题解 | #获取字符串长度#

#include <iostream>
#include <math.h>
using namespace std;

int main() {

    char str[100] = { 0 };
    cin.getline(str, sizeof(str));

    // write your code here......
    int len = 0;
    char *p = str;
    while (*p !='\0') {
        len++;
        p++;
    }

    cout << len <<endl;

    return 0;
}