/in/foo.cc: In function 'int main()':
/in/foo.cc:18:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=2;i<=n;++i) c[i]=b[i-1];c[1]=b[n];
  ^~~
/in/foo.cc:18:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(i=2;i<=n;++i) c[i]=b[i-1];c[1]=b[n];
                                ^
/in/foo.cc:24:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=1;i<n;++i) c[i]=b[i-1];c[n]=b[1];
  ^~~
/in/foo.cc:24:31: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  for(i=1;i<n;++i) c[i]=b[i-1];c[n]=b[1];
                               ^
/in/foo.cc:7:8: warning: unused variable 'j' [-Wunused-variable]
  int i,j,k,l,n,maxx=-1;
        ^
/in/foo.cc:7:10: warning: unused variable 'k' [-Wunused-variable]
  int i,j,k,l,n,maxx=-1;
          ^
/in/foo.cc:7:12: warning: unused variable 'l' [-Wunused-variable]
  int i,j,k,l,n,maxx=-1;
            ^