P3375 【Template] KMP string matching
Title Description
As the title, give two strings S1 and s2, where S2 is a substring of s1, find out all the positions of S2 in s1.
In order to reduce the situation of cheating, next output the prefix array next of the substring.
（If you don’t know what that means, don’t ask, go to Baidu and learn about the KMP algorithm.
Input output format
Input format:
The first behavior is a string, that is S1.
Second behavior a string, that is S2
Output format:
A number of rows, each containing an integer, indicating the position of S2 in S1.
...
1.Iterative mode
Provides a way to access elements in an aggregated object sequentially without exposing the internal representation of the object.
2.Example
public interface Iterator {
public Boolean hashNext();
public Integer next();
}
public class IteratorImp {
private ArrayList<Integer> list;
public IteratorImp(ArrayList<Integer> list) {
super();
this.list = list;
}
public MyIterator iterator() {
return new MyIterator();
}
class MyIterator implements Iterator {
private int size = list.size();
private int i = 0;
@Override
publ...
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4 <html>
5 <head>
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Question:
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Some online prediction problems can be translated into online convex optimization framework. The following two kinds of convexity techniques are introduced:
Some online prediction problems do not seem to fit the online convex optimization framework. For example, in the online classification problem, the prediction domain (predictions domain) or the loss function are not convex. We describe two convex techniques that allow us to use online convex optimization frameworks in other scenarios.
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3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
4 <html>
5 <head>
6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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