tmatrix

TMatrix/main.cpp

@@ -0,0 +1,132 @@
+#include <iostream>
+using namespace std;
+
+class TMatrix
+{
+    int n;
+    int len;
+    int* matrix;
+
+public:
+    TMatrix(int _n);
+    ~TMatrix();
+
+    int GetN() const;
+    int GetLen() const;
+    void SetInt(int i, int j, int number);
+    int GetInt(int i, int j) const;
+
+    TMatrix operator=(const TMatrix& mat);
+    TMatrix operator+ (const TMatrix& mat);
+
+    friend istream& operator>>(istream& istr, TMatrix& mat);
+    friend ostream& operator<<(ostream& ostr, const TMatrix& mat);
+};
+
+TMatrix::TMatrix(int _n)
+{
+    n = _n;
+    len = n * (n + 1) / 2;
+    matrix = new int[len];
+    for (int i = 0; i < len; i++)
+    {
+        matrix[i] = 0;
+    }
+}
+
+TMatrix::~TMatrix()
+{
+    delete[] matrix;
+}
+
+int TMatrix::GetN() const
+{
+    return n;
+}
+
+int TMatrix::GetLen() const
+{
+    return len;
+}
+
+void TMatrix::SetInt(int _i, int _j, int number)
+{
+    int i = _i - 1;
+    int j = _j - 1;
+    int place = i * n - i * (i - 1) / 2 + j - i;
+    matrix[place] = number;
+    return;
+}
+
+int TMatrix::GetInt(int i, int j) const
+{
+    int place = i * n - i * (i - 1) / 2 + j - i;
+    return matrix[place];
+}
+
+TMatrix TMatrix::operator=(const TMatrix& mat)
+{
+    for (int i = 0; i < len; i++)
+    {
+        if (matrix[i] != mat.matrix[i]) matrix[i] = mat.matrix[i];
+    }
+    return *this;
+}
+
+TMatrix TMatrix::operator+(const TMatrix& mat)
+{
+    TMatrix temp(n);
+    for (int i = 0; i < len; i++)
+    {
+        temp.matrix[i] = matrix[i] + mat.matrix[i];
+    }
+    return temp;
+}
+
+istream& operator>>(istream& istr, TMatrix& mat)
+{
+    int _i, _j, _number;
+
+    istr >> _i;
+    istr >> _j;
+    istr >> _number;
+
+    mat.SetInt(_i, _j, _number);
+
+    return istr;
+}
+
+ostream& operator<<(ostream& ostr, const TMatrix& mat)
+{
+    int n = mat.GetN();
+
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            if (i > j) ostr << 0;
+            else ostr << mat.GetInt(i, j);
+        }
+        ostr << endl;
+    }
+
+    return ostr;
+}
+
+
+int main()
+{
+    int n;
+    cin >> n;
+
+    TMatrix a(n), b(n), c(n);
+    a.SetInt(2, 2, 2);
+    b.SetInt(5, 5, 5);
+    cout << a;
+    cout << b;
+    //c = a + b;
+    //cout << c;
+
+
+    return 0;
+}

test.cpp → Test/test.cpp

@@ -1,9 +1,9 @@
-#include <iostream>
-using namespase std;
-
-int main()
-{
-int a = 5, b = 4;
-cout << "Hello" << a + b << endl;
-return 0;
+#include <iostream>
+using namespase std;
+
+int main()
+{
+int a = 5, b = 4;
+cout << "Hello" << a + b << endl;
+return 0;
 }