Answer / Hemant Kumar

stoi stands for string-to-integer conversion function. It's part of the C++ Standard Library (<string> header). Here's an example:n```cppn#include <iostream>n#include <string>nnint main() {n std::string str = "42";n int num = std::stoi(str);n std::cout << num << 'n';n return 0;n}n```

why is iostream::eof inside a loop condition considered wrong?

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