feat(Week01): Add solutions

3 files changed, 68 insertions, 0 deletions

diff --git a/Week01/Exercise01/main.cpp b/Week01/Exercise01/main.cpp
new file mode 100644
index 0000000..7958615
--- /dev/null
+++ b/Week01/Exercise01/main.cpp
@@ -0,0 +1,29 @@
+#include <iostream>
+#include "matrix.h"
+
+int main() {
+	unsigned rowsA, colsA;
+	std::cin >> rowsA >> colsA;
+
+	int** matA = newMatrix(rowsA, colsA);
+
+	for (unsigned row = 0; row < rowsA; ++row)
+		for (unsigned col = 0; col < colsA; ++col)
+			std::cin >> matA[row][col];
+
+	unsigned rowsB, colsB;
+	std::cin >> rowsB >> colsB;
+
+	int** matB = newMatrix(rowsB, colsB);
+
+	for (unsigned row = 0; row < rowsB; ++row)
+		for (unsigned col = 0; col < colsB; ++col)
+			std::cin >> matB[row][col];
+
+	std::cout << (sumMatrix((const int**)matA, rowsA, colsA) - sumMatrix((const int**)matB, rowsB, colsB)) << std::endl;
+
+	deleteMatrix(matA, rowsA);
+	deleteMatrix(matB, rowsB);
+
+	return 0;
+}
diff --git a/Week01/Exercise01/matrix.cpp b/Week01/Exercise01/matrix.cpp
new file mode 100644
index 0000000..c8bdff2
--- /dev/null
+++ b/Week01/Exercise01/matrix.cpp
@@ -0,0 +1,28 @@
+#include "matrix.h"
+
+int** newMatrix(unsigned rows, unsigned cols) {
+	int** mat = new int*[rows];
+
+	for (unsigned i = 0; i < rows; ++i)
+		mat[i] = new int[cols];
+
+	return mat;
+}
+
+void deleteMatrix(int**& matrix, unsigned rows) {
+	for (unsigned i = 0; i < rows; ++i)
+		delete[] matrix[i];
+	delete[] matrix;
+
+	matrix = nullptr;
+}
+
+int sumMatrix(const int** matrix, unsigned rows, unsigned cols) {
+	int sum = 0;
+
+	for (unsigned row = 0; row < rows; ++row)
+		for (unsigned col = 0; col < cols; ++col)
+			sum += matrix[row][col];
+
+	return sum;
+}
diff --git a/Week01/Exercise01/matrix.h b/Week01/Exercise01/matrix.h
new file mode 100644
index 0000000..334fab0
--- /dev/null
+++ b/Week01/Exercise01/matrix.h
@@ -0,0 +1,11 @@
+#ifndef _MATRIX
+#define _MATRIX
+
+// Създава нова динамично-заделена матрица
+int** newMatrix(unsigned rows, unsigned cols);
+// Изтрива динамично-заделена матрица
+void deleteMatrix(int**& matrix, unsigned rows); // Запишете nullptr в matrix!
+// Връща сумата на всички елементи в матрицата
+int sumMatrix(const int** matrix, unsigned rows, unsigned cols);
+
+#endif