From e7b3965a7f268266946b10227b5bc163b4968a69 Mon Sep 17 00:00:00 2001
From: Komal Gupta <komalgupta991000@gmail.com>
Date: Tue, 25 May 2021 13:16:55 +0530
Subject: [PATCH 1/3] Create Diagnol_sum_of_matrix_elements.cpp

---
 .../Diagnol_sum_of_matrix_elements.cpp        | 84 +++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 Matrix_programs/Diagnol_sum_of_matrix_elements.cpp

diff --git a/Matrix_programs/Diagnol_sum_of_matrix_elements.cpp b/Matrix_programs/Diagnol_sum_of_matrix_elements.cpp
new file mode 100644
index 0000000..5e4d797
--- /dev/null
+++ b/Matrix_programs/Diagnol_sum_of_matrix_elements.cpp
@@ -0,0 +1,84 @@
+/*
+Find sum of left  and right diagonals of a matrix :
+---------------------------------------
+Input the size of the square matrix : 4
+Input elements of matrix :
+2
+4
+3
+4
+2
+5
+7
+5
+8
+9
+3
+5
+8
+9
+5
+1
+The matrix is :
+   2   4   3   4
+   2   5   7   5
+   8   9   3   5
+   8   9   5   1
+Addition of the Right Diagonal elements is :11
+Addition of the  left Diagonal elements is :28
+*/
+#include<stdio.h>
+void main()
+   {
+     int i,j,a[50][50],sum=0,n,m=0,sum1;
+	 
+       printf("\n\nFind sum of left  and right diagonals of a matrix :\n");
+       printf("---------------------------------------\n");	 
+	 
+	 printf("Input the size of the square matrix : ");
+     scanf("%d", &n); 
+         m=n;
+	 printf("Input elements of matrix :\n");
+       for(i=0;i<n;i++)
+        {
+            for(j=0;j<n;j++)
+            {
+	           scanf("%d",&a[i][j]);
+            }
+        }  
+	 printf("The matrix is :\n");
+	 for(i=0;i<n;i++)
+	 {
+	   for(j=0;j<n ;j++)
+	     printf("% 4d",a[i][j]);
+	    printf("\n");
+	 }
+// calculate the sum of left diagonals
+	 for(i=0;i<n;i++)
+	 {
+           m=m-1;
+	   for(j=0;j<n ;j++)
+            {
+              if (j==m) 
+                {
+                  sum= sum+a[i][j];
+                }
+              
+            }
+	 }
+	 //right diagnol  sum
+	 for(i=0;i<n;i++)
+	 {
+           m=m-1;
+	   for(j=0;j<n ;j++)
+            {
+              if (i==j) 
+                {
+                  sum1= sum1+a[i][j];
+                }
+              
+            }
+	 }
+	  printf("Addition of the Right Diagonal elements is :%d\n",sum1);
+       printf("Addition of the  left Diagonal elements is :%d\n",sum);
+    }

From 106f49d0de3483d8cbc7ab9d8248f1ae9ef69cb2 Mon Sep 17 00:00:00 2001
From: Komal Gupta <komalgupta991000@gmail.com>
Date: Tue, 25 May 2021 13:41:03 +0530
Subject: [PATCH 2/3] Rename Diagnol_sum_of_matrix_elements.cpp to
 Diagnol_sum_of_matrix_elements.c

---
 ...um_of_matrix_elements.cpp => Diagnol_sum_of_matrix_elements.c} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename Matrix_programs/{Diagnol_sum_of_matrix_elements.cpp => Diagnol_sum_of_matrix_elements.c} (100%)

diff --git a/Matrix_programs/Diagnol_sum_of_matrix_elements.cpp b/Matrix_programs/Diagnol_sum_of_matrix_elements.c
similarity index 100%
rename from Matrix_programs/Diagnol_sum_of_matrix_elements.cpp
rename to Matrix_programs/Diagnol_sum_of_matrix_elements.c

From f67a88feafcf2a1f36186ad983a1c74396d90fcc Mon Sep 17 00:00:00 2001
From: Komal Gupta <komalgupta991000@gmail.com>
Date: Tue, 25 May 2021 13:41:23 +0530
Subject: [PATCH 3/3] Rename Transpose_of_matrix.cpp to Transpose_of_matrix.c

---
 .../{Transpose_of_matrix.cpp => Transpose_of_matrix.c}            | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename Matrix_programs/{Transpose_of_matrix.cpp => Transpose_of_matrix.c} (100%)

diff --git a/Matrix_programs/Transpose_of_matrix.cpp b/Matrix_programs/Transpose_of_matrix.c
similarity index 100%
rename from Matrix_programs/Transpose_of_matrix.cpp
rename to Matrix_programs/Transpose_of_matrix.c