Stack Array
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/* Write
C programs that implement stack (its operations) using i) Arrays */
#include<stdio.h> #include int st_arr[20]; int t=-1; void push_ele(int ele); int pop_ele(); void display_ele(); void main() { char choice,num1=0,num2=0; while(1) { clrscr(); printf("======================================"); printf("\n\t\t MENU "); printf("\n======================================"); printf("\n[1] Using Push Function"); printf("\n[2] Using Pop Function"); printf("\n[3] Elements present in Stack"); printf("\n[4] Exit\n"); printf("\n\tEnter your choice: "); fflush(stdin); scanf("%c",&choice); switch(choice-'0') { case 1: { printf("\n\tElement to be pushed: "); scanf("%d",&num1); push_ele(num1); break; } case 2: { num2=pop_ele(1); printf("\n\tElement to be popped: %d\n\t",num2); getch(); break; } case 3: { display_ele(); getch(); break; } case 4: exit(1); break;
} }
default: printf("\nYour choice is invalid.\n"); break;
}
/*Implementing the push() function. */ void push_ele(int ele) { if(t==99) { printf("STACK is Full.\n"); getch(); exit(1); } st_arr[++t]=ele; } /*Implementing the pop() function. */ int pop_ele() { int ele1; if(t==-1) { printf("\n\tSTACK is Empty.\n"); getch(); exit(1); } return(st_arr[t--]); } /*Implementing display() function. */ void display_ele() { int k; printf("\n\tElements present in the stack are:\n\t"); for(k=0;k<=t;k++) printf("%d\t",st_arr[k]); }
C programs that implement stack (its operations) using i) Arrays */
#include<stdio.h> #include
} }
default: printf("\nYour choice is invalid.\n"); break;
}
/*Implementing the push() function. */ void push_ele(int ele) { if(t==99) { printf("STACK is Full.\n"); getch(); exit(1); } st_arr[++t]=ele; } /*Implementing the pop() function. */ int pop_ele() { int ele1; if(t==-1) { printf("\n\tSTACK is Empty.\n"); getch(); exit(1); } return(st_arr[t--]); } /*Implementing display() function. */ void display_ele() { int k; printf("\n\tElements present in the stack are:\n\t"); for(k=0;k<=t;k++) printf("%d\t",st_arr[k]); }
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