// Coded by Santanu Sikder #include using namespace std; string isMagicCube(int array[][3], bool& isMagic, int& sum) { int arrSize = 2 * (3 + 1), sumArr[arrSize]; for(int x = 0; x < arrSize; x++) { sumArr[x] = 0; } for(int i = 0; i < 3; i++) { for(int j = 0; j < 3; j++) { sumArr[i] += array[i][j]; } } for(int j = 0; j < 3; j++) { for(int i = 0; i < 3; i++) { sumArr[j + 3] += array[i][j]; } } for(int y = 0; y < 3; y++) { sumArr[arrSize - 2] += array[y][y]; sumArr[arrSize - 1] += array[y][(3 - 1) - y]; } sum = sumArr[0]; for(int k = 1; k < arrSize; k++) { if(sumArr[k] != sum) { sum = -1; // For safety } } if(sum > 0) { isMagic = true; return "Yes, it is a MAGIC SQUARE/CUBE!"; } else { return "Sorry, it is NOT a magic square/cube."; } } int main() { int sum = 0, array[3][3]; bool isMagic = false; cout << "Please enter "<< (3 * 3) << " NATURAL numbers ( > 0) separated by a space each, in the British writing order: " << endl; for(int i = 0; i < 3; i++) { for(int j = 0; j < 3; j++) { cin >> array[i][j]; if(array[i][j] <= 0) { cout << "\nPlease enter numbers GREATER THAN 0 ONLY!"; return 0; } } } for(int i = 0; i < 3; i++) { for(int j = 0; j < 3; j++) { cout << array[i][j] << " "; } cout << endl; } cout << endl << isMagicCube(array, isMagic, sum) << endl; if(isMagic == true) { cout << "And the magic sum of the cube is: " << sum; } return 0; }

[CHALLENGE] Magic Cube Checker