modified: .gitignore

new file:   assignment1/as1/as1.pro
	new file:   assignment1/as1/assignment01_159201.cpp

assignment1/as1/as1.pro

@@ -0,0 +1,9 @@
+TEMPLATE = app
+CONFIG += console
+CONFIG -= app_bundle
+CONFIG -= qt
+CONFIG += c++11
+
+SOURCES += \
+    assignment01_159201.cpp
+

assignment1/as1/assignment01_159201.cpp

@@ -0,0 +1,81 @@
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <stdexcept>
+
+namespace ads{
+
+struct Node
+{
+    int row     = 0;
+    int column  = 0;
+    int value   = 0;
+    Node *next  = nullptr;
+};
+
+template<typename Node>
+class SparseMatrix
+{
+public:
+    using Value = decltype(Node::value);
+
+    SparseMatrix() = delete;
+
+    explicit SparseMatrix(std::string fn):
+        Head_{nullptr}, rows_{0}, cols_{0}
+    {
+        construct_linked_list(fn);
+    }
+
+private:
+    Node* Head_;
+    std::size_t rows_;
+    std::size_t cols_;
+
+    Node* add()
+
+    std::ifstream& read_and_init_dimensions(std::ifstream& ifs)
+    {
+        std::string line;
+        std::getline(ifs, line);
+        std::stringstream stream{line};
+        stream >> rows_ >> cols_;
+        std::cout << "Matrix dimensions " << rows_ << " " << cols_ << std::endl;
+        return ifs;
+    }
+
+    std::ifstream& read_and_init_matrix_body(std::ifstream& ifs)
+    {
+        std::string line;
+        for(unsigned r=0; r != rows_; ++r)
+        {
+            std::getline(ifs,line);
+            std::stringstream stream{line};
+            for(unsigned c=0; c != cols_; ++c){
+                Value value{};
+                stream >> value;
+                if(value == 0) continue;
+            }
+        }
+    }
+
+    void construct_linked_list(std::string const& fn)
+    {
+        std::ifstream ifs{fn};
+        if(!ifs.good())
+            throw std::runtime_error{"Cannot open file " + fn};
+        ifs = read_and_init_dimensions(ifs);
+
+        //working
+
+    }
+
+};
+
+}//namespace
+
+int main()
+{
+    return 0;
+}
+