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73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* C program to read a matrix A (MxN) & find the following using
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* functions a) Sum of the elements of each row
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* b) Sum of the elements of each column
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* c) Find the sum of all the elements of the matrix
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* Output the computed results
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*/
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#include <stdio.h>
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int Addrow(int array1[10][10], int k, int c);
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int Addcol(int array1[10][10], int k, int r);
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void main()
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{
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int arr[10][10];
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int i, j, row, col, rowsum, colsum, sumall=0;
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printf("Enter the order of the matrix \n");
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scanf("%d %d", &row, &col);
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printf("Enter the elements of the matrix \n");
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for (i = 0; i < row; i++)
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{
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for (j = 0; j < col; j++)
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{
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scanf("%d", &arr[i][j]);
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}
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}
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printf("Input matrix is \n");
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for (i = 0; i < row; i++)
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{
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for (j = 0; j < col; j++)
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{
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printf("%3d", arr[i][j]);
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}
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printf("\n");
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}
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/* computing row sum */
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for (i = 0; i < row; i++)
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{
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rowsum = Addrow(arr, i, col);
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printf("Sum of row %d = %d\n", i + 1, rowsum);
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}
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/* computing col sum */
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for (j = 0; j < col; j++)
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{
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colsum = Addcol(arr, j, row);
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printf("Sum of column %d = %d\n", j + 1, colsum);
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}
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/* computation of all elements */
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for (j = 0; j < row; j++)
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{
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sumall = sumall + Addrow(arr, j, col);
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}
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printf("Sum of all elements of matrix = %d\n", sumall);
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}
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/* Function to add each row */
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int Addrow(int array1[10][10], int k, int c)
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{
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int rsum = 0, i;
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for (i = 0; i < c; i++)
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{
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rsum = rsum + array1[k][i];
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}
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return(rsum);
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}
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/* Function to add each column */
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int Addcol(int array1[10][10], int k, int r)
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{
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int csum = 0, j;
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for (j = 0; j < r; j++)
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{
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csum = csum + array1[j][k];
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}
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return(csum);
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} |