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November 8, 2022 03:16
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Stack (Array) implementation in C
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#include<stdio.h> | |
int stack[100],choice,n,top,x,i; | |
void push(void); | |
void pop(void); | |
void display(void); | |
int main() | |
{ | |
//clrscr(); | |
top=-1; | |
printf("\n Enter the size of STACK[MAX=100]:"); | |
scanf("%d",&n); | |
printf("\n\t STACK OPERATIONS USING ARRAY"); | |
printf("\n\t--------------------------------"); | |
printf("\n\t 1.PUSH\n\t 2.POP\n\t 3.DISPLAY\n\t 4.EXIT"); | |
do | |
{ | |
printf("\n Enter the Choice:"); | |
scanf("%d",&choice); | |
switch(choice) | |
{ | |
case 1: | |
{ | |
push(); | |
break; | |
} | |
case 2: | |
{ | |
pop(); | |
break; | |
} | |
case 3: | |
{ | |
display(); | |
break; | |
} | |
case 4: | |
{ | |
printf("\n\t EXIT POINT "); | |
break; | |
} | |
default: | |
{ | |
printf ("\n\t Please Enter a Valid Choice(1/2/3/4)"); | |
} | |
} | |
} | |
while(choice!=4); | |
return 0; | |
} | |
void push() | |
{ | |
if(top>=n-1) | |
{ | |
printf("\n\tSTACK is over flow"); | |
} | |
else | |
{ | |
printf(" Enter a value to be pushed:"); | |
scanf("%d",&x); | |
top++; | |
stack[top]=x; | |
} | |
} | |
void pop() | |
{ | |
if(top<=-1) | |
{ | |
printf("\n\t Stack is under flow"); | |
} | |
else | |
{ | |
printf("\n\t The popped elements is %d",stack[top]); | |
top--; | |
} | |
} | |
void display() | |
{ | |
if(top>=0) | |
{ | |
printf("\n The elements in STACK \n"); | |
for(i=top; i>=0; i--) | |
printf("\n%d",stack[i]); | |
printf("\n Press Next Choice"); | |
} | |
else | |
{ | |
printf("\n The STACK is empty"); | |
} | |
} | |
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