Run id: 160310

Main.cc: In function 'int main()':
Main.cc:12:7: error: expected primary-expression before ';' token
   sum=;
       ^
Main.cc:33:16: warning: operation on 'sum' may be undefined [-Wsequence-point]
   sum=sum+=a[i];
                ^
Main.cc:34:3: error: 'mx' was not declared in this scope
   mx=sum/n;
   ^