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How do you get your character giant in popt ropica?
You have to get Hades' crown and defeat Zeus on Mythology Island and then you can put on Hades' crown and press the spacebar, and you turn GIANT!!
C program to construct an expression tree for a valid input arithmetic expression display the expression in infix prefix and postfix forms?
#include<stdio.h> #include<conio.h> #include<process.h> #include<string.h> #include<stdlib.h> struct treenode { char c; treenode * rlink; treenode * llink; }*stc[30],*temp,*root; char prefix[20],ch; int topt=-1,max=50,len; //global declaration void pusht(struct treenode * p); struct treenode* popt(); void tredis(struct treenode *ptr,int level); void exptree(); void post(struct treenode* p); void main() { clrscr(); printf(" Enter a prefix expression :"); scanf("%s",prefix); exptree(); tredis(root,1); printf(" The postfix expression is :"); post(root); getch(); } void post(struct treenode* p) { if(p!=NULL) { post(p->llink); post(p->rlink); printf("%c",p->c); } } void exptree() { len=strlen(prefix); int i=len-1; while(i>=0) { switch(prefix[i]) { case '+': case '-': case '*': case '/': case '^': temp=(struct treenode*)malloc(sizeof(struct treenode)); temp->c=prefix[i]; temp->llink=popt(); temp->rlink=popt(); pusht(temp); break; default : temp=(struct treenode*)malloc(sizeof(struct treenode)); temp->c=prefix[i]; temp->rlink=NULL; temp->llink=NULL; pusht(temp); } i--; } root=stc[topt]; } void pusht(struct treenode * p) { if(topt==max) { printf(" /**Beyond Capacity**/"); } else { stc[++topt]=p; } } struct treenode* popt() { if(topt==-1) printf(" /**No Expression**/"); else return(stc[topt--]); } void tredis(struct treenode *ptr,int level) { int i; if ( ptr!=NULL ) { tredis(ptr->rlink, level+1); printf(" "); for (i = 0; i < level; i++) printf(" "); printf("%c", ptr->c); tredis(ptr->llink, level+1); } }
