finish

ex00/Makefile

@@ -2,7 +2,7 @@ CXX := c++
 CXXFLAGS := -std=c++98 -Wall -Wextra -Werror -g
 SRCDIR := src
 OBJDIR := obj
-NAME := ex00
+NAME := btc
 
 SRCS := $(wildcard $(SRCDIR)/*.cpp)
 OBJS := $(patsubst $(SRCDIR)/%.cpp,$(OBJDIR)/%.o,$(SRCS))

ex00/src/BitcoinExchange.cpp

@@ -21,7 +21,6 @@ static bool is_leap(int year)
   
 static bool date_is_valid(int d, int m, int y)
 {
-    return false;
     if (m < 1 || m > 12)
 		return false;
     if (d < 1 || d > 31)
@@ -50,7 +49,7 @@ static int check_date(const std::string& line, unsigned int& out)
 	mounth = std::atoi(line.substr(5).c_str());
 	day = std::atoi(line.substr(8).c_str());
 
-	if (date_is_valid(day, mounth, year))
+	if (!date_is_valid(day, mounth, year))
 		return 1;
 	out = year * 10000 + mounth * 100 + day;
 	return 0;
@@ -80,7 +79,7 @@ static int check_value(const std::string& value_str, int flag, float& out)
 
 static int check_line(const std::string& line, regex_t& reegex, const std::string& delimiter, int flag, std::pair<unsigned int, float>& out)
 {
-	if (line == std::string("date") + delimiter + std::string(flag == DATABASE ? "exchange_rate" : "value"))
+	if (line == std::string("date") + delimiter + (flag == DATABASE ? "exchange_rate" : "value"))
 		return 1;
 	if (regexec(&reegex, line.c_str(), 0, NULL, 0) == REG_NOMATCH)
 	{
@@ -89,8 +88,10 @@ static int check_line(const std::string& line, regex_t& reegex, const std::strin
 	}
 	unsigned int date;
 	if (check_date(line, date))
+	{
+		std::cout << "Error: bad input => " << line << std::endl;
 		return 1;
-
+	}
 	float value;
 	if (check_value(line.substr(10 + delimiter.length()), flag, value))
 		return 1;
@@ -107,7 +108,7 @@ static int get_data(std::map<unsigned int, float>& out)
 
 	if (!file.good())
 	{
-		std::cout << "error: file: " << "data.csv" << std::endl;
+		std::cout << "Error: could not open file." << std::endl;
 		return 1;
 	}
 
@@ -115,7 +116,7 @@ static int get_data(std::map<unsigned int, float>& out)
 
 	if (regcomp(&reegex, DATA_PATERN, REG_EXTENDED))
 	{
-		std::cout << "regex compilation fail" << std::endl;
+		std::cout << "Error: regex compilation fail." << std::endl;
 		return 1;
 	}
 
@@ -186,11 +187,8 @@ static int get_input(const std::string& file_path, const std::map<unsigned int,
 
 void get_price(const std::string& file_path)
 {
-	static bool db_init = 0;
+	std::map<unsigned int, float> database;
-	static std::map<unsigned int, float> database;
 
-	if (db_init == 0)
 	get_data(database);
-
 	get_input(file_path, database);
 }

ex00/src/main.cpp

@@ -5,7 +5,7 @@ int main(int ac, char** av)
 {
 	if (ac != 2)
 	{
-		std::cout << "error: missing file" << std::endl;
+		std::cout << "error: could not open file." << std::endl;
 		return 1;
 	}
 	get_price(std::string(av[1]));

ex01/Makefile

@@ -2,7 +2,7 @@ CXX := c++
 CXXFLAGS := -std=c++98 -Wall -Wextra -Werror -g
 SRCDIR := src
 OBJDIR := obj
-NAME := ex01
+NAME := RPN
 
 SRCS := $(wildcard $(SRCDIR)/*.cpp)
 OBJS := $(patsubst $(SRCDIR)/%.cpp,$(OBJDIR)/%.o,$(SRCS))

ex01/src/RPN.cpp

@@ -1,4 +0,0 @@
-#include <stack>
-#include <iostream>
-
-

ex01/src/main.cpp

@@ -10,16 +10,16 @@ int addition(int a, int b) {	return (a + b); }
 int division(int a, int b) {	return (a / b); }
 int multiplication(int a, int b) {	return (a * b); }
 
-int calculate(std::stack<int>& nums, std::stack<char>& operators)
+int calculate(std::stack<float>& nums, std::stack<char>& operators)
 {
 	if (nums.size() < 2 || operators.size() == 0)
-		return 0;
+		return 2;
 
 	int ret;
-	int a = nums.top();
-	nums.pop();
 	int b = nums.top();
 	nums.pop();
+	int a = nums.top();
+	nums.pop();
 	
 	switch (operators.top()) {
 		case '+':
@@ -50,7 +50,7 @@ int main(int ac, char** av)
 		return 1;
 	}
 
-	std::stack<int> nums;
+	std::stack<float> nums;
 	std::stack<char> operators;
 
 	for (size_t i = 0; av[1][i] != '\0'; i++)
@@ -60,17 +60,22 @@ int main(int ac, char** av)
 		if (std::isdigit(av[1][i]))
 			nums.push(av[1][i] - '0');
 		else if (std::strchr("/+-*", av[1][i]) != NULL)
+		{
 			operators.push(av[1][i]);
+			int ret = calculate(nums, operators);
+			if (ret == 1)
+			{
+				std::cout << "error: division by 0" << std::endl;
+				return 1;
+			}
+			else if (ret == 2)
+				break;
+		}
 		else
 		{
 			std::cout << "error: '" << av[1][i] << "' unknown char" << std::endl;
 			return 1;
 		}
-		if (calculate(nums, operators))
-		{
-			std::cout << "error: division by 0" << std::endl;
-			return 1;
-		}
 	}
 	if (nums.size() != 1)
 	{
@@ -79,7 +84,7 @@ int main(int ac, char** av)
 	}
 	if (operators.size() != 0)
 	{
-		std::cout << "error: too manu operators" << std::endl;
+		std::cout << "error: too many operators" << std::endl;
 		return 1;
 	}
 	std::cout << nums.top();

ex02/src/PmergeMe.hpp

@@ -2,6 +2,7 @@
 
 #include <algorithm>
 #include <cstddef>
+#include <cstring>
 #include <iostream>
 #include <utility>
 #include <vector>
@@ -14,14 +15,13 @@ std::pair<int, int>* create_pairs(const T& array, size_t len)
 {
 	std::pair<int, int>* pairs = new std::pair<int, int>[len];
 
+	pairs[len - 1].second = -1;
 	for (size_t i = 0; i < len; i++)
 	{
-		pairs[i].second = array[i * 2];
+		pairs[i].first = array[i * 2];
 		if (array.size() > i * 2 + 1)
-			pairs[i].first = array[i * 2 + 1];
+			pairs[i].second = array[i * 2 + 1];
 	}
-	if (len % 2)
-		pairs[len - 1].first = pairs[len - 1].second;
 	return pairs;
 }
 

ex02/src/main.cpp

@@ -3,6 +3,7 @@
 #include <cctype>
 #include <cstddef>
 #include <cstdlib>
+#include <string>
 #include <time.h> 
 #include <deque>
 #include <iostream>
@@ -12,29 +13,81 @@ template<typename T>
 void display(const T& array)
 {
 	for (size_t i = 0; i != array.size(); i++)
+		if (array[i] != -1)
 			std::cout << array[i] << " ";
 }
 
+template <typename T>
+int parsing_arg(const char* str, T& array)
+{
+	int number = -1;
+	for (size_t i = 0; true; i++)
+	{
+		if (std::isdigit(str[i]))
+		{
+			if (number == -1)
+				number = 0;
+			number = number * 10 + str[i] - '0';
+		}
+		else if (str[i] == '\0' || str[i] == ' ')
+		{
+			if (number != -1)
+			{
+				array.push_back(number);
+				number = -1;
+			}
+			if (str[i] == '\0')
+				return 0;
+		}
+		else
+		{
+			std::cout << "Error: " << str[i] << i << " invalid character." << std::endl;
+			return 1;
+		}
+	}
+}
+
+template <typename T>
+int parsing_args(const char* const * args, size_t len, T& array)
+{
+	for (size_t i = 0; i != len; i++)
+	{
+		if (parsing_arg(args[i], array))
+			return 1;
+	}
+	return 0;
+}
+
+template <typename T>
+int parsing_duplicate(T& array)
+{
+	for (size_t i = 0; i + 1 != array.size(); i++)
+	{
+		for (size_t j = i + 1; j != array.size(); j++)
+		{
+			if (array[i] == array[j])
+			{
+				std::cout << "Error: " << array[i] << " is duplicated." << std::endl;
+				return 1;
+			}
+		}
+	}
+	return 0;
+}
+
+template <typename T>
+int parsing(const char* const* args, size_t len, T& array)
+{
+	return parsing_args(args, len, array) || parsing_duplicate(array);
+}
+
 int main(int ac, char** av)
 {
 	{
 		std::vector<int> array;
 
-		for (int i = 1; i != ac; i++)
+		if (parsing(av + 1, (size_t) ac - 1, array))
-		{
-			for (int j = 0; av[i][j] != '\0'; j++)
-			{
-				if (j == 0 || av[i][j] == ' ')
-					array.push_back(atoi(av[i] + j + (j != 0)));
-				if (!std::isdigit(av[i][j]) and av[i][j] != ' ')
-				{
-					std::cout << "Error" << std::endl;
 			return 1;
-				}
-			}
-		}
-		if (array.size() > 0)
-			array.pop_back();
 
 		std::cout << "Before: ";
 		display(array);
@@ -54,28 +107,15 @@ int main(int ac, char** av)
 	{
 		std::deque<int> array;
 
-		for (int i = 1; i != ac; i++)
+		if (parsing(av + 1, (size_t) ac - 1, array))
-		{
-			for (int j = 0; av[i][j] != '\0'; j++)
-			{
-				if (j == 0 || av[i][j] == ' ')
-					array.push_back(atoi(av[i] + j + (j != 0)));
-				else if (!std::isdigit(av[i][j]))
-				{
-					std::cout << "Error" << std::endl;
 			return 1;
-				}
-			}
-		}
-		if (array.size() > 0)
-			array.pop_back();
 
-		const clock_t time_deque_start = clock();
+		const clock_t time_vec_start = clock();
 		
 		PmergeMe(array);
 		
-		const clock_t time_deque_stop = clock();
+		const clock_t time_vec_stop = clock();
 		
-		std::cout << "Time to process a range of " << array.size() <<" elements with std::vector : " << ((double) (time_deque_stop - time_deque_start) / CLOCKS_PER_SEC) * 1000000 << " us" << std::endl;
+		std::cout << "Time to process a range of " << array.size() <<" elements with std::deque : " << ((double) (time_vec_stop - time_vec_start) / CLOCKS_PER_SEC) * 1000000 << " us" << std::endl;
 	}
 }