diff --git a/jashn/1.c b/jashn/1.c
new file mode 100644
index 0000000..17c0ed6
--- /dev/null
+++ b/jashn/1.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+// creating a function for factorial
+
+int factorial(int n){
+    if (n==0 || n==1)        // if the user wants to find the factorial of 0 or 1 then the answer will return as 1
+      return 1;
+    return n * factorial(n-1);     // if user wants to find the factorial of number except 0 or 1
+ }                             // recursion
+
+int main() {
+    int num;
+    printf("enter number");
+    scanf("%d",&num);
+    printf("factorial of %d is %d",num,factorial(num));
+    return 0;
+}
\ No newline at end of file
diff --git a/jashn/2.c b/jashn/2.c
new file mode 100644
index 0000000..ecc93e3
--- /dev/null
+++ b/jashn/2.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+
+int main() {
+    char str[100];
+    int i = 0;
+
+    printf("Enter a sentence: ");
+    scanf(" %s", str);  // Reads the whole line including spaces until newline
+
+    // Print the first letter if it’s not a space
+    if (str[0] != ' ') {
+        printf("%c ", str[0]);
+    }
+
+    // Iterate through the string to find the first letter of each word
+    while (str[i] != '\0') {
+        // Check if the current character is the start of a new word
+        if (str[i] != ' ' && str[i - 1] == ' ') {
+            printf("%c ", str[i]);
+        }
+        i++;
+    }
+
+    printf("\n");  // Newline after output
+    return 0;
+}
diff --git a/jashn/3.c b/jashn/3.c
new file mode 100644
index 0000000..8756038
--- /dev/null
+++ b/jashn/3.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+
+int main() {
+    int n;
+    printf("Enter number of elements: ");    //size of array or no. of letters
+    scanf("%d", &n);
+
+    int a[n];
+    printf("Enter %d elements: ", n);    // entering the letters in array
+    for (int i = 0; i < n; i++) {
+        scanf("%d", &a[i]);
+    }
+
+    // Bubble Sort 
+
+    for (int i = 0; i < n - 1; i++) {              
+        for (int j = 0; j < n - i - 1; j++) {
+            if (a[j] > a[j + 1]) {
+                // Swap a[j] and a[j + 1]
+                int temp = a[j];
+                a[j] = a[j + 1];
+                a[j + 1] = temp;
+            }
+        }
+    }
+
+    // Print sorted array
+    printf("Sorted array: ");
+    for (int i = 0; i < n; i++) {
+        printf("%d ", a[i]);
+    }
+    printf("\n");
+
+    return 0;
+}
diff --git a/jashn/4.c b/jashn/4.c
new file mode 100644
index 0000000..234faec
--- /dev/null
+++ b/jashn/4.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+    char str[100];
+    int length, isPalindrome = 1;
+
+    printf("Enter a string: ");
+    scanf("%s", str);  // 
+
+    length = strlen(str);
+
+    for (int i = 0; i < length / 2; i++) {
+        if (str[i] != str[length - i - 1]) {
+            isPalindrome = 0; // Not a palindrome if characters don't match
+            break;
+        }
+    }
+
+    if (isPalindrome) {
+        printf("The string is a palindrome.\n");
+    } else {
+        printf("The string is not a palindrome.\n");
+    }
+
+    return 0;
+}
diff --git a/jashn/5.c b/jashn/5.c
new file mode 100644
index 0000000..40cacbe
--- /dev/null
+++ b/jashn/5.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+int main()
+{  
+    
+    int a[3][3];
+        int i,j;
+
+        // entering the value in the determinant
+
+         printf("enter the elements of first matrix:");        
+        for(i=0;i<3;i++)
+        {
+            for(j=0;j<3;j++){
+                scanf("%d",&a[i][j]);
+            }
+            printf("\n");
+        }
+
+        //showing the elements given by user in a matrix
+        printf("matrices entered\n");        
+        for(i=0;i<3;i++)
+        {
+            for(j=0;j<3;j++){
+                printf("%d\t",a[i][j]);
+            }
+            printf("\n");
+        }
+ 
+        int det;
+        det= a[0][0]*((a[1][1]*a[2][2])-(a[1][2]*a[2][1]))-
+             a[0][1]*((a[1][0]*a[2][2])-(a[1][2]*a[2][0]))+
+             a[0][2]*((a[1][0]*a[2][1])-(a[1][1]*a[2][0]));
+        printf("%d",det);
+        return 0;
+}
+        
\ No newline at end of file