ว่าทำยังไงให้เบอร์ความยาวใน c

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C จำนวนของตัวเลขในจำนวนเต็ม

int numberOfDigits = 1 + log10(number) // stores number of digits in integer
1
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ค้นหาความยาวของ int ได้เบอร์อยู่ใน c

int nDigits = floor(log10(abs(the_integer))) + 1;

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