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Question #259 Difficulty: 2

According to the C++17 standard, what is the output of this program? 

    #include <iostream>

void f(unsigned int) { std::cout << "u"; }
void f(int)          { std::cout << "i"; }
void f(char)         { std::cout << "c"; }

int main() {
    char x = 1;
    char y = 2;
    f(x + y);
}

Hint:

int is at least as big as char. char can be either signed or unsigned.

Answer:

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