Delete convert.c

convert.c

@@ -1,62 +0,0 @@
-//convert infix to postfix
-#include <stdio.h>
-char stack[20]; //declaring an empty stack
-int top = -1;   //declaring top of stack
-
-void push(char x) //push function
-{
-    stack[++top] = x; //each time it is pushed top is increamented
-}
-
- char pop()  //pop function
-{
-    if(top == -1)
-        return -1;
-    else
-        return stack[top--]; //each time it is popped top is decreamented
-}
-
- int priority(char x) // to check the priority of characters
-{
-    if(x == '(')
-        return 0;
-    if(x == '+' || x == '-')
-        return 1;
-    if(x == '*' || x == '/')
-        return 2;
-        if(x=='^')
-        return 3;
-}
- 
-int main()
-{
-    char exp[20];
-    char *e, x;
-    printf("Enter the expression :: ");
-    scanf("%s",exp);
-    e = exp;
-    while(*e != '\0')
-    {
-        if(isalnum(*e))
-            printf("%c",*e);
-        else if(*e == '(') //push it directly into the stack
-            push(*e);
-        else if(*e == ')') //pop until we gwt the left parenthesis
-        {
-            while((x = pop()) != '(')
-                printf("%c", x);
-        }
-        else
-        {
-            while(priority(stack[top]) >= priority(*e)) //pop until priority of top of stack is greater than equal to priority of expressions character
-                printf("%c",pop());
-            push(*e); //otherwise push
-        }
-        e++;
-    }
-    // keep popping until top is not -1
-    while(top != -1)
-    {
-        printf("%c",pop()); 
-    }
-}