From 0257f0b3c61f203f64c3817dfe19a08f6191517c Mon Sep 17 00:00:00 2001 From: mzuenni Date: Wed, 11 Sep 2024 00:29:27 +0200 Subject: moved stuff --- content/other/other.tex | 18 ++++++------------ content/other/recover.cpp | 13 ------------- 2 files changed, 6 insertions(+), 25 deletions(-) delete mode 100644 content/other/recover.cpp (limited to 'content/other') diff --git a/content/other/other.tex b/content/other/other.tex index 368d0b3..191a6da 100644 --- a/content/other/other.tex +++ b/content/other/other.tex @@ -72,6 +72,12 @@ \sourcecode{other/sos.cpp} \end{algorithm} +\begin{algorithm}{Fast Subset Sum} + \method{fastSubsetSum}{findet maximale subset $\mathit{sum}\leq t$}{n \cdot A} + Die Laufzeit hängt vom maximalen Wert $A$ in der Menge ab. + \sourcecode{other/fastSubsetSum.cpp} +\end{algorithm} + \begin{algorithm}{Parallel Binary Search} \sourcecode{other/pbs.cpp} \end{algorithm} @@ -95,18 +101,6 @@ \textbf{Beachte bei der Ausgabe, dass die Personen im ersten Fall von $\boldsymbol{1, \ldots, n}$ nummeriert sind, im zweiten Fall von $\boldsymbol{0, \ldots, n-1}$!} \end{algorithm} -\vfill\null\columnbreak - -\subsection{Recover $\boldsymbol{x}$ and $\boldsymbol{y}$ from $\boldsymbol{y}$ from $\boldsymbol{x\*y^{-1}}$ } -\method{recover}{findet $x$ und $y$ für $x=x\*y^{-1}\bmod m$}{\log(m)} -\textbf{WICHTIG:} $x$ und $y$ müssen kleiner als $\sqrt{\nicefrac{m}{2}}$ sein! -\sourcecode{other/recover.cpp} - -\subsection{Fast Subset Sum} -\method{fastSubsetSum}{findet maximale subset sum $\leq t$}{n \cdot A} -Die Laufzeit hängt vom maximalen Wert $A$ in der Menge ab. -\sourcecode{other/fastSubsetSum.cpp} - \begin{algorithm}[optional]{Zeileneingabe} \sourcecode{other/split.cpp} \end{algorithm} diff --git a/content/other/recover.cpp b/content/other/recover.cpp deleted file mode 100644 index 1a593f0..0000000 --- a/content/other/recover.cpp +++ /dev/null @@ -1,13 +0,0 @@ -ll sq(ll x) {return x*x;} - -array recover(ll c, ll m) { - array u = {m, 0}, v = {c, 1}; - while (m <= 2 * sq(v[0])) { - ll q = u[0] / v[0]; - u[0] -= q * v[0]; - u[1] -= q * v[1]; - swap(u, v); - } - if (v[1] <= 0 || 2 * sq(v[1]) >= m) return {-1, -1}; - return v; -} -- cgit v1.2.3