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  1. //Q76. Check if a matrix is symmetric.
  2. #include <stdio.h>
  3. int main() {
  4.     int n,a[10][10],i,j,flag=1;
  5.     scanf("%d",&n);
  6.     for(i=0;i<n;i++)
  7.         for(j=0;j<n;j++)
  8.             scanf("%d",&a[i][j]);
  9.     for(i=0;i<n;i++)
  10.         for(j=0;j<n;j++)
  11.             if(a[i][j] != a[j][i]) flag=0;
  12.     if(flag) printf("Symmetric");
  13.     else printf("Not Symmetric");
  14. }
  15.  
Success #stdin #stdout 0s 5296KB
comments (?)
stdin 
2 2
1 2
2 1
stdout 
Not Symmetric
https://ideone.com/OlP3PP
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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