diff --git a/matrix.c b/matrix.c
new file mode 100644
index 00000000..170d802b
--- /dev/null
+++ b/matrix.c
@@ -0,0 +1,58 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<math.h>
+
+
+
+int b;
+
+int creatematrix(int a)
+{
+    printf("enter elements\n");
+    int array[a][b];
+    for(int i=0;i<a;i++)
+    {
+        int j;
+        for(j=0;j<b;j++)
+        {
+            int key1;
+            scanf("%d",&key1);
+            array[i][j]=key1;
+        }
+    }
+      presentmatrix(array,a);
+}
+
+
+int presentmatrix(int array[][b],int a)
+{
+    
+    int i,j;
+    for( i=0;i<a;i++)
+    {
+        
+        for(j=0;j<b;j++)
+        {
+            int key=array[i][j];
+           
+            printf("%d ",key);
+          
+        }
+        printf("\n");
+    }
+
+
+}
+
+
+
+void main()
+{
+    int a;
+    printf("enter the dimansion of matrix\n");
+    scanf("%d",&a);
+   
+    scanf("%d",&b);
+    
+    creatematrix(a);
+}
\ No newline at end of file
diff --git a/radixsort.c b/radixsort.c
new file mode 100644
index 00000000..9ecce5ca
--- /dev/null
+++ b/radixsort.c
@@ -0,0 +1,116 @@
+#include<stdio.h>
+#include<math.h>
+
+int radixsort(int arr[], int size,int length)
+{
+    int range=10;
+    int lcount=0;
+    int ray=size;
+    int outputarray[ray];
+    for(int k=0;k<length;k++)
+    {
+    int indexarr[range];
+    int cumalativesum[range];
+    for(int i=0;i<range;i++)
+    {
+        indexarr[i]=0;
+        cumalativesum[i]=0;
+    }
+
+    for(int i=0;i<size;i++)
+    {
+        int value=arr[i];
+        int digit=value/(pow(10,lcount));
+        int dig=digit%10;
+        indexarr[dig]=indexarr[dig]+1;
+    }
+
+    
+
+    for(int i=0;i<range;i++)
+    {
+        cumalativesum[i]=cumalativesum[i-1]+indexarr[i];
+    }
+
+
+    
+    
+    for(int i=ray-1;i>=0;i--)
+    {
+        int key=arr[i];
+        int digit2=key/(pow(10,lcount));
+        int dig2=digit2%10;
+        int findex=cumalativesum[dig2];
+        outputarray[findex-1]=key;
+        --cumalativesum[dig2];
+    }
+    ++lcount;
+
+    for(int i=0;i<size;i++)
+    {
+        arr[i]=outputarray[i];
+    }
+    
+    }
+
+
+    displayarray(outputarray,size);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+int displayarray(int arr[],int size)
+{
+    printf("the output array is\n");
+    for(int i=0;i<size;i++)
+    {
+        printf("%d ",arr[i]);
+    }
+
+}
+
+
+
+
+
+void main()
+{
+    printf("enter size\n");
+    int size;
+    scanf("%d",&size);
+    int arr[size];
+    printf("enter elements\n");
+    for(int i=0;i<size;i++)
+    {
+        int val;
+        scanf("%04d",&val);
+        arr[i]=val;
+    }
+
+    int length;
+
+    printf("enter the max length\n");
+    scanf("%d",&length);
+
+    radixsort(arr , size,length);
+
+
+
+}
\ No newline at end of file