63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*
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* C program to accept a matrix of given order and interchange
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* any two rows and columns in the original matrix
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*/
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#include <stdio.h>
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void main()
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{
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static int array1[10][10], array2[10][10];
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int i, j, m, n, a, b, c, p, q, r;
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printf("Enter the order of the matrix \n");
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scanf("%d %d", &m, &n);
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printf("Enter the co-efficents of the matrix \n");
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for (i = 0; i < m; ++i)
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{
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for (j = 0; j < n; ++j)
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{
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scanf("%d,", &array1[i][j]);
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array2[i][j] = array1[i][j];
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}
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}
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printf("Enter the numbers of two rows to be exchanged \n");
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scanf("%d %d", &a, &b);
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for (i = 0; i < m; ++i)
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{
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/* first row has index is 0 */
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c = array1[a - 1][i];
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array1[a - 1][i] = array1[b - 1][i];
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array1[b - 1][i] = c;
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}
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printf("Enter the numbers of two columns to be exchanged \n");
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scanf("%d %d", &p, &q);
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printf("The given matrix is \n");
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for (i = 0; i < m; ++i)
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{
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for (j = 0; j < n; ++j)
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printf(" %d", array2[i][j]);
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printf("\n");
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}
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for (i = 0; i < n; ++i)
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{
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/* first column index is 0 */
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r = array2[i][p - 1];
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array2[i][p - 1] = array2[i][q - 1];
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array2[i][q - 1] = r;
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}
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printf("The matix after interchanging the two rows(in the original matrix) \n");
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for (i = 0; i < m; ++i)
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{
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for (j = 0; j < n; ++j)
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{
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printf(" %d", array1[i][j]);
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}
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printf("\n");
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}
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printf("The matix after interchanging the two columns(in the original matrix) \n");
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for (i = 0; i < m; ++i)
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{
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for (j = 0; j < n; ++j)
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printf(" %d", array2[i][j]);
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printf("\n");
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}
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}
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