View Compilation Error

0_0_20582323_22688.cpp: In function 'int main()':
0_0_20582323_22688.cpp:15:24: error: expected unqualified-id before ';' token
     int a,ans,flag,t,n,;
                        ^
0_0_20582323_22688.cpp:20:9: error: 'm' was not declared in this scope
         m=n;
         ^