Update Basic_8.c

Basic_1.c

@@ -1,3 +1,21 @@
 // TASK
 // Write code to find if the number is even or odd
 // Code Below
+#include<stdio.h>
+#include<conio.h>
+void main()
+{
+  clrscr();
+  int a,b,c;
+  printf("enter the no. to find out whether it is even or odd");
+  scanf("%d",&a);
+  if(a%2==0)
+  {
+    printf("no. is even");
+  }
+  else
+  {
+    printf("no. is odd"0);
+  }
+  getch();
+}

Basic_12.c

@@ -1,3 +1,15 @@
 // TASK
 // Write code to find cube of a number
 // Code Below
+#include<stdio.h>
+#include<conio.h>
+void main()
+{
+   clrscr();
+   int a,b=0,c;
+   printf("enter the no to take out its cube = ");
+   scanf("%d",&a);
+   b=a*a*a;
+   printf("cube of no. is = %d",b);
+  getch();
+}  

Basic_8.c

@@ -1,3 +1,55 @@
 // TASK
 // Write code to add two 2D Matrix
 // Code Below
+
+#include <stdio.h>
+int main(){
+    int r, c, a[100][100], b[100][100], sum[100][100], i, j;
+
+    printf("Enter number of rows (between 1 and 100): ");
+    scanf("%d", &r);
+    printf("Enter number of columns (between 1 and 100): ");
+    scanf("%d", &c);
+
+    printf("\nEnter elements of 1st matrix:\n");
+
+    for(i=0; i<r; ++i)
+        for(j=0; j<c; ++j)
+        {
+            printf("Enter element a%d%d: ",i+1,j+1);
+            scanf("%d",&a[i][j]);
+        }
+
+    printf("Enter elements of 2nd matrix:\n");
+    for(i=0; i<r; ++i)
+        for(j=0; j<c; ++j)
+        {
+            printf("Enter element a%d%d: ",i+1, j+1);
+            scanf("%d", &b[i][j]);
+        }
+
+    // Adding Two matrices
+
+    for(i=0;i<r;++i)
+        for(j=0;j<c;++j)
+        {
+            sum[i][j]=a[i][j]+b[i][j];
+        }
+
+    // Displaying the result
+    printf("\nSum of two matrix is: \n\n");
+
+    for(i=0;i<r;++i)
+        for(j=0;j<c;++j)
+        {
+
+            printf("%d   ",sum[i][j]);
+
+            if(j==c-1)
+            {
+                printf("\n\n");
+            }
+        }
+
+    return 0;
+}