main(){int a[4][4]={1,2,3,4,2,2,5,6,3,5,3,7,4,6,7,4}; int I,j,found=0 for(I=0;I<4;I++) for(j=0;J<I;J++) if(a[i][j]!=a[j][i] ) {found=1;break;} if(found) printf(“No”);}