Values, Types, Initialisation

C++

Work with initialization, integer types, conversions and auto deduction. Recognize narrowing and signedness issues before they produce incorrect results.

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4 exercises

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Your learning sequence

1 Not solved yet. Choose integer width and overflow behavior Practice · Easy
2 Not solved yet. Handle signed counts and unsigned sizes Practice · Medium
3 Not solved yet. Scale pixel channels safely Practice · Easy
4 Not solved yet. Update elements through references Practice · Medium

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What does this C++20 comparison print?

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#include <iostream>

int main() {
    int s = -1;
    unsigned int u = 1;
    std::cout << std::boolalpha << (s < u) << std::endl;
}

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