From dca70f3ff8aa6e0a7b2a9ceb06d8b7f1f8d550c2 Mon Sep 17 00:00:00 2001 From: mzuenni Date: Tue, 31 Jan 2023 16:28:59 +0100 Subject: added new code --- other/other.tex | 3 +++ other/sos.cpp | 6 ++++++ 2 files changed, 9 insertions(+) create mode 100644 other/sos.cpp (limited to 'other') diff --git a/other/other.tex b/other/other.tex index 1a56919..a5a05b0 100644 --- a/other/other.tex +++ b/other/other.tex @@ -78,6 +78,9 @@ \paragraph{Quadrangle inequality} Die Bedingung $\forall a\leq b\leq c\leq d: C[a][d] + C[b][c] \geq C[a][c] + C[b][d]$ ist hinreichend für beide Optimierungen. + + \paragraph{Sum over Subsets DP} $\text{res}[\text{mask}]=\sum_{i\subseteq\text{mask}}\text{in}[i]$ + \sourcecode{other/sos.cpp} \end{algorithm} \begin{algorithm}{Parallel Binary Search} diff --git a/other/sos.cpp b/other/sos.cpp new file mode 100644 index 0000000..0fe5dc0 --- /dev/null +++ b/other/sos.cpp @@ -0,0 +1,6 @@ +vector res(in); +for (int i = 1; i < sz(res); i *= 2) { + for (int mask = 0; mask < sz(res); mask++){ + if (mask & i) { + F[mask] += F[mask ^ i]; +}}} -- cgit v1.2.3