code":"#include \n#include \n#include \n#include \n#include \n#include \n#include \n\n// divide-by-zero throws exception with integer data type\n// typedef int64_t NUMBER_TYPE;\n\ntypedef double NUMBER_TYPE;\n\nsize_t getCurrentTimestamp()\n{\n return static_cast(\n std::chrono::time_point_cast\n (std::chrono::system_clock::now())\n .time_since_epoch()\n .count()\n );\n}\n\nvoid printElapsed(const size_t before, const std::string& printMsg)\n{\n std::cout << '\\n' << printMsg << \"\\n Finished in \" << getCurrentTimestamp() - before << \" ms\" << \"\\n\";\n}\n\ntemplate\nstd::vector getRandomVectorWithNumbers(\n const size_t size_of_vector,\n const T min_val,\n const T max_val)\n{\n std::vector v {};\n auto seed {std::chrono::system_clock::now().time_since_epoch().count()};\n std::default_random_engine engine(seed);\n std::uniform_real_distribution<> distribution(min_val, max_val);\n auto b = std::bind(distribution, engine);\n for(size_t i=0; i< size_of_vector; ++i){\n v.push_back(b());\n }\n return v;\n}\n\nstd::vector getRandomVectorWithOperators(\n const std::vector& vecOfAvailableOperators,\n const size_t size_of_vector)\n{\n std::vector vec {};\n auto seed = std::chrono::system_clock::now().time_since_epoch().count();\n std::default_random_engine engine(seed);\n std::uniform_int_distribution distribution(0, vecOfAvailableOperators.size() - 1);\n auto bnd = std::bind(distribution, engine);\n for(size_t i=0; i< size_of_vector; ++i){\n vec.push_back(vecOfAvailableOperators.at(bnd(i)));\n }\n return vec;\n}\n\nstd::vector getRandomVectorWithEvaluationOrder(const size_t size_of_vector){\n std::vector vec{};\n for(size_t i=0; i < size_of_vector; ++i){\n vec.push_back(i);\n }\n std::random_device randomDevice {};\n std::mt19937 algo(randomDevice());\n std::shuffle(vec.begin(), vec.end(), algo);\n return vec;\n}\n\ntemplate\nvoid printVector(const T& A, const std::string& title){\n std::cout << title <<\" \";\n for(const auto& i: A){\n std::cout << \" \" << i << \" \";\n }\n std::cout << '\\n' << '\\n';\n}\n\ntemplate \nvoid print(const T& vec){\n if(!vec.empty()){\n for(const auto& v: vec)\n std::cout<\nvoid performMultiplication(T& vNums, const size_t index){\n vNums[index] = vNums[index] * vNums[index + 1];\n}\n\ntemplate \nbool performDivision(T& vNums, const size_t index){\n NUMBER_TYPE divisor {vNums[index + 1]};\n if(divisor == 0){\n return true;\n }\n else{\n vNums[index] = vNums[index] / divisor;\n if(std::isinf(vNums[index])){\n return true;\n }\n return false;\n }\n}\n\ntemplate \nvoid performSubtraction(T& vNums, const size_t index){\n vNums[index] = vNums[index] - vNums[index + 1];\n}\n\ntemplate \nvoid performAddition(T& vNums, const size_t index){\n vNums[index] = vNums[index] + vNums[index + 1];\n}\n\ntemplate \nvoid eraseFromVector(T& vec, const size_t index, size_t x = 0){\n vec.erase(vec.cbegin() + (index + x));\n}\n\nint main(){\n const char OPERATOR_ADDITION {'+'};\n const char OPERATOR_SUBTRACTION {'-'};\n const char OPERATOR_MULTIPLICATION {'*'};\n const char OPERATOR_DIVISION {'/'};\n\n /* change this as you wish (also comment out the print functions for very large numbers) */\n const size_t SIZE_OF_VECTOR_OF_NUMBERS {100};\n const auto MIN_OPERAND_VALUE {5};\n const auto MAX_OPERAND_VALUE {70};\n\n /* you can remove or add an operator */\n const std::vector vecOfAvailableOperators {'*', '+', '-', '/'};\n\n auto timeAtHere {getCurrentTimestamp()};\n\n std::vector vecNumbers {getRandomVectorWithNumbers\n (SIZE_OF_VECTOR_OF_NUMBERS, MIN_OPERAND_VALUE, MAX_OPERAND_VALUE)\n };\n auto sizeVecNums = vecNumbers.size() - 1;\n std::vector vecOperators {getRandomVectorWithOperators(vecOfAvailableOperators, sizeVecNums)};\n std::vector vecEvaluationOrder {getRandomVectorWithEvaluationOrder(sizeVecNums)};\n\n printElapsed(timeAtHere, \"Creating vector of size = \" + std::to_string(SIZE_OF_VECTOR_OF_NUMBERS));\n\n std::cout<<\"\\n[Original vectors]: \"<<'\\n';\n printVector(vecNumbers, \"vecNumbers:\\n\");\n printVector(vecOperators,\"vecOperators:\\n\");\n printVector(vecEvaluationOrder,\"vecEvaluationOrder:\\n\");\n std::cout<<'\\n';\n\n auto c =(vecNumbers.size() - 1);\n if( !((vecOperators.size() == c) && (vecEvaluationOrder.size() == c)) ){\n std::cout<<\"Error: Inappropriate size of vectors.\"<<'\\n';\n return -1;\n }\n\n timeAtHere = getCurrentTimestamp();\n\n auto begin {vecEvaluationOrder.begin()};\n auto end {vecEvaluationOrder.end()};\n auto sizeEvalOrder {vecEvaluationOrder.size()};\n\n bool isDivideByZero {false};\n\n for(size_t i=0; i

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