#includ <sudio.h> main() { float D,L,v,u,a,b; printf("qing shu ru D,L,v,u"); scanf("%d %d %d %d",D,L,v,u); a=D/u; b=L/v; if(a>=b) {printf("neng zhui shang ");} else {printf("zhui bu shang");} }