java生成不重復(fù)隨機(jī)數(shù)if判斷 如何在JAVA中隨機(jī)打亂輸出一組數(shù)字而不重復(fù)?
如何在JAVA中隨機(jī)打亂輸出一組數(shù)字而不重復(fù)?int length=num1-num2int i=0int j=num1if(length<0){length=-length j=num2}int
如何在JAVA中隨機(jī)打亂輸出一組數(shù)字而不重復(fù)?
int length=num1-num2int i=0int j=num1if(length<0){length=-length j=num2}int[]sum=new int[length 1]while(i<=length)sum[i]=j-length iint tempwhile(i-->0){int k=(int)(數(shù)學(xué).隨機(jī)()*長度)temp=sum[k]sum[k]=sum[i]sum[i]=temp}int temp1=0int temp2=sum[0]sum[1]for(i<lengthi){temp1=sum[i]sum[1]if(temp2<temp1)temp2=temp1}系統(tǒng)輸出打印(“最大對和:”temp2)同時