  if (x < 1) or (x > length(secret_word)) then
+    exit('#');
+  exit(secret_word[x]);
+end;
+
+procedure check_secret_word;
+var
+  f: text;
+  i: longint;
+  ok: boolean;
+begin
+  assign(f, 'dic.dat');
+  reset(f);
+  while not seekeof(f) do
+  begin
+    inc(n);
+    readln(f, words[n]);
+  end;
+  close(f);
+  ok := false;
+  for i := 1 to n do
+    if words[i] = secret_word then ok := true;
+  if not ok then
+  begin
+    writeln('Du lieu duoc khoi tao khong chinh xac. Dap an can tim khong nam trong tu dien');
+    halt;
+  end;
+end;
+
+procedure init;
+begin
+  writeln;
+  writeln('     TU DIEN     ');
+  writeln('*****************');
+  writeln;
+
+  secret_word := 'cat';
+  total_cost := 0;
+  check_secret_word;
+end;
+
+initialization
+  init;
+end.