#24 C Pointers and Arrays | C Programming For Beginners

#24 C Pointers and Arrays | C Programming For Beginners

In the last video, we learned about Pointers in C. We learned about working with memory addresses. Now, we will learn to use pointers to work with arrays. We will see examples to access elements using pointers and also to change array elements using pointers. So this video will be very helpful to understand the use of pointers and array with each other much more clearly.

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Resources:

Timestamps:
00:15 - C Pointers and Array
05:15 - Access array elements using pointer
06:43 - Change array elements using pointers
08:40 - Programming Task
09:34 - Quiz

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[programizstudios]

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[jessicabuehne]

I love studying with programiz, it's explained so simply :) I'm currently studying for my programming exam that's coming up, so thank you for the free lessons!

[shijothomas]

ages represent the memory address of the zeroth array element. ie, ages+0 equals &ages[0]. Option D is the correct answer

[rodolfoc.nascimento]

Amazing, the way you teach is incrible! I got pointers now, I admiti I had some dificult, thank you!

[AIVerse.]

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[ycdpsjw]

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[vissakanvj]

This video is great, the last programming task makes it perfect.🛐

[nandishnandish]

Can't wait, so curious about ur next series

[akshaybagalkotkar]

#include<stdio.h>

int main()
{
int arr[5] = {34, 12, 21, 54, 48};

int largest = *arr;

int i=0;

for(i=0; i<5;i++)
{
if (largest <*(arr + i))
{
largest = *(arr + i);
}
}
printf("Largest element in array is %d", largest);
}

[jonathanmawuena]

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[sunnypreetham]

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[rodolfoc.nascimento]

Never thougth I would finally use pointers and make the challenge in this video

[phoneix]

When I was in college no internet resources were available. To search something simple as function pointers or array pointers we had to read books from Library. It was a tedious process.
A college project could have taken months to complete.
I love how modern education has evolved and become so interesting and simple.

[stealthy_doctor]

Wonderful video! i think for the quiz it is D. &ages[0] because its like what was said where if you use just the name of the array it points to the head by deafult

#include <stdio.h>

int main() {
// Write C code here
int arr[5] = {34, 12, 21, 54, 48};
int largest = *arr;

for(int i = 0; i<5;i++){
if(largest < *(arr+i)){
largest = *(arr+i);
}
}

printf("Largest Element: %d\n", largest);

return 0;
}

[sushilgbp]

Quz answer is option D.
#include<stdio.h>
int main()
{
int arr[5] = {5, 10, 15, 20};

int largest = *arr;

int i=0;

for(i=0; i<4;i++)
{
if (largest <*(arr + i))
{
largest = *(arr + i);
}
}
printf("Largest element: %d", largest);
}

[iufdise]

I don't understand how you make it so easy like this. Thanks a lot

[emmanueljulius]

Ages represent the first element in the array, which is ages[0]

[likithm]

mam i request you upload the series on daily basis....

[markbarasa]

best tutorial for freshers >> beginners

[light-warrior]

Task:

#include <stdio.h>

int main() {

int arr[5] = {34, 12, 21, 54, 48};
printf("First element in the array before change: %d\n", arr[0]);

int largest = *arr;

*arr = 65;
printf("Fist element in the array after the change: %d\n", *arr);

for(int i = 0; i < 5; i++) {

if (largest < *(arr + i) ) {
largest = *(arr + i);
}
}
printf("Largest number of the array: %d\n", largest);

return 0;
}


Quiz answer: ages[0] represents the first element of the array, ages[1] represents the second element, and so forth, up to ages[4], which represents the fifth (and last) element of the array.