input : a sentance between 1 to 10.000 char. every word on the sentance include 1 to 200 char 'a' to 'z'.
output : word which is a palindrome

Example :
Input

apa yang di alami malam ini oleh anna dan saras tidak pernah ada

Output

apa malam ini anna saras ada

here is my program but when i submit it, only got 20 points. any idea which testcase will make it wrong answer ?

``````program kodok_goreng;
function cek(a : string) : boolean;
var
k : integer;
b : string;
temp : char;
begin
b := a;
for k := 1 to length(a) div 2 do
begin
temp := a[k];
a[k] := a[length(a)+1-k];
a[length(a)+1-k] := temp;
end;
if a = b then cek := true
else cek := false;

end;

var
a : array[1..10000] of char;
b : array[1..10000] of string;
c : array[1..10000] of string;
k,l,m,s : integer;
q : string;
begin
k := 0;
s := 0;
while not eof(input) do
begin
k := k + 1;
if a[k] = ' ' then
begin
s := s+1;
q := '                                                                                                                                                                                                       ';
for l := 1 to k do
begin
q[l] := a[l];
end;
b[s] := q;
k := 0;
end;
end;
s := s+1;
q := '                                                                                                                                                                                                       ';
for l := 1 to k do
begin
q[l] := a[l];
end;
b[s] := q;

for l := 1 to s do
begin
q := b[l];
for m := length(q) downto 1 do
begin
if q[m] = ' ' then delete(q,m,1);
end;
//writeln(q);
b[l] := q;
end;
k := 0;
for l := 1 to s do
begin
if cek(b[l]) then
begin
k := k + 1;
c[k] := b[l];
end;
end;
for l := 1 to k do
begin
write(c[l]);
if l <> k then write(' ');
end;
writeln;
end.``````

Edited by zeulb: n/a

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