Magic Square matrix
int magic_mat[8][3][3] = {
{{8, 1, 6}, {3, 5, 7}, {4, 9, 2}},
{{6, 1, 8}, {7, 5, 3}, {2, 9, 4}},
{{4, 9, 2}, {3, 5, 7}, {8, 1, 6}},
{{2, 9, 4}, {7, 5, 3}, {6, 1, 8}},
{{8, 3, 4}, {1, 5, 9}, {6, 7, 2}},
{{4, 3, 8}, {9, 5, 1}, {2, 7, 6}},
{{6, 7, 2}, {1, 5, 9}, {8, 3, 4}},
{{2, 7, 6}, {9, 5, 1}, {4, 3, 8}},
};
int A[3][3];
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++)
scanf("%d", &A[i][j]);
}
int min_cost = 81;
for (int k = 0; k < 8; k++) {
int crt_cost = 0;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++)
crt_cost += abs( A[i][j] - magic_mat[k][i][j] );
}
if (crt_cost < min_cost)
min_cost = crt_cost;
}
printf("%d", min_cost);