题解 | #获取字符串长度#
获取字符串长度
https://www.nowcoder.com/practice/9a2d212d23f5436c80607d5e68c6d12a
#include <cstddef>
#include <iostream>
using namespace std;
int main() {
char str[100] = { 0 };
cin.getline(str, sizeof(str));
// write your code here......
int sum = 0;
char* ptr = str;
for (int i = 0; i<=99; i++)
{
if (*(ptr+i) != NULL)
sum ++;
}
cout << sum;
return 0;
}