cpp
#include <iostream>
using namespace std;
int main()
{
int n,c;
cin >> n;
c = log10(n) + 1;
cout << c;
}计算某个整数含有几位数
小小曾爱读书2023-11-18 13:26
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#include <iostream>
using namespace std;
int main()
{
int n,c;
cin >> n;
c = log10(n) + 1;
cout << c;
}