Add to Favorites    Make Home Page 3321 Online  
 Language Categories  
 Our Services  

Home » C Home » Data Structures Home » AVL Tree with Graphics Display

A D V E R T I S E M E N T

Search Projects & Source Codes:

Title AVL Tree with Graphics Display
Author Frederick Badion
Author Email frederick.badion [at] pup.edu.ph
Description AVL Tree Operations (Insert, Delete, Inorder, Postorder,
etc.)
and with Graphics Display
Category C » Data Structures
Hits 395603
Code Select and Copy the Code
/* Adelson Velsekii and Landis Tree with Graphics Display */ /* Polytechnic University of the Philippines Mabini Campus, Sta. Mesa, Manila College of Computer Management and Information Technology A Partial Fulfillment of the Subject Design and Analysis of Algorithm Programmed by: Frederick A. Badion BS Computer Science 2nd year (SY: 2K5-2K6) Subject Professor: Mrs. Ria Sagum Chaiperson BSCompSci frederick.badion@pup.edu.ph */ #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <dos.h> #include <string.h> #include <graphics.h> #include <conio.h> struct node { int element; node *left; node *right; int height; }; typedef struct node *nodeptr; void insert(int,nodeptr &); void del(int, nodeptr &); int deletemin(nodeptr &); void find(int,nodeptr &); nodeptr findmin(nodeptr); nodeptr findmax(nodeptr); void makeempty(nodeptr &); nodeptr nodecopy(nodeptr &); void preorder(nodeptr); void inorder(nodeptr); void postorder(nodeptr); int bsheight(nodeptr); nodeptr singlerotateleft(nodeptr &); nodeptr doublerotateleft(nodeptr &); nodeptr singlerotateright(nodeptr &); nodeptr doublerotateright(nodeptr &); int max(int,int); int nonodes(nodeptr); int gdriver=DETECT,gmode=0,errorcode; char element[3]; int x=1,maxx,midx,xcoord,ycoord,level=320,prevlevel; void GDisplay(nodeptr p,int xcoord,int ycoord) { if (p!=NULL) { level=level/2; setfillstyle(1,BROWN); setcolor(LIGHTGREEN); if(p->left->element!=NULL) line(xcoord,ycoord,xcoord-level,ycoord+50); if(p->right->element!=NULL) line(xcoord,ycoord,xcoord+level,ycoord+50); fillellipse(xcoord,ycoord,10,10); sprintf(element,"%d",p->element,xcoord,ycoord); settextstyle(2,0,4); setcolor(YELLOW); outtextxy(xcoord-7,ycoord-7,element); GDisplay(p->left,xcoord-(level),ycoord+50); GDisplay(p->right,xcoord+(level),ycoord+50); level=level*2; } }//end of GDisplay void insert(int x,nodeptr &p) { if (p == NULL) { p = new node; p->element = x; p->left=NULL; p->right = NULL; p->height=0; if (p==NULL) { gotoxy(4,21); printf("Out of Space"); } } else { if (x<p->element) { insert(x,p->left); //GDisplay(root,midx,50); if ((bsheight(p->left) - bsheight(p->right))==2) { if (x < p->left->element) p = singlerotateleft(p); //single rotation left else p = doublerotateleft(p); //double rotation left } } else if (x>p->element) { insert(x,p->right); //GDisplay(root,midx,50); if ((bsheight(p->right) - bsheight(p->left))==2) { if (x > p->right->element) p = singlerotateright(p); //single rotation right else p = doublerotateright(p); //double rotation right } } else { gotoxy(4,21); printf("Element Exists"); } } int m,n,d; m=bsheight(p->left); n=bsheight(p->right); d=max(m,n); p->height = d + 1; } nodeptr findmin(nodeptr p) { if (p==NULL) { gotoxy(4,21); printf("Empty Tree"); return p; } else { while(p->left !=NULL) p=p->left; return p; } } nodeptr findmax(nodeptr p) { if (p==NULL) { gotoxy(4,21); printf("Empty Tree"); return p; } else { while(p->right !=NULL) p=p->right; return p; } } void find(int x,nodeptr &p) { if (p==NULL) { gotoxy(4,21); printf("Element not found"); } else if (x < p->element) find(x,p->left); else if (x>p->element) find(x,p->right); else { gotoxy(4,21); printf("Element found !"); } } void del(int x,nodeptr &p) { nodeptr d; if (p==NULL) { gotoxy(4,21); printf("Element not found"); } else if ( x < p->element) { del(x,p->left); if ((bsheight(p->left) - bsheight(p->right))==2) { if (x < p->left->element) p = singlerotateleft(p); //single rotation left else p = doublerotateleft(p); //double rotation left } } else if (x > p->element) { del(x,p->right); if ((bsheight(p->right) - bsheight(p->left))==2) { if (x > p->right->element) p = singlerotateright(p); //single rotation right else p = doublerotateright(p); //double rotation right } } else if ((p->left == NULL) && (p->right == NULL)) { d=p; free(d); p=NULL; gotoxy(4,21); printf("Element deleted !"); } else if (p->left == NULL) { d=p; free(d); p=p->right; gotoxy(4,21); printf("Element deleted !"); } else if (p->right == NULL) { d=p; p=p->left; free(d); gotoxy(4,21); printf("Element deleted !"); } else p->element = deletemin(p->right); } int deletemin(nodeptr &p) { int c; gotoxy(4,21); printf("deltemin"); if (p->left == NULL) { c=p->element; p=p->right; return c; } else { c=deletemin(p->left); return c; } } void preorder(nodeptr p) { if (p!=NULL) { printf("%d-->",p->element); preorder(p->left); preorder(p->right); } } void inorder(nodeptr p) { if (p!=NULL) { inorder(p->left); printf("%d-->",p->element); inorder(p->right); } } void postorder(nodeptr p) { if (p!=NULL) { postorder(p->left); postorder(p->right); printf("%d-->",p->element); } } int max(int value1, int value2) { if(value1 > value2) return value1; else return value2; } int bsheight(nodeptr p) { int t; if (p == NULL) return -1; else { t = p->height; return t; } } nodeptr singlerotateleft(nodeptr &p1) { nodeptr p2; p2 = p1->left; p1->left = p2->right; p2->right = p1; p1->height = max(bsheight(p1->left),bsheight(p1->right)) + 1; p2->height = max(bsheight(p2->left),p1->height) + 1; return p2; } nodeptr singlerotateright(nodeptr &p1) { nodeptr p2; p2 = p1->right; p1->right = p2->left; p2->left = p1; p1->height = max(bsheight(p1->left),bsheight(p1->right)) + 1; p2->height = max(p1->height,bsheight(p2->right)) + 1; return p2; } nodeptr doublerotateleft(nodeptr &p1) { p1->left = singlerotateright(p1->left); return singlerotateleft(p1); } nodeptr doublerotateright(nodeptr &p1) { p1->right = singlerotateleft(p1->right); return singlerotateright(p1); } int count=0; int nonodes(nodeptr p) { if (p!=NULL) { nonodes(p->left); nonodes(p->right); count++; } return count; } void twolinebox(int x1,int y1,int x2,int y2){ int x,y; textcolor(WHITE); gotoxy(x1,y1); cprintf("?"); //201 gotoxy(x2,y1); cprintf("?"); //187 for(y=y1+1;y<y2;y++){ gotoxy(x1,y); cprintf("?"); //186 gotoxy(x2,y); cprintf("?"); //186 } gotoxy(x1,y2); cprintf("?"); //200 gotoxy(x2,y2); cprintf("?"); //188 for(x=x1+1;x<x2;x++){ gotoxy(x,y1); cprintf("?"); //205 gotoxy(x,y2); cprintf("?"); //205 } gotoxy(x1+1,y1+1); } void cprintxy(int x,int y,int color,char string[]){ textcolor(color); gotoxy(x,y); cprintf("%s",string); } void center(int y,int color,char string[]){ int x=(80-strlen(string)+1)/2; textcolor(color); gotoxy(x,y);cprintf("%s",string); } void Temp(void){ int x,y; clrscr(); twolinebox(1,1,80,24); for(y=23;y>=1;y--){ sound(60*y); center(y,YELLOW,"[Adelson-Velskii and Landis Tree]"); gotoxy(2,y+1); clreol(); twolinebox(1,1,80,24); delay(40); nosound(); } center(1,YELLOW,"[Adelson-Velskii and Landis Tree]"); for(x=74;x>=3;x--){ sound(50*x); cprintxy(x,5,RED,"Press:"); clreol(); twolinebox(1,1,80,24); center(1,YELLOW,"[Adelson-Velskii and Landis Tree]"); delay(20); nosound(); } twolinebox(1,1,80,12); twolinebox(1,1,80,24); center(1,YELLOW,"[Adelson-Velskii and Landis Tree]"); cprintxy(20,3,GREEN,"[A]- Insertion"); cprintxy(20,4,GREEN,"[B]- Find Minimum"); cprintxy(20,5,GREEN,"[C]- Find Maximum"); cprintxy(20,6,GREEN,"[D]- Search Node"); cprintxy(20,7,GREEN,"[E]- Display Tree"); cprintxy(43,3,GREEN,"[F]- Delete Node"); cprintxy(43,4,GREEN,"[G]- Preorder"); cprintxy(43,5,GREEN,"[H]- Inorder"); cprintxy(43,6,GREEN,"[I]- Postorder"); cprintxy(43,7,GREEN,"[J]- Height"); cprintxy(20,9,GREEN,"[any key]- Quit..."); cprintxy(20,11,LIGHTRED,"Enter your choice: "); } void main() { nodeptr root,min,max; int a,findele,delele,leftele,rightele,flag; char choice,value[2]; char ch='Y'; root = NULL; textmode(C80); Temp(); do { clrscr(); twolinebox(1,1,80,12); twolinebox(1,1,80,24); center(1,YELLOW,"[Adelson-Velskii and Landis Tree]"); cprintxy(5,3,LIGHTRED,"Press: "); cprintxy(20,3,GREEN,"[A]- Insertion"); cprintxy(20,4,GREEN,"[B]- Find Minimum"); cprintxy(20,5,GREEN,"[C]- Find Maximum"); cprintxy(20,6,GREEN,"[D]- Search Node"); cprintxy(20,7,GREEN,"[E]- Display Tree"); cprintxy(43,3,GREEN,"[F]- Delete Node"); cprintxy(43,4,GREEN,"[G]- Preorder"); cprintxy(43,5,GREEN,"[H]- Inorder"); cprintxy(43,6,GREEN,"[I]- Postorder"); cprintxy(43,7,GREEN,"[J]- Height"); cprintxy(20,9,GREEN,"[any key]- Quit..."); cprintxy(20,11,LIGHTRED,"Enter your choice:\>"); choice=getch(); switch(toupper(choice)) { case 'A': do{ gotoxy(4,14); printf("Enter node value: "); a=atoi(gets(value)); if(atoi(value)==0) { gotoxy(4,21); printf("Error!!! Enter a valid integer value only."); gotoxy(4,22); printf("Press any key to continue..."); getch(); } }while(atoi(value)==0); insert(a,root); gotoxy(4,15); inorder(root); /* initgraph(&gdriver,&gmode,"c:\tc\bgi"); errorcode = graphresult(); maxx=getmaxx(); midx=maxx/2,xcoord=midx/2,ycoord=40; if (errorcode != grOk) { printf("Graphics error: %s ", grapherrormsg(errorcode)); printf("Press any key to stop"); getch(); exit(1); } cleardevice(); GDisplay(root,midx,50); getch(); restorecrtmode(); */ break; case 'B': if (root !=NULL) { min=findmin(root); gotoxy(4,14); printf("Min element : %d",min->element); } break; case 'C': if (root !=NULL) { max=findmax(root); gotoxy(4,14); printf("Max element : %d",max->element); } break; case 'D': gotoxy(4,14); printf("Search node :"); scanf("%d",&findele); if (root != NULL) find(findele,root); break; case 'E': initgraph(&gdriver,&gmode,"c:\tc\bgi"); errorcode = graphresult(); maxx=getmaxx(); midx=maxx/2; xcoord=midx/2; ycoord=40; if (errorcode != grOk) { printf("Graphics error: %s ", grapherrormsg(errorcode)); printf("Press any key to stop"); getch(); exit(1); } cleardevice(); setbkcolor(LIGHTBLUE); settextstyle(2,0,5); outtextxy(20,10,"Adelson-Velskii and Landis Tree"); GDisplay(root,midx,50); outtextxy(20,440,"Programmed by: Frederick Badion"); outtextxy(20,450,"Polytechnic University of the Philippines"); outtextxy(20,460,"2nd year Bachelor of Science in Computer Science"); outtextxy(320,440,"A partial fulfilment for the subject: "); outtextxy(320,450,"Design and Analysis of Algorithm"); outtextxy(320,460,"Prof. Ria Sagum -Chairperson BSCS-CCMIT PUP-Sta.Mesa"); getch(); restorecrtmode(); break; case 'F': gotoxy(4,14); printf("Delete Node: "); scanf("%d",&delele); del(delele,root); getch(); initgraph(&gdriver,&gmode,"c:\tc\bgi"); errorcode = graphresult(); maxx=getmaxx(); midx=maxx/2,xcoord=midx/2,ycoord=40; if (errorcode != grOk) { printf("Graphics error: %s ", grapherrormsg(errorcode)); printf("Press any key to stop"); getch(); exit(1); } cleardevice(); setbkcolor(LIGHTBLUE); settextstyle(2,0,5); outtextxy(20,10,"Adelson-Velskii and Landis Tree"); GDisplay(root,midx,50); getch(); restorecrtmode(); break; case 'G': gotoxy(4,14); printf(" Preorder Printing..."); gotoxy(4,15); preorder(root); break; case 'H': gotoxy(4,14); printf(" Inorder Printing..."); gotoxy(4,15); inorder(root); break; case 'I': gotoxy(4,14); printf(" Postorder Printing..."); gotoxy(4,15); postorder(root); break; case 'J': gotoxy(4,14); printf(" Height and Depth: %d",bsheight(root)); gotoxy(4,15); printf("No. of nodes: %d",nonodes(root)); break; } gotoxy(4,22); printf(" Do you want to continue (y/n)?"); ch=toupper(getch()); }while(ch!='N'); }

Related Source Codes

Script Name Author
The Game Opposite as seen on Nokia 2300 Mobile Manikanta
RECURSIVE BALANCED QUICK SORT ashish
Radix Sort ashish
Change your mouse pointer Ashim
The blinking star Shashank
Data Validation Crylittlebaby
To search a file by giving file type like mp3 or mpeg or doc Prashanth SR
Menus Demonstration B.Chidhambaram
Employee Database Project Using C. Reenku Raman Nayak
Creating a Lexical Analyzer in c fahad bader al-buhairi ¦Õ¤ ?¤Ð Ãß??ÝÐÝ
Calendar Program Omkar & Devendra
Stop double Process for start in C Cedrik Jurak
Stop double Process for start in C Cedrik Jurak
Time Scheduler Atiq Anwar
A timepass game between atmost two players Rahul Roy

A D V E R T I S E M E N T




Google Groups Subscribe to SourceCodesWorld - Techies Talk
Email:

Free eBook - Interview Questions: Get over 1,000 Interview Questions in an eBook for free when you join JobsAssist. Just click on the button below to join JobsAssist and you will immediately receive the Free eBook with thousands of Interview Questions in an ebook when you join.

New! Click here to Add your Code!


ASP Home | C Home | C++ Home | COBOL Home | Java Home | Pascal Home
Source Codes Home Page

 Advertisements  

Google Search

Google

Source Codes World.com is a part of Vyom Network.

Vyom Network : Web Hosting | Dedicated Server | Free SMS, GRE, GMAT, MBA | Online Exams | Freshers Jobs | Software Downloads | Interview Questions | Jobs, Discussions | Placement Papers | Free eBooks | Free eBooks | Free Business Info | Interview Questions | Free Tutorials | Arabic, French, German | IAS Preparation | Jokes, Songs, Fun | Free Classifieds | Free Recipes | Free Downloads | Bangalore Info | Tech Solutions | Project Outsourcing, Web Hosting | GATE Preparation | MBA Preparation | SAP Info | Software Testing | Google Logo Maker | Freshers Jobs

Sitemap | Privacy Policy | Terms and Conditions | Important Websites
Copyright ©2003-2024 SourceCodesWorld.com, All Rights Reserved.
Page URL: http://www.sourcecodesworld.com/source/show.asp?ScriptID=1183


Download Yahoo Messenger | Placement Papers | Free SMS | C Interview Questions | C++ Interview Questions | Quick2Host Review