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#include "linalg/rot90.hpp"
template <typename VC> vc<VC> rot90(const vc<VC>& A, bool counter_clockwise = true, int H = -1, int W = -1) { if (H == -1) { H = len(A), W = len(A[0]); } vc<VC> B(W, VC(H, A[0][0])); if (counter_clockwise) { FOR(x, H) FOR(y, W) B[W - 1 - y][x] = A[x][y]; } else { FOR(x, H) FOR(y, W) B[y][H - 1 - x] = A[x][y]; } return B; }
#line 1 "linalg/rot90.hpp" template <typename VC> vc<VC> rot90(const vc<VC>& A, bool counter_clockwise = true, int H = -1, int W = -1) { if (H == -1) { H = len(A), W = len(A[0]); } vc<VC> B(W, VC(H, A[0][0])); if (counter_clockwise) { FOR(x, H) FOR(y, W) B[W - 1 - y][x] = A[x][y]; } else { FOR(x, H) FOR(y, W) B[y][H - 1 - x] = A[x][y]; } return B; }