CPP
cpp
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#include <iostream>
#include <algorithm>
using namespace std;
class MathBehaviour{
public:
virtual vector<bool> addition(
vector<bool> a,
vector<bool> b)=0;
};
class BinaryMath : public MathBehaviour{
public:
vector<bool> addition(vector<bool> a,
vector<bool> b)
{ // sort input
int sizeA = a.size();
int sizeB = b.size();
if (sizeA < sizeB){
vector<bool> tmp = a;
a=b;
b=tmp;
sizeA = sizeof(a);
sizeB = sizeof(b);
}
reverse(a.begin(),a.end());
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