#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; }