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Update cv7/program.c

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This commit is contained in:
Yurii Yakovenko 2024-11-11 21:30:26 +00:00
parent 9acb88877a
commit 3043acee18
1 changed files with 16 additions and 10 deletions
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20
cv7/program.c
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@ -16,24 +16,28 @@ struct tree
struct tree *left, *right; struct tree *left, *right;
}; };
struct tree* read_tree(struct tree* p) struct tree* read_tree()
{ {
char buffer[SIZE]; char buffer[SIZE];
memset(buffer,0,SIZE); memset(buffer,0,SIZE);
char* r = fgets(buffer,SIZE,stdin); char* r = fgets(buffer,SIZE,stdin);
assert(r); assert(r);
struct tree* node = (struct tree*)calloc(1,sizeof(struct tree)); struct tree* node = (struct tree*)calloc(1,sizeof(struct tree));
memcpy(node->value,buffer,SIZE); memcpy(node->value,buffer,SIZE);
//printf("\n%s", node->value);
node->left=NULL; node->left=NULL;
node->right=NULL; node->right=NULL;
if(node->value[0]!='*') if(node->value[0]!='*')
{ {
read_tree(node->left); node->left=read_tree(node->left);
read_tree(node->right); node->right=read_tree(node->right);
} }
return node; return node;
} }
@ -44,7 +48,8 @@ void print_tree(struct tree* tree,int offset){
printf("."); printf(".");
} }
printf("(%s)",tree->value); if(tree)
printf("%s",tree->value);
if (tree->left){ if (tree->left){
print_tree(tree->left,offset +3); print_tree(tree->left,offset +3);
} }
@ -59,8 +64,9 @@ int main(void)
struct tree *tr; struct tree *tr;
read_tree(tr); tr=read_tree();
printf("-------");
print_tree(tr,3); print_tree(tr,3);
return 0; return 0;
} }