题解 | #获取字符串长度# | C++

#include <iostream>
using namespace std;

int main() {

    char str[100] = { 0 };
    cin.getline(str, sizeof(str));
    int cnt = 0;
    char* p = str;
    while(*p != 0) {
        p++;
        cnt++;
    }
    std::cout << cnt;
    return 0;
}