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- #include <stdio.h>
- #include <stdlib.h>
- int main()
- {
- int T;
- int i, j, k;
- int n;
- long long array[100][100];
- int flag = 1;
- scanf("%d", &T);
- for(k = 0; k < T; k++)
- {
- scanf("\nN = %d\n", &n);
- for(i = 0; i < n; i++)
- {
- for(j = 0; j < n; j++)
- {
- scanf("%I64d", &array[i][j]);
- }
- }
- flag = 1;
- for(i = 0; i < n && flag == 1; i++)
- {
- for(j = 0; j < n && flag == 1; j++)
- {
- if(array[i][j] != array[(n-1) - i][(n-1) - j] || array[i][j] < 0)
- flag = 0;
- }
- }
- printf("Test #%d: ", k + 1);
- if(flag == 1)
- printf("Symmetric.\n");
- else
- printf("Non-symmetric.\n");
- }
- return 0;
- }
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