Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:86:8: warning: unused variable 'ps' [-Wunused-variable]
int ps=tmp.pos,id=tmp.id;
^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:86:8: warning: unused variable 'ps' [-Wunused-variable]
int ps=tmp.pos,id=tmp.id;
^~
