Run id: 100567

Main.cc: In function 'int main()':
Main.cc:13:7: error: redeclaration of 'int m'
   int m;
       ^
Main.cc:12:10: note: 'int m' previously declared here
  for(int m=0;m<=k-1;m++){
          ^
Main.cc:4:11: warning: unused variable 'b' [-Wunused-variable]
     int n,b=0;
           ^