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author | Raphael McSinyx <vn.mcsinyx@gmail.com> | 2017-02-15 11:33:54 +0700 |
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committer | Raphael McSinyx <vn.mcsinyx@gmail.com> | 2017-02-15 11:33:54 +0700 |
commit | 5a44eb260b9b35096df7371a702ba99b7265b3f9 (patch) | |
tree | 60ad135076dbca49d1e20eac540c53bdd6e8b97a /others/volume1/052.pas | |
parent | fa7cbaee4baf174ee416280d82a60fade6d3eaad (diff) | |
download | cp-5a44eb260b9b35096df7371a702ba99b7265b3f9.tar.gz |
Update others/volume1
Diffstat (limited to 'others/volume1/052.pas')
-rw-r--r-- | others/volume1/052.pas | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/others/volume1/052.pas b/others/volume1/052.pas new file mode 100644 index 0000000..8a071a0 --- /dev/null +++ b/others/volume1/052.pas @@ -0,0 +1,24 @@ +uses clib; + +var + n, a: int16; + b: array of boolean; + +begin + readln(n); + setlength(b, n); + for n := n - 1 downto 0 do + b[n] := false; + for n := 1 to length(b) do + begin + read(a); + if (a <= 0) or + (a > length(b)) then + continue; + b[a - 1] := true + end; + if all(b) then + writeln('YES') + else + writeln('NO') +end. |