// file: main_02_MENT.cpp
// THIS IS C++, use clang++

#include <iostream>

#include "../../helpers/println.hpp"

struct PascalString{
	int length;            // number of chars used
	char characters[256];  // chars of some character string
};

void printPascalString(PascalString s) {
    for(int i = 0; i <= s.length; ++i) {
        print(s.characters[i]);
    }
    println("");
    
}

PascalString bitwiseDualOr(PascalString a, PascalString b) {
    PascalString shortString = a.length <= b.length ? a : b;
    PascalString longString = a.length <= b.length ? b : a;
    
    PascalString result = {longString.length};
    
    for(int i = 1; i <= shortString.length; ++i) {
        result.characters[result.length -i] = longString.characters[longString.length -i] | shortString.characters[shortString.length -i];
        //println(result.length -i, ": ",result.characters[result.length -i]," l=",longString.length -i, ":",longString.characters[longString.length -i]," s=",shortString.length -i,":", shortString.characters[shortString.length -i]);
    }
    for(int i = (longString.length - shortString.length)-1; i >= 0 ; --i) {
        result.characters[i] = longString.characters[i];
        //println(i, ": ", result.characters[i]);
    }
    
    return result;
}


int main(int argc, char** argv, char** envp) {
    
    printPascalString(bitwiseDualOr({2, '0', '1'}, {2, '1', '0'}));
    printPascalString(bitwiseDualOr({2, '0', '1'}, {3, '1', '1', '1'}));
    printPascalString(bitwiseDualOr({3, '1', '1', '1'}, {4, '1', '1', '0', '1'}));
    printPascalString(bitwiseDualOr({3, '0', '0', '0'}, {5, '1', '1', '0', '1', '0'}));
    printPascalString(bitwiseDualOr({3, '0', '1', '1'}, {6, '1', '1', '0', '1', '0', '1'}));
    printPascalString(bitwiseDualOr({2, '0', '1'}, {6, '1', '1', '0', '1', '0', '1'}));
    printPascalString(bitwiseDualOr({2, '1', '1'}, {6, '1', '0', '0', '1', '0', '0'}));

  return 0;
}