c语言编程,输入两个整数a,b(a大于等于2,a小于b,b小于1000),求两数之间所有素数

#includevoid main() { int a,b,i,j,k; scanf("%d%d",&a,&b); for ( i=a;i<=b;i++ ) { for ( j=2,k=1;j<=i/2;j++ ) if ( i%j==0 ) { k=0; break; } if ( k!=0 ) printf("%d ",i); } printf("\n");}