buffet

cv8/program.c

@@ -4,16 +4,16 @@
 #include <assert.h>
 
 struct tree {
-    char value[30];
+    char value[50];
     struct tree* left;
     struct tree* right;
 };
 
 
 struct tree* read_tree(){
-    char buffer[30];
-    memset(buffer,0,30);
-    char* r = fgets(buffer,30,stdin);
+    char buffer[50];
+    memset(buffer,0,50);
+    char* r = fgets(buffer,50,stdin);
     int x = strlen(buffer);
     buffer[x-1]='\0'; 
     
@@ -23,7 +23,7 @@ struct tree* read_tree(){
     if(buffer[0] == '\0'){
         return node;
     }
-    memcpy(node->value, buffer,30);
+    memcpy(node->value, buffer,50);
     if(buffer[0] != '*'){ 
         if(node->left == NULL){
             node->left = read_tree();   
@@ -36,44 +36,39 @@ struct tree* read_tree(){
         return node;
    // }
 }
-
-void print_tree(struct tree* node, int offset){
-    int i;  
-    for (i = 0; i < offset; i++){
-        printf(" ");
-    }
-    printf("%s",node->value);
-    if (node->left){
-        print_tree(node->left,offset + 3);
-        print_tree(node->right,offset + 3);
-    }
-}
-
 struct tree* search(struct tree* this){
     
-    char buffer[5];
-    memset(buffer,0,5);
-    char* r = fgets(buffer,5,stdin);
-    int x = strlen(buffer);
-    buffer[x-1]='\0';
-    /*if(count ==){
-        printf("%s\n", this->value);
-    }*/
-    /*if(buffer[0] != 'a' || buffer[0] != 'n'){
-        return NULL;
-    }*/
-    if(buffer[0] == 'a'){
-        printf("%s\n", this->value);
-        this = search(this->left);
+    char question[30] = "Je to ovocie alebo zelenina";
+    if(strcmp(this->value,question) == 0){
+         printf("%s\n", this->value);
+         this = search(this->left);        
+
     }
-    else if(buffer[0] == 'n'){
-        printf("%s\n", this->value);
-        this = search(this->right); 
+    char c = getchar();
+    char buffer[50];
+    buffer[strlen(buffer)-1]='\0';
+
+    memcpy(buffer, this->value, 50);    
+    //printf("%s\n", buffer);
+    if(buffer[0] != '*'){
+        if(c == 'a'){
+            printf("%s\n", this->value);
+            this->left = search(this->left);
+        }
+        else if(c == 'n'){
+            printf("%s\n", this->value);
+            this->right = search(this->right); 
+        } 
+    
+    }
+    else if(buffer[0] == '*'){
+        printf("%s\n", this->value);
+        printf("Koniec\n");
+        exit(0);     
     }
-    printf("Koniec\n");
-    return this;
 }
  
+
 void destroy_tree(struct tree* root){
     if(root == NULL) return;
    
@@ -121,14 +116,9 @@ int main(){
     printf("Expert z bufetu to vie\n");
     printf("Pozna %d druhov ovocia a zeleniny\n", count);
     printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
-    //printf("%s\n", tree->value);  
-    //int all = count_all(tree);
      
     tree = search(tree);   
          
-    //print_tree(tree, 3);
-    //display(tree);
-    //destroy_tree(tree);
     return 0;
 }