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-rw-r--r--Makefile21
-rw-r--r--datastructures/datastructures.tex43
-rw-r--r--datastructures/dynamicConvexHull.cpp10
-rw-r--r--datastructures/monotonicConvexHull.cpp43
-rw-r--r--datastructures/test/monotonicConvexHull.cpp26
-rw-r--r--datastructures/unionFind2.cpp33
-rw-r--r--geometry/geometry.tex13
-rw-r--r--graph/graph.tex18
-rw-r--r--java/java.tex4
-rw-r--r--latexHeaders/commands.sty7
-rw-r--r--math/math.tex9
-rw-r--r--tcr.tex6
12 files changed, 168 insertions, 65 deletions
diff --git a/Makefile b/Makefile
index 2e05265..39f92b0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,19 @@
TESTS = \
datastructures/test/fenwickTree.test \
datastructures/test/fenwickTree2.test \
+ datastructures/test/monotonicConvexHull.test \
graph/test/binary_lifting.test \
graph/test/LCA_sparse.test
-pdf:
- latexmk -pdf tcr
+LATEXMK = latexmk -interaction=nonstopmode
+
+tcr.pdf: FORCE
+ $(LATEXMK) -pdf tcr
+
+pdf: tcr.pdf tcr-opt.pdf
+
+tcr-opt.pdf: FORCE
+ $(LATEXMK) -pdf -jobname=tcr-opt -usepretex="\def\OPTIONAL{}" tcr
all: pdf test
@@ -14,7 +22,8 @@ test: $(TESTS:.test=.ok)
clean: cleanpdf cleantest
cleanpdf:
- latexmk -c tcr
+ $(LATEXMK) -C tcr
+ $(LATEXMK) -C -jobname=tcr-opt tcr
rm -f *.thm
cleantest:
@@ -31,9 +40,13 @@ datastructures/test/fenwickTree.test: datastructures/test/fenwickTree.cpp \
datastructures/fenwickTree.cpp
datastructures/test/fenwickTree2.test: datastructures/test/fenwickTree2.cpp \
datastructures/fenwickTree2.cpp
+datastructures/test/monotonicConvexHull.test: \
+ datastructures/test/monotonicConvexHull.cpp \
+ datastructures/monotonicConvexHull.cpp
graph/test/binary_lifting.test: graph/test/binary_lifting.cpp \
graph/binary_lifting.cpp graph/test/util.cpp
graph/test/LCA_sparse.test: graph/test/LCA_sparse.cpp \
graph/LCA_sparse.cpp datastructures/sparseTable.cpp graph/test/util.cpp
-.PHONY: all pdf test clean cleanpdf cleantest
+FORCE:
+.PHONY: all pdf test clean cleanpdf cleantest FORCE
diff --git a/datastructures/datastructures.tex b/datastructures/datastructures.tex
index 37a1dc2..0285490 100644
--- a/datastructures/datastructures.tex
+++ b/datastructures/datastructures.tex
@@ -29,7 +29,7 @@
\end{methods}
\sourcecode{datastructures/fenwickTree2.cpp}
\end{algorithm}
-\clearpage
+\columnbreak
\begin{algorithm}{STL-Rope (Implicit Cartesian Tree)}
\sourcecode{datastructures/stlRope.cpp}
@@ -54,6 +54,14 @@
\sourcecode{datastructures/sparseTable.cpp}
\end{algorithm}
+\begin{algorithm}[optional]{Range Aggregate Query}
+ \begin{methods}
+ \method{init}{baut Struktur auf}{n\*\log(n)}
+ \method{query}{Aggregat über [l,r)}{1}
+ \end{methods}
+ \sourcecode{datastructures/sparseTableDisjoint.cpp}
+\end{algorithm}
+
\begin{algorithm}{Wavelet Tree}
\begin{methods}
\method{Constructor}{baut den Baum auf}{n\*\log(n)}
@@ -79,7 +87,7 @@
\end{methods}
\sourcecode{datastructures/LCT.cpp}
\end{algorithm}
-\clearpage
+\columnbreak
\begin{algorithm}{Union-Find}
\begin{methods}
@@ -91,11 +99,37 @@
\sourcecode{datastructures/unionFind.cpp}
\end{algorithm}
-\begin{algorithm}{Lower/Upper Envelope (Convex Hull Optimization)}
- Um aus einem lower envelope einen upper envelope zu machen (oder umgekehrt), einfach beim Einfügen der Geraden $m$ und $b$ negieren.
+\begin{algorithm}[optional]{Union-Find with size}
+ \begin{methods}
+ \method{init}{legt $n$ einzelne Unions an}{n}
+ \method{findSet}{findet den Repräsentanten}{\log(n)}
+ \method{unionSets}{vereint 2 Mengen}{\log(n)}
+ \method{getSize}{zählt Elemente in Menge, die $i$ enthält}{\log(n)}
+ \method{m\*findSet + n\*unionSets}{Folge von Befehlen}{n+m\*\alpha(n)}
+ \end{methods}
+ \sourcecode{datastructures/unionFind2.cpp}
+\end{algorithm}
+
+\begin{algorithm}{Lower Envelope (Convex Hull Optimization)}
+ Um aus einem Lower Envelope einen Upper Envelope zu machen (oder
+ umgekehrt), einfach beim Einfügen der Geraden $m$ und $b$ negieren.
+ \subsubsection{Monotonic}
+ \begin{methods}
+ \method{add}{add line $mx + b$, $m$ is decreasing}{1}
+ \method{query}{minimum value at $x$, $x$ is increasing}{1}
+ \end{methods}
\sourcecode{datastructures/monotonicConvexHull.cpp}
\columnbreak
+ \subsubsection{Dynamic}
+ \begin{methods}
+ \method{add}{add line $mx + b$}{\log(n)}
+ \method{query}{minimum value at $x$}{\log(n)}
+ \end{methods}
\sourcecode{datastructures/dynamicConvexHull.cpp}
+ \optional{
+ \subsubsection{Li Chao tree \opthint}
+ \sourcecode{datastructures/lichao.cpp}
+ }
\end{algorithm}
\begin{algorithm}{Persistent}
@@ -105,6 +139,7 @@
\method{reset}{setzt die Datenstruktur auf Zeitpunkt $t$}{1}
\end{methods}
\sourcecode{datastructures/persistent.cpp}
+ \columnbreak
\sourcecode{datastructures/persistentArray.cpp}
\end{algorithm}
diff --git a/datastructures/dynamicConvexHull.cpp b/datastructures/dynamicConvexHull.cpp
index d669847..2bd67a6 100644
--- a/datastructures/dynamicConvexHull.cpp
+++ b/datastructures/dynamicConvexHull.cpp
@@ -19,13 +19,11 @@ struct HullDynamic : multiset<Line, less<>> {
auto x = insert({m, b, 0});
while (isect(x, next(x))) erase(next(x));
if (x != begin()) {
- x--;
- if (isect(x, next(x))) {
- erase(next(x));
- isect(x, next(x));
- }}
+ --x;
+ while (isect(x, next(x))) erase(next(x));
+ }
while (x != begin() && prev(x)->p >= x->p) {
- x--;
+ --x;
isect(x, erase(next(x)));
}}
diff --git a/datastructures/monotonicConvexHull.cpp b/datastructures/monotonicConvexHull.cpp
index 44bff83..e7b9b3e 100644
--- a/datastructures/monotonicConvexHull.cpp
+++ b/datastructures/monotonicConvexHull.cpp
@@ -1,27 +1,26 @@
-// Lower Envelope mit MONOTONEN Inserts und Queries. Jede neue
-// Gerade hat kleinere Steigung als alle vorherigen.
-struct Line {
- ll m, b;
- ll operator()(ll x) {return m*x+b;}
-};
+struct Envelope {
+ struct Line {
+ ll m, b;
+ ll operator()(ll x) { return m*x+b; }
+ };
-vector<Line> ls;
-int ptr = 0;
+ vector<Line> ls;
+ int ptr = 0;
-bool bad(Line l1, Line l2, Line l3) {
- return (l3.b-l1.b)*(l1.m-l2.m) < (l2.b-l1.b)*(l1.m-l3.m);
-}
+ static bool bad(Line l1, Line l2, Line l3) {
+ return (l3.b-l1.b)*(l1.m-l2.m) < (l2.b-l1.b)*(l1.m-l3.m);
+ }
-void add(ll m, ll b) { // Laufzeit O(1) amortisiert
- while (sz(ls) > 1 && bad(ls.end()[-2], ls.end()[-1], {m, b})) {
- ls.pop_back();
+ void add(ll m, ll b) {
+ while (sz(ls) > 1 && bad(ls.end()[-2], ls.back(), {m, b})) {
+ ls.pop_back();
+ }
+ ls.push_back({m, b});
+ ptr = min(ptr, sz(ls) - 1);
}
- ls.push_back({m, b});
- ptr = min(ptr, sz(ls) - 1);
-}
-ll query(ll x) { // Laufzeit: O(1) amortisiert
- ptr = min(ptr, sz(ls) - 1);
- while (ptr < sz(ls)-1 && ls[ptr + 1](x) < ls[ptr](x)) ptr++;
- return ls[ptr](x);
-} \ No newline at end of file
+ ll query(ll x) {
+ while (ptr < sz(ls)-1 && ls[ptr + 1](x) < ls[ptr](x)) ptr++;
+ return ls[ptr](x);
+ }
+};
diff --git a/datastructures/test/monotonicConvexHull.cpp b/datastructures/test/monotonicConvexHull.cpp
new file mode 100644
index 0000000..62ea4cd
--- /dev/null
+++ b/datastructures/test/monotonicConvexHull.cpp
@@ -0,0 +1,26 @@
+#include "../monotonicConvexHull.cpp"
+
+int main() {
+ {
+ Envelope env;
+ env.add(10, 0);
+ assert(env.query(0) == 0);
+ assert(env.query(1) == 10);
+ env.add(8, 5);
+ assert(env.query(1) == 10);
+ assert(env.query(2) == 20);
+ assert(env.query(3) == 29);
+ env.add(7, 10);
+ assert(env.query(10) == 80);
+ env.add(0, 0);
+ assert(env.query(11) == 0);
+ }
+
+ {
+ Envelope env;
+ env.add(1, 0);
+ env.add(0, 10);
+ env.add(-1, 10);
+ assert(env.query(7) == 3);
+ }
+}
diff --git a/datastructures/unionFind2.cpp b/datastructures/unionFind2.cpp
index 5362c4d..d1b9162 100644
--- a/datastructures/unionFind2.cpp
+++ b/datastructures/unionFind2.cpp
@@ -1,25 +1,26 @@
-vector<int> uf;
+// unions[i] >= 0 => unions[i] = parent
+// unions[i] < 0 => unions[i] = -size
+vector<int> unions;
-init(int N) {
- uf.assign(N,-1); //-1 indicates that every subset has size 1
+init(int n) {
+ unions.assign(n, -1);
}
int findSet(int i) {
- if(uf[i] < 0) return i; //If uf[i] < 0 we have reach a root
- uf[i] = findSet(uf[i]); //Path-Compression
- return uf[i];
+ if (unions[i] < 0) return i;
+ return unions[i] = findSet(unions[i]);
}
-void linkSets(int i, int j) {
- //Take |uf[i]|, where i must be a root, to get the size
- //of the subset
- if(abs(uf[i]) < abs(uf[j])) { //Union-by-size.
- uf[j] += uf[i]; uf[i] = j;
- } else {
- uf[i] += uf[j]; uf[j] = i;
- }
+void linkSets(int a, int b) { // Union by size.
+ if (unions[b] > unions[a]) swap(a, b);
+ unions[b] += unions[a];
+ unions[a] = b;
}
-void unionSets(int i, int j) {
- if(findSet(i) != findSet(j)) linkSets(findSet(i),findSet(j));
+void unionSets(int a, int b) {
+ if (findSet(a) != findSet(b)) linkSets(findSet(a),findSet(b));
+}
+
+void getSize(int i) {
+ return -unions[findSet(i)];
}
diff --git a/geometry/geometry.tex b/geometry/geometry.tex
index d740f46..75184df 100644
--- a/geometry/geometry.tex
+++ b/geometry/geometry.tex
@@ -41,7 +41,7 @@
\sourcecode{geometry/formulars3d.cpp}
\optional{
- \subsection{3D-Kugeln}
+ \subsection{3D-Kugeln \opthint}
\sourcecode{geometry/spheres.cpp}
}
@@ -49,15 +49,22 @@
\sourcecode{geometry/hpi.cpp}
\end{algorithm}
+\begin{algorithm}[optional]{Intersecting Segments}
+ \begin{methods}
+ \method{intersect}{finds ids of intersecting segments}{n\*\log(n)}
+ \end{methods}
+ \sourcecode{geometry/segmentIntersection.cpp}
+\end{algorithm}
+
\begin{algorithm}[optional]{Delaunay Triangulierung}
\begin{methods}
\method{delaunay}{berechnet Triangulierung}{n\*\log(n)}
\end{methods}
- \textbf{WICHTIG:} Wenn alle Punkte kollinear sind gibt es keine Traingulierung! Wenn 4 Punkte auf einem Kreis liegen ist die Triangulierung nicht eindeutig.
+ \textbf{WICHTIG:} Wenn alle Punkte kollinear sind gibt es keine Triangulierung! Wenn 4 Punkte auf einem Kreis liegen ist die Triangulierung nicht eindeutig.
\sourcecode{geometry/delaunay.cpp}
\end{algorithm}
\optional{
-\subsection{Geraden}
+\subsection{Geraden \opthint}
\sourcecode{geometry/lines.cpp}
}
diff --git a/graph/graph.tex b/graph/graph.tex
index 4394192..bcfe689 100644
--- a/graph/graph.tex
+++ b/graph/graph.tex
@@ -51,7 +51,15 @@
Subbaum unter dem Knoten $v$ ist das Intervall $[\text{\code{in[v]}},~\text{\code{out[v]}})$.
\sourcecode{graph/hld.cpp}
\end{algorithm}
-\clearpage
+\columnbreak
+
+\begin{algorithm}[optional]{DP rerooting}
+ \sourcecode{graph/reroot.cpp}
+\end{algorithm}
+
+\begin{algorithm}[optional]{Virtual trees}
+ \sourcecode{graph/virtualTree.cpp}
+\end{algorithm}
\begin{algorithm}{Baum-Isomorphie}
\begin{methods}
@@ -139,6 +147,8 @@ Sei $a_{ij}$ die Adjazenzmatrix von $G$ \textcolor{gray}{(mit $a_{ii} = 1$)}, da
\sourcecode{graph/scc.cpp}
\end{algorithm}
+\columnbreak
+
\begin{algorithm}{2-SAT}
\sourcecode{graph/2sat.cpp}
\end{algorithm}
@@ -150,7 +160,7 @@ Sei $a_{ij}$ die Adjazenzmatrix von $G$ \textcolor{gray}{(mit $a_{ii} = 1$)}, da
\end{methods}
\sourcecode{graph/bronKerbosch.cpp}
\end{algorithm}
-\clearpage
+\columnbreak
\begin{algorithm}{Cycle Counting}
\begin{methods}
@@ -208,7 +218,7 @@ Sei $a_{ij}$ die Adjazenzmatrix von $G$ \textcolor{gray}{(mit $a_{ii} = 1$)}, da
\subsection{Max-Flow}
\optional{
-\subsubsection{Capacity Scaling}
+\subsubsection{Capacity Scaling \opthint}
\begin{methods}
\method{maxFlow}{gut bei dünn besetzten Graphen.}{\abs{E}^2\*\log(C)}
\method{addEdge}{fügt eine \textbf{gerichtete} Kante ein}{1}
@@ -231,7 +241,7 @@ Sei $a_{ij}$ die Adjazenzmatrix von $G$ \textcolor{gray}{(mit $a_{ii} = 1$)}, da
\sourcecode{graph/dinicScaling.cpp}
\optional{
-\subsubsection{Anwendungen}
+\subsubsection{Anwendungen \opthint}
\begin{itemize}
\item \textbf{Maximum Edge Disjoint Paths}\newline
Finde die maximale Anzahl Pfade von $s$ nach $t$, die keine Kante teilen.
diff --git a/java/java.tex b/java/java.tex
index bc656ff..9429106 100644
--- a/java/java.tex
+++ b/java/java.tex
@@ -3,7 +3,7 @@
\lstset{language=Java}
\optional{
-\subsection{Introduction}
+\subsection{Introduction \opthint}
\begin{itemize}
\item Compilen: \code{javac main.java}
@@ -31,7 +31,7 @@
}
\optional{
-\subsection{BigInteger}
+\subsection{BigInteger \opthint}
\sourcecode{java/bigInteger.java}
}
\endgroup
diff --git a/latexHeaders/commands.sty b/latexHeaders/commands.sty
index da78745..c39923c 100644
--- a/latexHeaders/commands.sty
+++ b/latexHeaders/commands.sty
@@ -7,6 +7,11 @@
\newcommand{\code}[1]{\lstinline[breaklines=true]{#1}}
\let\codeSafe\lstinline
+\ifoptional
+ \renewcommand{\columnbreak}{}
+ \newcommand\opthint{\textcolor{gray}{(optional)}}
+\fi
+
\usepackage{tikz}
\usetikzlibrary{angles,quotes}
@@ -17,7 +22,7 @@
\ifthenelse{\equal{#1}{optional}}{%
\optional{
\needspace{4\baselineskip}%
- \subsection{#2\textcolor{gray}{(optional)}}%
+ \subsection{#2 \opthint}%
#3%
}
}{%
diff --git a/math/math.tex b/math/math.tex
index a9e4c74..bae7bff 100644
--- a/math/math.tex
+++ b/math/math.tex
@@ -26,7 +26,7 @@
\end{methods}
\sourcecode{math/permIndex.cpp}
\end{algorithm}
-\clearpage
+\columnbreak
\subsection{Mod-Exponent und Multiplikation über $\boldsymbol{\mathbb{F}_p}$}
%\vspace{-1.25em}
@@ -42,6 +42,11 @@
\item für $a > 10^9$ \code{__int128} oder \code{modMul} benutzten!
\end{itemize}
+\begin{algorithm}[optional]{Square root modulo prime}
+ \sourcecode{math/modSqrt.cpp}
+ \sourcecode{math/sqrtModCipolla.cpp}
+\end{algorithm}
+
\begin{algorithm}{ggT, kgV, erweiterter euklidischer Algorithmus}
\runtime{\log(a) + \log(b)}
\sourcecode{math/gcd-lcm.cpp}
@@ -272,7 +277,7 @@ sich alle Lösungen von $x^2-ny^2=c$ berechnen durch:
\method{gauss}{löst LGS}{n^3}
\sourcecode{math/lgsFp.cpp}
-\clearpage
+\columnbreak
\subsection{Primzahlzählfunktion $\boldsymbol{\pi}$}
\begin{methods}
diff --git a/tcr.tex b/tcr.tex
index fe56ef6..f623796 100644
--- a/tcr.tex
+++ b/tcr.tex
@@ -11,7 +11,9 @@
% Options
\newif\ifoptional
-%\optionaltrue
+\ifdefined\OPTIONAL
+ \optionaltrue
+\fi
% Font encoding.
\usepackage[T1]{fontenc}
@@ -43,6 +45,7 @@
% Content.
\begin{multicols*}{3}
+ \raggedcolumns
\input{datastructures/datastructures}
\input{graph/graph}
\input{geometry/geometry}
@@ -51,6 +54,7 @@
\clearpage
\input{math/tables}
\begin{multicols*}{3}
+ \raggedcolumns
\input{string/string}
\input{java/java}
\input{other/other}