#include // Enter a number not greater than 15. // This program will output // a magic square with the following dimensions: // Your input-----------|| The side length------| // 1 || 3 | // 2 || 5 | // 3 || 7 | // 4 || 9 | // 5 || 11 | // 6 || 13 | // 7 || 15 | // 8 || 17 | // 9 || 19 | // 10 || 21 | // 11 || 23 | // 12 || 25 | // 13 || 27 | // 14 || 29 | // 15 || 31 | // --------------------------------------------- using namespace std; int main(){ int i, j, insize, size, total = 1; int ii, jj, kk; int iii, jjj; cin >> insize; size = insize * 2 + 1; if(size >= 32){ cout << "Size is too big"; return -1; } else{ size++; int mgsq[size][size]; for(ii = 1; ii < size; ii++){ for(jj = 0; jj < (size - 1); jj++){ mgsq[ii][jj] = 0; } } for(kk = 0; kk < (size - 1); kk++){ mgsq[0][kk] = 962; mgsq[kk + 1][size - 1] = 963; } mgsq[0][size - 1] = 964; i = 1; j = insize; mgsq[i][j] = 1; while(total < (size - 1) * (size - 1)){ while(mgsq[i - 1][j + 1] == 0){ i--; j++; total++; mgsq[i][j] = total; } while(mgsq[i - 1][j + 1] == 962){ i = size - 1; j++; total++; mgsq[i][j] = total; } while(mgsq[i - 1][j + 1] == 963){ i--; j = 0; total++; mgsq[i][j] = total; } while(mgsq[i - 1][j + 1] == 964){ i++; total++; mgsq[i][j] = total; } while((mgsq[i - 1][j + 1] != 0) && (mgsq[i - 1][j + 1] != 962) && (mgsq[i - 1][j + 1] != 963) && (mgsq[i - 1][j + 1] != 964)){ i++; total++; mgsq[i][j] = total; } } for(iii = 1; iii < size; iii++){ for(jjj = 0; jjj < (size - 1); jjj++){ cout << " "; if(mgsq[iii][jjj] < 10){ cout << mgsq[iii][jjj] << " "; } else if(10 <= mgsq[iii][jjj] && mgsq[iii][jjj] < 100){ cout << mgsq[iii][jjj] << " "; } else{ cout << mgsq[iii][jjj]; } } cout << "\n"; } return 0; } }

Magic Squares