make x column

main.cpp

@@ -1,6 +1,18 @@
 #include <iostream>
+#include "tools/matrix.h"
+
 
 int main() {
-    std::cout << "Hello World!\n";
+    int n, m;
+    ColumnVector C(n);
+    Matrix A(n, m);
+    ColumnVector b(n);
+    double eps;
+    double eps_default;
+
+    std::cin >> C;
+    std::cin >> A;
+    std::cin >> b;
+    std::cin >> eps;
     return 0;
 }