if ! g++ -o tmp -g -std=c++11 data.cc;
then
echo compile error1
exit 0
fi
if ! g++ -o tmp1 -g -std=c++11 h.cc;
then
echo compile error2
exit 0
fi
if ! g++ -o tmp2 -g -std=c++11 H.cc;
then
echo compile error3
exit 0
fi
while true; do
./tmp>tmp.in
./tmp1<tmp.in>out1
./tmp2<tmp.in>out2
if diff out1 out2 >log; then
echo AC
else
echo WA
#cat tmp.in
#cat out1 out2
exit 0
fi
done