Update cv7/program.c

cv7/program.c

@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <assert.h>
+#include <string.h>
+
+
+
+
+
+#define SIZE 200
+
+struct tree
+{
+  int id;
+  char value[SIZE];
+  char question[SIZE];
+ 
+  struct tree *left, *right;
+};
+
+struct tree* read_tree(struct tree* p)
+{
+    char buffer[SIZE];
+    memset(buffer,0,SIZE);
+    char* r = fgets(buffer,SIZE,stdin);
+    assert(r);
+    struct tree* node = calloc(1,sizeof(struct tree));
+    memcpy(node->value,buffer,SIZE);
+    if(node->value[0]!='*')
+    {
+      read_tree(p->left);
+      read_tree(p->right);
+    }
+    return node;
+}
+
+
+void print_tree(struct tree* tree,int offset){
+    for (int i = 0; i < offset; i++){
+        printf(" ");
+    }
+    printf("%s",tree->question);
+    if (tree->left){
+        print_tree(tree->left,offset +3);
+        print_tree(tree->right,offset +3);
+    }
+}
+
+// Výpis stromu vo formáte Graphviz bez hlavičky
+void print_dot_node(struct tree* node){
+    if (node == NULL){
+        return;
+    }
+    print_dot_node(node->left);
+    // Parameter ID je cislo uzla. Cislo uzla urcite pri nacitani pomocou pocitadla.
+    printf("%d [label=\"%s\"];\n",node->id, node->question);
+    if (node->left){
+        printf("%d -> %d;\n",node->id,node->left->id);
+    }
+    if (node->right){
+        printf("%d -> %d;\n",node->id,node->right->id);
+    }
+    print_dot_node(node->right);
+}
+
+// Výpis stromu vo formáte Graphviz
+// obrázok stromu vytvoríte:
+// program | dot -T png -o obrazok.png
+void print_dot(struct tree* node){
+    printf("digraph G {\n");
+    print_dot_node(node);
+    printf("}\n");
+}
+
+
+
+
+int main(void)
+{
+  
+  return 0;
+}