/in/foo.cc: In function 'int main()':
/in/foo.cc:51:71: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[20]' [-Wformat=]
   scanf("%s%d%d%s%s%d",&p[i].name,&p[i].qm  ,&p[i].py, &m, &o,&p[i].lw);
                                                                       ^