online compiler and debugger for c/c++

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#include <iostream> #include <cmath> using namespace std; #define PI 3.14159 //anywhere you see PI, it will be replaced with the number to its right #define AREA_CIRC(radius) (PI * pow(radius, 2)) int main(){ cout << "Circle Area " << AREA_CIRC(5) << endl; }

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