function overload 2

#include <iostream>#include <vector>using namespace std;int volume(int);int volume(int, int, int);int main(){    cout << volume(8) << endl;    cout << volume(3,4,5) << endl;    return 0;}int volume(int edge){    return edge * edge *edge;}int volume(int edge1, int edge2, int edge3){    return edge1 * edge2 * edge3;}