52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/*
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* C program to accept a matrix of order M x N and store its elements
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* and interchange the main diagonal elements of the matrix
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* with that of the secondary diagonal elements
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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 array[10][10];
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int i, j, m, n, a;
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printf("Enter the order of the matix \n");
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scanf("%d %d", &m, &n);
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if (m == n)
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{
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printf("Enter the co-efficients 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("%dx%d", &array[i][j]);
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}
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}
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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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{
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printf(" %d", array[i][j]);
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}
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printf("\n");
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}
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for (i = 0; i < m; ++i)
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{
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a = array[i][i];
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array[i][i] = array[i][m - i - 1];
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array[i][m - i - 1] = a;
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}
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printf("The matrix after changing the \n");
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printf("main diagonal & secondary diagonal\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", array[i][j]);
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}
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printf("\n");
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}
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}
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else
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printf("The given order is not square matrix\n");
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}
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