add some helper functions

main.cpp

@@ -2,6 +2,9 @@
 #include <fstream>
 #include <string>
 #include <sstream>
+#include <vector>
+#include <bits/fs_fwd.h>
+#include <bits/fs_path.h>
 
 #define pt cout <<
 #define nl '\n'
@@ -36,11 +39,13 @@ bool assert_alloc() {
 
 struct Move {
     char player;
-    int moveX, moveY;
+    int moveX;
+    int moveY;
 };
 
 struct Moves {
-    int x{}, y{};
+    int x;
+    int y;
     vector<Move> moves;
 };
 
@@ -48,6 +53,8 @@ Moves serialize(const string &s) {
     Moves result;
     istringstream iss(s);
     iss >> result.x >> result.y;
+    result.x <<= 1;
+    result.y <<= 1;
 
     string player;
     int x, y;
@@ -58,18 +65,46 @@ Moves serialize(const string &s) {
 
     return result;
 }
-void solve(const string& fileInp) {
+
-    Moves moves = serialize(fileInp);
+void initBoard(char **board, int x, int y) {
+    for (int i = 0; i < x; ++i) {
+        for (int j = 0; j < y; j++) {
+            board[i][j] = (j&1 || i&1) ? ' ': '.';
+        }
+    }
+}
+
+char **allocAndInitBoard(int x, int y) {
+    char **board = static_cast<char **>(alloc(sizeof(char *) * x));
+    for (int i = 0; i < x; ++i) {
+        board[i] = static_cast<char *>(alloc(sizeof(char) * y));
+    }
+    initBoard(board, x, y);
+    return board;
+}
+
+void deallocBoard(char **board, int x) {
+    for (int i = 0; i < x; ++i) {
+        dealloc(board[i]);
+    }
+    dealloc(board);
+}
+
+void printBoard(char **board, int x, int y) {
+    for (int i = 0; i < x; ++i) {
+        for (int j = 0; j < y; ++j) {
+            pt board[i][j];
+        }
+        pt nl;
+    }
+}
+
+void solve(Moves moves, char **board) {
 
 }
 
-int main(int argc, char **argv) {
+int init(char *fileName) {
-    if (argc != 2) {
+    // --- IO START ---
-        cerr << "Usage: " << argv[0] << " <input_file>" << nl;
-        return 1;
-    }
-    char* fileName = argv[1];
-
     FILE *inp = fopen(fileName, "r");
     if (inp == nullptr) {
         cerr << "File not found" << endl;
@@ -77,7 +112,7 @@ int main(int argc, char **argv) {
     }
 
     fseek(inp, 0L, SEEK_END);
-    long sz = ftell(inp);
+    const long sz = ftell(inp);
     fseek(inp, 0L, SEEK_SET);
 
     char *fileInpPtr = static_cast<char *>(alloc(sz + 1 * sizeof(char)));
@@ -86,16 +121,31 @@ int main(int argc, char **argv) {
     for (int i = 0; i < sz; ++i) {
         fscanf(inp, "%c", &fileInpPtr[i]);
     }
+    // --- IO END ---
 
-    solve(fileInpPtr);
+    // --- ALGORITHM START ---
+    Moves moves = serialize(fileInpPtr);
+    char **board = allocAndInitBoard(moves.x, moves.y);
+    solve(moves, board);
+    // --- ALGORITHM END ---
 
+    // --- CLEANUP START ---
     dealloc(fileInpPtr);
+    deallocBoard(board, moves.x);
     fclose(inp);
 
     if (!assert_alloc()) {
         cerr << "Memory leak detected" << endl;
         return 1;
     }
-
+    // --- CLEANUP END ---
     return 0;
 }
+
+int main(int argc, char **argv) {
+    if (argc < 2) {
+        cerr << "No input file provided" << endl;
+        return 1;
+    }
+    return init(argv[1]);
+}