why i enter "hello every one" but it shows "hello"?what should i write alternate of cin??

Question

#include <iostream>
using namespace std;

int main()
{
char str[100];

cout << "Enter a string: ";
cin >> str;
cout << "You entered: " << str << endl;

cout << "\nEnter another string: ";
cin >> str;

cout << "You entered: "<<str<<endl;

return 0;
}

Answer 1

#include <iostream>
using namespace std;

int main()
{
string str[100];

cout << "Enter a string: ";
cin >> str[0];
cout << "You entered: " << str[0] << endl;

cout << "\nEnter another string: ";
cin >> str[1];
cout << "You entered: "<<str[1]<<endl;

return 0;
}

you have to enter
Tyu
yui