Q:

What does the following program do? Is it valid? If not, why not?

belongs to book: C++ Primer|Stanley B.Lippman, Josee Lajoie, Barbara E.Moo|5th Edition| Chapter number:3| Question number:3.9

KasimKamal

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2022-07-03

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What does the following program do? Is it valid? If not, why not?

string s;
cout << s[0] << endl;

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KasimKamal

2022-07-03

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#include <iostream>
#include <string>

int main() {
  std::string s;
  std::cout << s[0] << std::endl;  // The subscript is out of range, result is undefined.

  return 0;
}

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