я не успел доделать =(

main.cpp

@@ -1,5 +1,106 @@
 #include <iostream>
+#include <fstream>
 
-int main(int, char**){
-
+const unsigned char context_len = 129;
+
+void CopyArr(char* line, char place[context_len]){
+    for(int i = 0; line[i] != '\n'; ++i){
+        place[i] = line[i];
+    }
+}
+
+bool EqualArray(char* line_from_input, char* line_from_filter){
+    while (*line_from_input == *line_from_filter){
+        ++line_from_input;
+        ++line_from_filter;
+    }
+    return *line_from_input == ' ' || *line_from_input == '\n' || *line_from_input == EOF;
+}
+
+class List{
+public:
+    char value[context_len]{'\0'};
+    char counter = 0;
+    List* next = nullptr;
+};
+
+bool CheckInput(char* string){
+    for(int i = 0; i < 7; ++i){
+        if(string[i] != "--input"[i]){
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool CheckFDB(char* string){
+    for(int i = 0; i < 10; ++i){
+        if(string[i] != "--filterdb"[i]){
+            return false;
+        }
+    }
+
+    return true;
 }
+
+int main(int argc, char** argv){
+    char* input = nullptr;
+    char* filterdb = nullptr;
+    for(int i = 1; i < argc; ++i){
+        if(CheckFDB(argv[i])){
+            if(argv[i][10] == '='){
+                filterdb = argv[i]+ 11;
+            }else if(argv[i][10] == '\0'){
+                filterdb = argv[++i];
+            }
+        } else if(CheckInput(argv[i])){
+            if(argv[i][7] == '='){
+                input = argv[i]+ 8;
+            }else if(argv[i][7] == '\0'){
+                input = argv[++i];
+            }
+        }
+    }
+    std::cout << "input = " << input << std::endl << "filtredb = "<< filterdb << std::endl;
+
+    FILE* i_file = fopen(input, "r");
+    FILE* fdb_file = fopen(filterdb, "r");
+
+    List filters;
+    char context[context_len - 1];
+    fgets(context, context_len - 1, fdb_file);
+    CopyArr(context, filters.value);
+    List* last = &filters;
+
+    while (fgets(context, context_len - 1, fdb_file)){
+        last->next = new List;
+        last = last->next;
+        CopyArr(context, last->value);
+    }
+
+    //all filters are in one-connected list
+
+    FILE* word_counter = fopen(input, "r");
+    unsigned long long wcount = 1ull;
+    while (fgetc(word_counter) != EOF){
+        ++wcount;
+    }
+    fclose(word_counter);
+
+    char* file = new char[wcount]{'\0'}; // all_file_in_one_array
+
+    char c = fgetc(i_file);
+    for(int i = 0; c != EOF; ++i){
+        file[i] = c;
+        c = fgetc(i_file);
+    }
+
+    //check each string for filter and write
+    //я не успел =(
+    fclose(i_file);
+    std::ofstream output;
+    output.open(input);
+
+    return 0;
+}