Main.cc: In function 'int main()':
Main.cc:8:5: error: expected ',' or ';' before 'cin'
cin>>n;
^
Main.cc:6:17: warning: unused variable 'k' [-Wunused-variable]
int i,j,n,m,k,max=0;
^
Main.cc:6:19: warning: unused variable 'max' [-Wunused-variable]
int i,j,n,m,k,max=0;
^