/in/foo.cc: In function 'void dfs(int)':
/in/foo.cc:24:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(sum1+sum2>=n&&sum1+sum2<=m) 
     ^~
/in/foo.cc:31:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
      for(i=0;i<=9;i++)
      ^~~
/in/foo.cc:10:36: warning: unused variable 'j' [-Wunused-variable]
     int i,sum1=0,sum2=0,lin=1,lin1,j,sum;
                                    ^