📅  最后修改于: 2022-03-11 14:44:58.851000             🧑  作者: Mango
// Program to find first and last
// digits of a number
#include
using namespace std;
// Find the first digit
int firstDigit(int n)
{
// Find total number of digits - 1
int digits = (int)log10(n);
// Find first digit
n = (int)(n / pow(10, digits));
// Return first digit
return n;
}
// Find the last digit
int lastDigit(int n)
{
// return the last digit
return (n % 10);
}
// Driver program
int main()
{
int n = 98562;
cout << firstDigit(n) << " "
<< lastDigit(n) << endl;
return 0;
}