Accepted
/in/foo.cc: In function 'int solve(ll)': /in/foo.cc:7:12: warning: unused variable 'flag' [-Wunused-variable] int ans=0,flag=0; ^~~~
/in/foo.cc: In function 'int solve(ll)': /in/foo.cc:7:12: warning: unused variable 'flag' [-Wunused-variable] int ans=0,flag=0; ^~~~