zoj 2321 Filling Out the Team

#include <stdio.h>int main(void){   float speed;int mweit,mstrh;   while (scanf("%f%d%d",&speed,&mweit,&mstrh) != EOF && speed)   {      int w=0,l=0,q=0;      if(speed<=4.5 && mweit>=150 && mstrh>=200)         w = 1;      if(speed<=6.0 && mweit>=300 && mstrh>=500)         l = 1;      if(speed<=5.0 && mweit>=200 && mstrh>=300)         q = 1;      if (!q&&!w&&!l)       printf("No positions");      if(w)         printf("Wide Receiver");      if(l)      {         if(w) printf(" ");         printf("Lineman");      }      if(q)      {         if(w||l) printf(" ");         printf("Quarterback");      }      printf("n");   }   return 0;}