标签:rgs private system method 小数 ret eth com i++
参考https://www.cnblogs.com/kxdblog/p/4197831.html
package com.thesis.Method1;
import java.text.DecimalFormat;
public class MainSolution {
private static final int NUM = 5;
public static void main(String[] args){
for(float f :genProp()){
System.out.println(f );
}
}
public static float[] genProp(){
//产生概率随机数,且让和为1
float[] prop =new float[NUM];
int[] randInt =new int[NUM];
int sum=0;
for(int i=0;i<NUM;i++){
randInt[i]=1+(int)(Math.random()*10);
sum+=randInt[i];
}
DecimalFormat dF=new DecimalFormat(".00");
float sumprop=0;
for(int i=0;i<NUM;i++){
prop[i]= Float.parseFloat(dF.format(1.0*randInt[i]/sum));
sumprop+=prop[i];
}
sumprop=Float.parseFloat(dF.format(sumprop));
if(sumprop<1){
prop[NUM-1]+=1-sumprop;
}
else {
prop[NUM - 1] -= sumprop - 1;
}
return prop;
}
}
标签:rgs private system method 小数 ret eth com i++
原文地址:https://www.cnblogs.com/ffaiss/p/11663601.html