Computer Science · C++ Preprocessor Directives
What is the output of the following C++ code? #include using namespace std; #define DISPLAY(i) cout << "b" #i "=" << b##i int main(void) { int b1=10, b2=20; DISPLAY(1); DISPLAY(2); return 0; }
- 1b2=20
- 2b1=10
- 3b1=10b2=20✓
- 4Syntax error
Correct answer
b1=10b2=20
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