A common method to rotate the image

1 /*2 * Clockwise rotate3 * First reverse down, then swap the symmetry4 * 1 2 3 7 8 9 7 4 15 * 4 5 6 = 4 5 6 = 8 5 26 * 7 8 9 1 2 3 9 6 37 */8 voidRotate (vector<vector<int> > &matrix) {9 Reverse (Matrix.begin (), Matrix.end ());Ten      for(inti =0; I < matrix.size (); ++i) { One          for(intj = i +1; J < Matrix[i].size (); ++j) A swap (Matrix[i][j], matrix[j][i]); -     } - } the  - /* - * anticlockwise Rotate - * First reverse left-right, then swap the symmetry + * 1 2 3 3 2 1 3 6 9 - * 4 5 6 = 6 5 4 = 2 5 8 + * 7 8 9 9 8 7 1 4 7 A */ at voidAnti_rotate (vector<vector<int> > &matrix) { -      for(auto Vi:matrix) reverse (Vi.begin (), Vi.end ()); -      for(inti =0; I < matrix.size (); ++i) { -          for(intj = i +1; J < Matrix[i].size (); ++j) - swap (Matrix[i][j], matrix[j][i]); -     } in}

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A common method to rotate the image