#include <iostream>
using namespace std;
int main() {
string s = "c c++ java php";
const char *p = s.c_str();
s[0] = 'W';
// p[1] = 'Q'; // error: assignment of read-only
// *(p + 1) = 'Q'; // error: assignment of read-only
for (int i = 0; i < s.length(); i++) {
cout << p[i] << endl;
}
}
/*
run:
W
c
+
+
j
a
v
a
p
h
p
*/