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lab4/task2.c

+#include <stdio.h>
+
+int main()
+{
+	int dimension, x, y;
+	printf("please enter the rows and columns of the two square matrices: ");
+	scanf("%d", &dimension);
+	int marray1[dimension][dimension];
+    int marray2[dimension][dimension];
+	printf("enter the values of the first matrix:\n");
+	for(x = 0; x < dimension; x++)
+	{
+		for(y = 0; y < dimension; y++)
+		{
+			scanf("%d", &marray1[x][y]);
+		}
+    }
+
+    printf("The first matrix is:\n");
+    for(x = 0; x < dimension; x++)
+    {
+		for(y = 0; y < dimension; y++)
+		{
+			printf("%d, ", marray1[x][y]);
+		}
+		printf("\n");
+	}
+	printf("enter the values of the second matrix:\n");
+	for(x = 0; x < dimension; x++)
+	{
+		for(y = 0; y < dimension; y++)
+		{
+			scanf("%d", &marray2[x][y]);
+        }
+	}
+	printf("The second matrix is:\n");
+	for(x = 0; x < dimension; x++)
+	{
+		for(y = 0; y < dimension; y++)
+		{
+			printf("%d, ", marray2[x][y]);
+		}
+		printf("\n");
+	}
+	printf("\nThe sum of entered matrices are:\n");
+	int sum[dimension][dimension];
+	for(x = 0; x < dimension; x++)
+	{
+		for(y = 0; y < dimension; y++)
+		{
+			sum[x][y] = marray1[x][y] + marray2[x][y];
+			printf("%d, ", sum[x][y]);
+		}
+		printf("\n");
+	}
+	printf("\nThe difference of entered matrices are:\n");
+	int diff[dimension][dimension];
+	for(x = 0; x < dimension; x++)
+	{
+		for(y = 0; y < dimension; y++)
+		{
+			diff[x][y] = marray1[x][y] - marray2[x][y];
+			printf("%d, ", diff[x][y]);
+		}
+		printf("\n");
+	}
+	printf("\nThe sum of products of diagonals of the first matrices are:\n");
+	int product1 = 1;
+	for(x = 0; x < dimension; x++)
+	{
+		product1 = product1 * marray1[x][x];
+	}
+	int product2 = 1;
+	for(x = 0; x < dimension; x++)
+	{
+		product2 = product2 * marray1[x][dimension-1-x];
+	}
+	printf("%d", product1 + product2);
+	printf("\nThe sum of products of diagonal of the second matrices are:\n");  
+	int product3 = 1;
+	for(x = 0; x < dimension; x++)
+		{
+			product3 = product3 * marray2[x][x];
+		}
+		int product4 = 1;
+		for(x = 0; x < dimension; x++)
+		{
+			product4 = product4 * marray2[x][dimension-x-1];
+		}
+		printf("%d", product3 + product4);
+        return 0;
+}
+
+