/in/foo.cc: In function 'int main()':
/in/foo.cc:87:35: warning: 'memset' used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
         memset(sumw,sizeof(sumw),0);
                                   ^
/in/foo.cc:66:9: warning: unused variable 'ttt' [-Wunused-variable]
     int ttt=0;
         ^~~