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);

Source: hackerrank.com

Similar codes

4 votes131 views2 answers
Maximo comun divisor
C
24 votes163 views3 answers
Filing in C
C
0 vote139 views2 answers
Sort linked list C
C
0 vote129 views1 answer
Atomic variable c
C
1 vote200 views2 answers
Redis
C
0 vote172 views1 answer
Synopsis of fork()
C
2 votes140 views1 answer
Format in vim
C
0 vote140 views3 answers
Chevront de vlavier
C
2 votes149 views1 answer
Callback c++ c
C
20 votes130 views3 answers
Cannot find module cv2 when using opencv
C