#include <iostream>
using namespace std;
int fun(int a, int b) {
return a + b;
}
int fun(int a, char b) {
return b - a;
}
int fun(float a, float b) {
return a * b;
}
int main() {
cout << fun(1,0) << fun('a','c') << fun(2.f,2.f);
return 0;
}
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