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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* Matrix symmetric - Program to check whether a given matrix is symmetric or not */
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#include <stdio.h>
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#include <conio.h>
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void main()
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{
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int x[10][10], nr, nc, r, c, flag ;
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clrscr() ;
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printf("Enter the number of rows and columns: ") ;
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scanf("%d %d", &nr, &nc) ;
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if(nr==nc) /* checking for square matrix */
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{
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printf("Enter elements of the matrix row-wise: \n") ;
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for(r=0 ; r<nr ; r++)
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for(c=0 ; c<nc ; c++)
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scanf("%d", &x[r][c]) ;
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flag=1 ; /* assuming matrix is symmetric */
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for(r=0 ; r<nr && flag==1 ; r++)
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for(c=0 ; c<nc && flag==1 ; c++)
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if(r<c)
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if(x[r][c]!=x[c][r]) /* True if not symmetric */
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flag=0;
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if(flag==1)
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printf("The given matrix is symmetric");
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else
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printf("The given matrix is not symmetric");
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}
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else
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printf("The matrix is not a square matrix");
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getch();
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}
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/*
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Output1:
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Enter the number of rows and columns: 3 3
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Enter elements of the matrix:
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11 1 2
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1 22 3
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2 3 44
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The given matrix is symmetric
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Output2:
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Enter the number of rows and columns: 3 3
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Enter elements of the matrix:
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11 1 2
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1 22 3
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4 3 44
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The given matrix is not symmetric
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Output3:
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Enter the number of rows and columns: 3 4
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The matrix is not a square matrix
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*/
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