diff options
Diffstat (limited to 'content/other')
| -rw-r--r-- | content/other/other.tex | 18 | ||||
| -rw-r--r-- | content/other/recover.cpp | 13 |
2 files changed, 6 insertions, 25 deletions
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<ll, 2> recover(ll c, ll m) { - array<ll, 2> 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; -} |
