The following statement about operation ability analysis,error is (）.
A. to calculate the accounts receivable turnover ratio index, sales data in the income statement is used operating income
B. inventory turnover index reflects the inventory turnover situation of every link of enterprise operation and manafement level.
C. fixed asset turnover high, explain enterprise fixed assets investment is proper, reasonable structure, high effeciency
D. when calculating the total asset turnover molecular denominator in time should be consistent
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which of the following measures indicates the ability of a firm to pay its current liabilities?
A. working capital
B. current ratio
C. Acid-test ratio
D. all of the above
In the following items, which index reflect the enterprise operation ability().
A. accounts receivable turnover
B. the fixed asset turnover
C. total asset turnover
D. invertory turnover
设计一个算法RepChar(s,x,y)，将顺序串s中所有字符x替换成字符y。要求空间复杂度为O(1)。
设计一个算法，判断链串s中所有元素是否为递增排列的。
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