Added initial files

Makefile

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+all:
+	cc *.cpp -O3 -Wall -Wextra -std=c++17 -o lottery
+
+compile:
+	cc *.cpp -O3 -c
+
+debug:
+	cc *.cpp -g -std=c++17 -o calculator -lstdc++ -lm

constants.h

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+#pragma once
+
+constexpr int MAX_VALUES = 100;
+constexpr int DEFAULT_NR_ENTRIES = 10;

input_parsing.cpp

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+#include "input_parsing.h"
+#include "constants.h"
+
+ProgramOptions get_params(int argc, char *argv[])
+{
+	int max_range = MAX_VALUES, num_entries = DEFAULT_NR_ENTRIES;
+       	bool is_seed_specified = false;
+
+	int option;
+
+	while (( option = getopt_long(argc, argv, ""
+
+	return {max_range, num_entries, seed};
+}	

input_parsing.h

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+#pragma once
+
+#include <optional>
+
+struct ProgramOptions
+{
+	int max_range = 0;
+	int num_entries = 0;
+	std::optional<int> seed;
+};
+
+ProgramOptions get_params();

main.cpp

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+#include "input_parsing.h"
+
+#include <iostream>
+
+int main(int argc, char *argv[])
+{
+	auto parameters = get_params();
+	return 0;
+}