purpose of data structure
In computer science, a data structure is a data organization, management,
and storage format that enables efficient access and modification.
More precisely, a data structure is a collection of data values,
the relationships among them, and the functions or operations that can be
applied to the data.python data structures
#string
string = 'Hi my name is Dr.Hippo'
#integer(whole number)
integer = 12345
#floating point number
fl = 123.456
#list
li = [1,2,3,,'string',None]
#boolean
t = True
f = False
#none(equivalent to null or undefined in other languages)
n = None
#dictionary
dictionary = {'key':'value'}data structures in c
// Stack implementation in C
#include <stdio.h>
#include <stdlib.h>
#define MAX 10
int count = 0;
// Creating a stack
struct stack {
int items[MAX];
int top;
};
typedef struct stack st;
void createEmptyStack(st *s) {
s->top = -1;
}
// Check if the stack is full
int isfull(st *s) {
if (s->top == MAX - 1)
return 1;
else
return 0;
}
// Check if the stack is empty
int isempty(st *s) {
if (s->top == -1)
return 1;
else
return 0;
}
// Add elements into stack
void push(st *s, int newitem) {
if (isfull(s)) {
printf("STACK FULL");
} else {
s->top++;
s->items[s->top] = newitem;
}
count++;
}
// Remove element from stack
void pop(st *s) {
if (isempty(s)) {
printf("\n STACK EMPTY \n");
} else {
printf("Item popped= %d", s->items[s->top]);
s->top--;
}
count--;
printf("\n");
}
// Print elements of stack
void printStack(st *s) {
printf("Stack: ");
for (int i = 0; i < count; i++) {
printf("%d ", s->items[i]);
}
printf("\n");
}
// Driver code
int main() {
int ch;
st *s = (st *)malloc(sizeof(st));
createEmptyStack(s);
push(s, 1);
push(s, 2);
push(s, 3);
push(s, 4);
printStack(s);
pop(s);
printf("\nAfter popping out\n");
printStack(s);
}data structures used
Depending on the data that I am working with, I use
Arrays, Lists, Sets, Maps.data structure
Input : arr[] = {5, 6, 7, 8, 9, 10, 1, 2, 3};
key = 3
Output : Found at index 8
Input : arr[] = {5, 6, 7, 8, 9, 10, 1, 2, 3};
key = 30
Output : Not found
Input : arr[] = {30, 40, 50, 10, 20}
key = 10
Output : Found at index 3data structures
Implementation of all basic Data Structures in Python at this link:
https://github.com/shreyasvedpathak/Data-Structure-PythonCopyright © 2021 Codeinu
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