From f97ad3e9e225a288e7a8a53c2ef0acb45a47dbde Mon Sep 17 00:00:00 2001 From: Raphael McSinyx Date: Sat, 19 Nov 2016 19:00:47 +0700 Subject: Thêm đề 12 Thanh Hoá 2008-2009 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "12/TP-ThanhHo\303\241-2009/bai1.pas" | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 "12/TP-ThanhHo\303\241-2009/bai1.pas" (limited to '12/TP-ThanhHoá-2009/bai1.pas') diff --git "a/12/TP-ThanhHo\303\241-2009/bai1.pas" "b/12/TP-ThanhHo\303\241-2009/bai1.pas" new file mode 100644 index 0000000..511d074 --- /dev/null +++ "b/12/TP-ThanhHo\303\241-2009/bai1.pas" @@ -0,0 +1,39 @@ +var + prime: array[1..4999] of boolean; + n, i, k, a, j: word; + f: text; + +begin + fillchar(prime, sizeof(prime), true); + prime[1] := false; + + for i := 2 to 70 do + if prime[i] then + for j := 2 to 4999 div i do + prime[i * j] := false; + + for i := 1 to 4999 do + if prime[i] then + writeln(i); + + assign(f, 'BAI1.INP'); + reset(f); + + readln(f, n, k); + + j := 0; + for i := 1 to n do + begin + read(f, a); + if (a < k) and + prime[a] then + inc(j) + end; + + close(f); + + assign(f, 'BAI1.OUT'); + rewrite(f); + writeln(f, j); + close(f) +end. -- cgit 1.4.1