/in/foo.cc: In function 'int main()':
/in/foo.cc:63:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for(j=0;j<tot;++j) 
         ^~~
/in/foo.cc:65:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
          return 0;
          ^~~~~~
/in/foo.cc:38:20: warning: unused variable 't' [-Wunused-variable]
    int i,j,k,ix,iy,t,res,jud=0;
                    ^
/in/foo.cc:38:22: warning: unused variable 'res' [-Wunused-variable]
    int i,j,k,ix,iy,t,res,jud=0;
                      ^~~
/in/foo.cc:38:26: warning: unused variable 'jud' [-Wunused-variable]
    int i,j,k,ix,iy,t,res,jud=0;
                          ^~~