inital commit. Set up all the exercises

1_Grundlagen/code/check.cpp

@@ -0,0 +1,35 @@
+#include<cstdio>
+#include<cstdlib>
+#include<cassert>
+#include "matrix.h"
+
+int main()
+{
+	// First example
+	int nz=3;
+	int nx=3; 
+	int ny=3;
+	
+	int*** matrix = build_matrix(nx, ny, nz);
+	
+	assert(matrix[0][0][0] == 111 && "matrix[0][0][0] must be 111 after assignment");
+	assert(matrix[2][2][2] == 333 && "matrix[2][2][2] must be 333 after assignment");
+	
+	print_matrix(matrix, nx, ny, nz);
+	
+	free_matrix(matrix, ny, nz);
+	
+	nz=3;
+	nx=1;
+	ny=2;
+	
+	// Second example
+	matrix = build_matrix(nx, ny, nz);
+	
+	assert(matrix[0][0][0] == 111 && "matrix[0][0][0] must be 111 after assignment");
+	assert(matrix[2][1][0] == 321 && "matrix[2][1][0] must be 321 after assignment");
+	
+	print_matrix(matrix, nx, ny, nz);
+	
+	free_matrix(matrix, ny, nz);
+}

1_Grundlagen/code/matrix.cpp

@@ -0,0 +1,34 @@
+#include<stdio.h>
+#include<stdlib.h>
+
+int main()
+{
+	const int nx=3; 
+	const int ny=2;
+	int** matrix;
+	
+	matrix = (int**)malloc(ny*sizeof(int*));
+	for(int y=0; y<ny; y++)
+	{
+		matrix[y] = (int*)malloc(nx*sizeof(int));
+		for(int x=0; x<nx; x++)
+		{
+			matrix[y][x] = (y+1)*10 + x+1;
+		}
+	}
+	
+	for(int y=0; y<ny; y++)
+	{
+		for(int x=0; x<nx; x++)
+		{
+			printf("%i ",matrix[y][x]);
+		}
+		printf("\n");
+	}	
+
+	for(int y=0; y<ny; y++)
+	{
+		free(matrix[y]);
+	}	
+	free(matrix);
+}