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

-2 votes191 views2 answers
Ascending lexicographic order
C
0 vote256 views1 answer
How to compress image in c
C
0 vote244 views1 answer
C zero out array
C
12 votes233 views2 answers
Install *.deb file in ubuntu
C
0 vote242 views1 answer
Windows forms picturebox change image
C
0 vote251 views1 answer
Increase size of array in c
C
0 vote245 views1 answer
Macos prevent disk mounting
C
1 vote249 views1 answer
Const godot gdscript
C
0 vote259 views1 answer
C fscanf ignore commas
C
4 votes259 views1 answer
C double specifier
C