public static int[] GeneratedRandomArr(int n,int rangeL,int rangeR){
int[] arr =new int[n];
for (int i = 0; i < n; i++) {
//乘以偏移量,在加上偏移量
//偏移量+1,为了覆盖到阀值
int temp = (int)(Math.random()*(rangeR-rangeL+1))+rangeL;
arr[i]=temp;
}
return arr;
}
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