Wrong Answer
/in/foo.cc: In function 'void init()':
/in/foo.cc:7:10: warning: right operand of comma operator has no effect [-Wunused-value]
cin>>n,m;
^
/in/foo.cc: In function 'void init()':
/in/foo.cc:7:10: warning: right operand of comma operator has no effect [-Wunused-value]
cin>>n,m;
^
