C-programs.rar_carrier

/* Write a C program to accept a matrix of given order and * interchnge any two rows and columns in the original matrix*/ #include <stdio.h> void main() { static int m1[10][10],m2[10][10]; int i,j,m,n,a,b,c, p, q, r; printf ("Enter the order of the matrix\n"); scanf ("%d %d",&m,&n); printf ("Enter the co-efficents of the matrix\n"); for (i=0; i<m;++i) { for (j=0;j<n;++j) { scanf ("%d,",&m1[i][j]); m2[i][j] = m1[i][j]; } } printf ("Enter the numbers of two rows to be exchnged \n"); scanf ("%d %d", &a,&b); for (i=0;i<m;++i) { c = m1[a-1][i]; /* first row has index is 0 */ m1[a-1][i] = m1[b-1][i]; m1[b-1][i] = c; } printf ("Enter the numbers of two columns to be exchnged\n"); scanf ("%d %d",&p,&q); printf ("The given matrix is \n"); for (i=0;i<m;++i) { for (j=0;j<n;++j) printf (" %d",m2[i][j]); printf ("\n"); } for (i=0;i<n;++i) { r = m2[i][p-1]; /* first column index is 0 */ m2[i][p-1] = m2[i][q-1]; m2[i][q-1] = r; } printf ("The matix after interchnging the two rows(in the original matrix)\n"); for (i=0; i<m; ++i) { for (j=0; j<n; ++j) { printf (" %d",m1[i][j]); } printf ("\n"); } printf("The matix after interchnging the two columns(in the original matrix)\n"); for (i=0;i<m;++i) { for (j=0;j<n;++j) printf (" %d", m2[i][j]); printf ("\n"); } } /*----------------------------------------------------------------------- Enter the order of the matrix 3 3 Enter the co-efficents of the matrix 1 2 4 5 7 9 3 0 6 Enter the numbers of two rows to be exchnged 1 2 Enter the numbers of two columns to be exchnged 2 3 The given matrix is 1 2 4 5 7 9 3 0 6 The matix after interchnging the two rows (in the original matrix) 5 7 9 1 2 4 3 0 6 The matix after interchnging the two columns(in the original matrix) 1 4 2 5 9 7 3 6 0 -------------------------------------------------------------------------*/