Create Sum_lowerTrianguElement.cpp

Sum_lowerTrianguElement.cpp

@@ -0,0 +1,57 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+        int i, j, arr[10][10], sum, rows, cols;
+        cout<<"\n Enter Number of Rows    : ";
+        cin>>rows;
+
+        cout<<"\n Enter Number of Columns : ";
+        cin>>cols;
+
+        for (i = 0; i < rows; i++)  //Accepting the Elements in Matrix
+        {
+                for (j = 0; j < cols; j++)
+                {
+                        cout<<"\n Enter the Elements : ";//<<arr[i]<<arr[j];
+                        cin>>arr[i][j];
+                }
+        }
+        cout<<"\n Matrix is : \n";
+        for (i = 0; i < rows; i++)  //Displaying the Elements in Matrix
+        {
+                cout<<" ";
+                for (j = 0; j < cols; j++)
+                {
+                        cout<<" ";
+                        cout<<arr[i][j];
+                }
+                cout<<"\n";
+        }
+        cout<<"\n Lower Triangle Elements : \n"; //Displaying Lower Triangular Elements
+        for (i = 0; i < rows; i++)
+        {
+                cout<<" ";
+                for (j = 0; j < cols; j++)
+                {
+                        if (i > j)  
+                        {
+                                cout<<" ";
+                                cout<<arr[i][j];  
+                        }
+                }
+                cout<<"\n";
+        }
+        //Sum of all Lower Triangular Elements
+        sum = 0;
+        for (i = 0; i < rows; i++)
+        for (j = 0; j < cols; j++)
+        {
+                if (i > j)  
+                {
+                        sum = sum + arr[i][j];  
+                }
+        }
+        cout<<"\n Sum of Lower Triangle Elements : "<<sum;  //Printing the sum of lower triangular elements
+        return (0);
+}