Off-by-one error - Wikipedia

Off-by-one error - Wikipedia

Consider an array of items, and items m through n (inclusive) are to be processed. How many items...概要を表示 Consider an array of items, and items m through n (inclusive) are to be processed. How many items are there? An intuitive answer may be n − m, but that is off by one, exhibiting a fencepost error; the correct answer is n − m + 1. For this reason, ranges in computing are often represented by half-open intervals; the range from m to n (inclusive) is represented by the range from m (inclusive) to n +