3rd semester files

3rd-Semester-Fall-2022/PDS/Homework04/.vscode/c_cpp_properties.json

@@ -0,0 +1,18 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/usr/include/c++/12"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "gnu17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "linux-gcc-x64",
+            "configurationProvider": "ms-vscode.makefile-tools"
+        }
+    ],
+    "version": 4
+}

3rd-Semester-Fall-2022/PDS/Homework04/.vscode/launch.json

@@ -0,0 +1,7 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": []
+}

3rd-Semester-Fall-2022/PDS/Homework04/.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "C_Cpp.errorSquiggles": "Enabled",
+    "files.associations": {
+        "iostream": "cpp",
+        "string": "cpp"
+    }
+}

3rd-Semester-Fall-2022/PDS/Homework04/.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: g++ build active file",
+            "command": "/usr/bin/g++",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}/${fileBasenameNoExtension}"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

3rd-Semester-Fall-2022/PDS/Homework04/HW04_input.txt

@@ -0,0 +1,12 @@
+126 5 350 95 164 1 136 31 468 129
+473 303 248 88 166 26 330 476 159 225
+343 463 311 356 104 162 27 497 320 294
+36 73 301 255 207 265 41 151 410 480
+351 339 499 181 215 487 324 449 443 409
+316 152 179 134 209 402 20 42 317 411
+13 200 456 346 106 101 444 144 247 331
+491 67 249 270 387 360 185 172 383 61
+451 119 28 107 244 455 267 110 277 199
+454 290 397 123 30 481 435 140 333 448
+344 488 258 103 148 305 483 427 457 143
+485 33 133 40 167 349 413 268 198 450 

3rd-Semester-Fall-2022/PDS/Homework04/Makefile

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+TARGET_EXEC ?= a.out
+
+BUILD_DIR ?= ./build
+SRC_DIRS ?= ./src
+
+SRCS := $(shell find $(SRC_DIRS) -name *.cpp -or -name *.c -or -name *.s)
+OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
+DEPS := $(OBJS:.o=.d)
+
+INC_DIRS := $(shell find $(SRC_DIRS) -type d)
+INC_FLAGS := $(addprefix -I,$(INC_DIRS))
+
+CPPFLAGS ?= $(INC_FLAGS) -MMD -MP
+
+$(BUILD_DIR)/$(TARGET_EXEC): $(OBJS)
+	$(CXX) $(OBJS) -o $@ $(LDFLAGS)
+
+# assembly
+$(BUILD_DIR)/%.s.o: %.s
+	$(MKDIR_P) $(dir $@)
+	$(AS) $(ASFLAGS) -c $< -o $@
+
+# c source
+$(BUILD_DIR)/%.c.o: %.c
+	$(MKDIR_P) $(dir $@)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
+
+# c++ source
+$(BUILD_DIR)/%.cpp.o: %.cpp
+	$(MKDIR_P) $(dir $@)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
+
+
+.PHONY: clean
+
+clean:
+	$(RM) -r $(BUILD_DIR)
+
+-include $(DEPS)
+
+MKDIR_P ?= mkdir -p

3rd-Semester-Fall-2022/PDS/Homework04/build/src/HW04_Aidan_Sharpe.cpp.d

@@ -0,0 +1 @@
+build/./src/HW04_Aidan_Sharpe.cpp.o: src/HW04_Aidan_Sharpe.cpp

3rd-Semester-Fall-2022/PDS/Homework04/src/HW04_Aidan_Sharpe.cpp

@@ -0,0 +1,134 @@
+/****************************************************************
+* Name: Aidan Sharpe
+* Course: Principles of Data Structures
+* Class: CS04225
+* Assignment Date: October 17, 2022
+* File Name: HW04_Aidan_Sharpe.cpp
+*****************************************************************
+* ID: Homework 4 Problem 1
+* Purpose: Read values to a linked list and rewrite them in reversed order
+*****************************************************************/
+
+#include <iostream>
+#include <string>
+#include <fstream>
+
+struct LL_Node
+{
+    int val;
+    LL_Node *next;
+
+    LL_Node(int d, LL_Node *p=nullptr)
+    {
+        val = d;
+        next = p;
+    }
+};
+
+/// @brief Adds a new node to the end of a linked list starting at memory address head
+/// @param head address of first node
+/// @param val value to add
+void AddNodeEnd(LL_Node *&head, int val);
+
+/// @brief Adds a new node to the begining of a linked list starting at memory address head
+/// @param head address of first node
+/// @param val value to add
+void AddNodeBegin(LL_Node *&head, int val);
+
+/// @brief prints a linked list in format [m0, m1, ... , mn]
+/// @param head address of first node
+void PrintLL(LL_Node *head);
+
+/// @brief write a linked list to a space-separated text file
+/// @param head address of first list node
+/// @param fname file path relative to source directory
+void WriteLLToFile(LL_Node *head, std::string fname);
+
+/// @brief read LL from space/newline separated file
+/// @param head address of first list node
+/// @param fname file path relative to source directory
+/// @param reversed whether or not to reverse the order of numbers
+void ReadLLFromFile(LL_Node *&head, std::string fname, bool reversed=false);
+
+int main()
+{
+    LL_Node *head = nullptr;
+    std::string in, out;
+    std::cout << "Input data file name (path relative to makefile directory):\n";
+    std::cin >> in;
+    ReadLLFromFile(head, in, true);
+    std::cout << "Output data file name (path relative to makefile directory):\n";
+    std::cin >> out;
+    WriteLLToFile(head, out);
+    return 0;
+}
+
+void AddNodeEnd(LL_Node *&head, int val)
+{
+    if (head == nullptr)
+        head = new LL_Node(val);
+    else
+    {
+        LL_Node* p = head;
+        while (p->next != nullptr)
+            p = p->next;
+        p->next = new LL_Node(val);
+    }
+}
+
+void AddNodeBegin(LL_Node *&head, int val)
+{
+    LL_Node *p = new LL_Node(val);
+    p->next = head;
+    head = p;
+}
+
+void PrintLL(LL_Node *head)
+{
+    LL_Node *p = head;
+    std::cout << "[";
+    while (p != nullptr)
+    {
+        std::cout << p->val;
+        p = p->next;
+        std::cout << ((p != nullptr) ? ", " : "]\n"); // separate elements by ',' and add close bracket if it's the last node
+    }
+}
+
+void WriteLLToFile(LL_Node *head, std::string fname)
+{
+    std::ofstream outfile;
+    outfile.open(fname);
+    LL_Node* p = head;
+    while(p != nullptr)
+    {
+        outfile << p->val << ' ';
+        p = p->next;
+    }
+    outfile.close();
+}
+
+void ReadLLFromFile(LL_Node *&head, std::string fname, bool reversed)
+{
+    std::ifstream infile;
+    std::string line;
+    infile.open(fname);
+    while (std::getline(infile, line))
+    {
+        std::string snum;
+        for (char c : line)
+        {
+            if (isdigit(c))
+                snum.push_back(c);
+            else if (c == ' ' || c == '\n')
+            {
+                if (reversed)
+                    AddNodeBegin(head, std::stoi(snum));
+                else
+                    AddNodeEnd(head, std::stoi(snum));
+                snum = "";
+            } 
+        }
+    }
+    infile.close();
+}