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; }