что то сделал

.gitignore

@@ -30,3 +30,4 @@
 *.exe
 *.out
 *.app
+build

main.cpp

@@ -1,5 +1,143 @@
 #include <iostream>
+#include <fstream>
 
-int main(int, char**){
-
+struct Settings {
+    char* inputFile;
+    char* filterFile;
+    Settings() {
+        inputFile = nullptr;
+        filterFile = nullptr;
+    }
+};
+
+struct Node {
+    Node* next;
+    Node* prev;
+    char* line;
+
+    Node() {
+        next = nullptr;
+        prev = nullptr;
+        line = nullptr;
+    }
+
+    Node(const char* line_) {
+        next = nullptr;
+        prev = nullptr;
+        line = new char[1024];
+        for (int i = 0; i < strlen(line_); i++) {
+            line[i] = line_[i];
+        }
+    }
+};
+
+struct StrList {
+    Node* head;
+    Node* tail;
+
+    StrList() {
+        head = nullptr;
+        tail = nullptr;
+    }
+
+    void insert(char* line) {
+        Node* newNode = new Node(line);
+        if (head == nullptr) {
+            head = newNode;
+            tail = newNode;
+        } else {
+            tail -> next = newNode;
+            newNode -> prev = tail;
+            tail = newNode;
+        }
+    }
+    void print() {
+        Node* cur = head;
+        while (cur != nullptr) {
+            std::cout << cur -> line << std::endl;
+            cur = cur -> next;
+        }
+    }
+};
+
+Settings ArguementParser(int argSize, char** args) {
+    Settings res;
+    if (argSize != 5) {
+        std::cerr << "Кол-во аргументов должно быть 5" << std::endl;
+        return Settings();
+    }
+    for (int i = 1; i < argSize - 1; i++) {
+        char* curArg = args[i];
+        if (strcmp(curArg, "--input") == 0) {
+            res.inputFile = args[i + 1];
+            i++;
+        } else if (strcmp(curArg, "--filterdb") == 0) {
+            res.filterFile = args[i + 1];
+            i++; 
+        } else {
+            std::cerr << "Неизвестный аргумент: " << curArg << std::endl;
+            return Settings();
+        }
+    }
+    return res;
+}
+
+int main(int argSize, char** args){
+    Settings settings = ArguementParser(argSize, args);
+    if (settings.inputFile == nullptr || settings.filterFile == nullptr) {
+        std::cerr << "Входной или файл фильтра не указан" << std::endl;
+        return 0;
+    }
+    std::ifstream in(settings.inputFile);
+    if (in.fail()) {
+        std::cerr << "Ошибка открытия входного файла" << std::endl;
+    }
+    StrList list;
+    char buff[1024];
+    while (in.getline(buff, 1024)) {
+        list.insert(buff);
+    }
+    in.close();
+
+    std::ifstream fil("fil.txt");
+    if (fil.fail()) {
+        std::cerr << "Ошибка открытия файла фильтра" << std::endl;
+    }
+
+    StrList filters;
+    while (fil.getline(buff, 1024)) {
+        filters.insert(buff);
+    }
+    fil.close();
+
+    StrList ansList;
+    Node* curLine = list.head;
+    while (curLine != nullptr) {
+        Node* curFilter = filters.head;
+        char* line = curLine -> line;
+        while (curFilter != nullptr) {
+            bool isSkip = false;
+            char word[128];
+            int k = 0;
+            for (int i = 0; i < strlen(line); i++) {
+                if (line[i] == ' ' || line[i] == '\n') {
+                    k = 0;
+                    i++;
+                    if (!isSkip) {
+                        std::cout << word << ' ';
+                        memset(word, 0, sizeof(word));
+                    }
+                    continue;
+                }
+                word[k] = line[i];
+                k++;
+                if (strncmp(line, curFilter -> line, strlen(curFilter -> line)) == 0) {
+                   isSkip = true; 
+                }
+            }
+
+            curFilter = curFilter -> next;
+        }
+        curLine = curLine -> next;
+    }
 }