Time Exceeded
/in/foo.cc: In function 'void work()':
/in/foo.cc:29:22: warning: right operand of comma operator has no effect [-Wunused-value]
a=f[i],b;
^
/in/foo.cc: In function 'void work()':
/in/foo.cc:29:22: warning: right operand of comma operator has no effect [-Wunused-value]
a=f[i],b;
^
