public class C3_18{ public static void main(String[] args) { int n=0,m,j,i; for(i=3;i<=100;i+=2)//外层循环 { m=(int)Math.sqrt((double)i); for(j=2;j<=m;j++)//内嵌循环 if((i%j)==0) break;//内嵌循环结束 if(j>=m+1) { if(n%6==0) System.out.print("\n");//换行控制 System.out.print(i+" ");n++; } }//外层循环结束 }}运行结果:
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