AI Coding & CSE Fundamentals
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🚀 Explore AI, Coding & Computer Science Fundamentals. 💻 Programming • DSA • DBMS • OS • Networks 🤖 AI & Emerging Technologies 🛠️ Projects • Tutorials • Learning Resources 📚 Your freedom to gain knowledge for free.
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Channel AI Coding & CSE Fundamentals (@aicoding_csefundamentals) in the English language segment is an active participant. Currently, the community unites 12 310 subscribers, ranking 10 235 in the Technologies & Applications category and 31 257 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 12 310 subscribers.
According to the latest data from 13 November, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -236 over the last 30 days and by -9 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 10.85%. Within the first 24 hours after publication, content typically collects N/A% reactions from the total number of subscribers.
- Post reach: On average, each post receives 1 337 views. Within the first day, a publication typically gains 0 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 11.
- Thematic interests: Content is focused on key topics such as input, string, scanf("%d, array, element.
📝 Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
“🚀 Explore AI, Coding & Computer Science Fundamentals.
💻 Programming • DSA • DBMS • OS • Networks
🤖 AI & Emerging Technologies
🛠️ Projects • Tutorials • Learning Resources
📚 Your freedom to gain knowledge for free.”
Thanks to the high frequency of updates (latest data received on 14 November, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.
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// void pointer- A void pointer is a special pointer type that can hold the
// address of any data type.
//dereferencing of void pointer can only be done after typecasting into other data type.
#include<stdio.h>
void main()
{ void *vp;
int a=10;
float b=5.5;
char ch='b';
vp=&a;
printf("%d\n",*(int*)vp);
vp=&b;
printf("%f\n",*(float*)vp);
vp=&ch;
printf("%c",*(char*)vp);
}
What will be the output of above program .(Do without running)
send output here👇
@c_programmerrr
#include<stdio.h>
void main()
{
int a[]={10,11,-1,56,67,5,4};
int *p,*q;
p=&a[0];
q=&a[0]+3;
printf("%d,%d,%d\n",(*p)++,(*p)++,*(++p));
printf("%d\n",*p);
printf("%d\n",(*p)++);
printf("%d\n",(*p)++);
q--;
printf("%d\n",(*(q+2))--);
printf("%d\n",*(p+2)-2);
printf("%d\n",*(p++-2)-1);
}
#include<stdio.h>
void main()
{
int a[7]={4,8,3,6,1,2,7};
int *p=&a[0],*q;
printf("%d\n",*p); //4
printf("%d,%d,%d\n",(*p)++,*p++,*++p); //3,8,8
printf("%d\n",*p); //4
q=p+3; //q is pointing to a[5]
printf("%d\n",*q-3); //-1
printf("%d\n",*--p+5); //13
printf("%d\n",*p+*q); //10
}
//Performing increment and decrement on pointer
#include<stdio.h>
void main()
{
int a[5]={5,4,6,8,3};
int *p=&a[0];
printf("Value:%d\n",*p); // Value:5
p++; // now,p is pointing to a[1]
printf("Value:%d\n",*p); // Value:4
++p; // now p is pointing to a[2]
printf("Value:%d\n",*p); // value:6
p--; // now p is pointing to a[1]
printf("Value:%d\n",*p); // value:4
--p; // now p is pointing to a[0]
printf("Value:%d\n",*p); // Value:5
}
// performing subraction on pointers.
#include<stdio.h>
void main()
{
int a[5]={6,4,2,5,8};
int *p=&a[0];
int *q=&a[4];
printf("p-q=%d\n",p-q); //p-q=-4
*q=15; // now a[4]=15
printf("q-p=%d\n",q-p); //q-p=4
*p=32; //now ,a[0]=32
q=q-3; //now q is pointing to a[1]
printf("value:%d\n",*q); //value:4
p=p+3; //now p is pointing to a[3]
printf("value:%d\n",*p); //value:5
printf("p-q=%d\n",p-q); //p-q=2
}
follow me in Instagram 👇
https://instagram.com/programmers_heavenn?igshid=ZDc4ODBmNjlmNQ==
//performing addition on pointer.
#include<stdio.h>
void main()
{
int a[5]={5,3,9,7,2};
int *p=&a[0];
printf("Value : %d\n",*p); //Value :5
printf("Address of element:%u\n",p); //Adress of element:6422280
p=p+2; //The pointer will point to a[2]
*p=4; //Now the value of a[2] is modified to 4
printf("Value :%d\n",*p); //Value:9
printf("Address of element:%u\n",p); //Adress of element:6422288
}
// // pointer is a variable which stores the adress of other variable.
// // int *p :- p is a pointer variable which stores the adress of any other int type variable
// // (&)adress of (*) indirection/dereferencing operator
// #include<stdio.h>
// void main()
// {int a=5,b=6;
// int *p,*q; //declaration of pointers p and q
// p=&a; // pointer variable p,has the address of variable a
// q=&b; // pointer variable q, has the adress of variable b
// printf("Value of a:%d\n",*p); //*p will give the value of a i.e *(&a) value at adress of a
// printf("Value of b:%d",*q); //*q will give the alue of b i.e *(&b) value at adress of b
// }
//performing addition on pointer.
#include<stdio.h>
void main()
{
int a[5]={5,3,9,7,2};
int *p=&a[0];
printf("Value : %d\n",*p); //Value :5
printf("Address of element:%u\n",p); //Adress of element:6422280
p=p+2; //The pointer will point to a[2]
*p=4; //Now the value of a[2] is modified to 4
printf("Value :%d\n",*p); //Value:9
printf("Address of element:%u\n",p); //Adress of element:6422288
}
// pointer is a variable which stores the adress of other variable.
// int *p :- p is a pointer variable which stores the adress of any other int type variable
// (&)adress of (*) indirection/dereferencing operator
#include<stdio.h>
void main()
{int a=5,b=6;
int *p,*q; //declaration of pointers p and q
p=&a; // pointer variable p,has the address of variable a
q=&b; // pointer variable q, has the adress of variable b
printf("Value of a:%d\n",*p); //*p will give the value of a i.e *(&a) value at adress of a
printf("Value of b:%d",*q); //*q will give the alue of b i.e *(&b) value at adress of b
}
// Program to reverse a sring using a loop.
#include<stdio.h>
#include<string.h>
int main()
{ char str[50];
printf("Enter the string:");
gets(str);
int i,l=strlen(str);
for(i=0;i<l/2;i++)
{
char ch=str[i];
str[i]=str[l-1-i];
str[l-1-i]=ch;
}
printf("Reversed string:\n%s",str);
return 0;
}
// Program to reverse a sring using strrev function.
#include<stdio.h>
#include<string.h>
int main()
{ char str[20]="coding";
strrev(str);
printf("Reversed string:\n%s",str);
return 0;
}
// Program to concatenate two strings using a loop.
#include<stdio.h>
#include<string.h>
int main()
{ int l1,l2,i;
char s1[50]="C_";
char s2[50]="Programming";
l1=strlen(s1);
l2=strlen(s2);
for(i=0;i<=l2;i++)
{
s1[l1+i]=s2[i];
}
printf("Concatenated string:\n%s",s1);
return 0;
}
// Program to concatenate two strings using strcat function.
#include<stdio.h>
#include<string.h>
int main()
{ char s1[50]="C_";
char s2[50]="Programming";
strcat(s1,s2);
printf("Concateated string:\n%s",s1);
return 0;
}
// Program to find length of a string using a loop.
#include<stdio.h>
int main()
{ int len=0,i;
char string[100];
printf("Enter string:");
gets(string);
for(i=0;string[i]!='\0';i++)
{
len++;
}
printf("Length of the string is: %d",len);
return 0;
}
// Program to find length of a string using strlen function
#include<stdio.h>
#include<string.h>
int main()
{ int len=0;
char string[100];
printf("Enter string:");
gets(string);
len=strlen(string);
printf("Length of the string is: %d",len);
return 0;
}
//Program to read a string and print it.
#include<stdio.h>
int main()
{char name[20];
printf("Enter name:");
gets(name);
puts(name);
return 0;
}
//Program for matrix multiplication.
#include<stdio.h>
int main()
{int r1,c1,r2,c2;
printf("Enter number of rows in first matrix:");
scanf("%d",&r1);
printf("Enter number of coulumns in first matrix:");
scanf("%d",&c1);
printf("Enter number of rows in second matrix:");
scanf("%d",&r2);
printf("Enter number of coulumns in second matrix:");
scanf("%d",&c2);
if(c1==r2) //two matrices can be multiplied only if coloumns of first matrix is equal to rows of second matrix
{
printf("The matrices can be multiplied.\n");
int a[r1][c1],b[r2][c2],c[r1][c2],i,j,k,sum=0;
printf("Enter the elements of first matrix:\n");
for(i=0;i<r1;i++)
{
for(j=0;j<c1;j++)
{
printf("Enter the Element at a[%d][%d]:",i,j);
scanf("%d",&a[i][j]);
}
}
printf("Enter the Elements of second matrix:\n");
for(i=0;i<r2;i++)
{
for(j=0;j<c2;j++)
{
printf("Enter the Element at b[%d][%d]:",i,j);
scanf("%d",&b[i][j]);
}
}
for(i=0;i<r1;i++)
{
for(j=0;j<c2;j++)
{ sum=0;
for(k=0;k<c1;k++)
{
sum=sum+(a[i][k]*b[k][j]);
}
c[i][j]=sum;
}
}
printf("Matrix 1:\n");
for(i=0;i<r1;i++)
{
for(j=0;j<c1;j++)
{
printf("%d\t",a[i][j]);
}
printf("\n");
}
printf("Matrix 2:\n");
for(i=0;i<r2;i++)
{
for(j=0;j<c2;j++)
{
printf("%d\t",b[i][j]);
}
printf("\n");
}
printf("Matrix 1 * Matrix 2:\n");
for(i=0;i<r1;i++)
{
for(j=0;j<c2;j++)
{
printf("%d\t",c[i][j]);
}
printf("\n");
}
}
else{
printf("Matrix cannot be multipled Enter the row and column number correctly.");
}
return 0;
}
//Program to do sum of 2 matrices and store the sum in third matrix, read the elements of matrix.
#include<stdio.h>
int main()
{int a[2][3],b[2][3],c[2][3],i,j;
printf("Enter elemnts of first matrix:\n");
for(i=0;i<2;i++)
{
for(j=0;j<3;j++)
{ printf("Enter the element at a[%d][%d]:",i,j);
scanf("%d",&a[i][j]);
}
}
printf("Enter elemnts of second matrix:\n");
for(i=0;i<2;i++)
{
for(j=0;j<3;j++)
{ printf("Enter the element at b[%d][%d]:",i,j);
scanf("%d",&b[i][j]);
}
}
for(i=0;i<2;i++)
{
for(j=0;j<3;j++)
{ c[i][j]=a[i][j]+b[i][j];
}
}
printf("The sum of two matices=\n");
for(i=0;i<2;i++)
{
for(j=0;j<3;j++)
{ printf("%d\t",c[i][j]);
}
printf("\n");
}
return 0;
}
