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en/docs/chapter_introduction/algorithms_are_everywhere.md
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@@ -45,7 +45,7 @@ This essential skill for elementary students, looking up a dictionary, is actual
The above method of organizing playing cards is essentially the "Insertion Sort" algorithm, which is very efficient for small datasets. Many programming languages' sorting functions include the insertion sort.
**Example 3: Making Change**. Suppose we buy goods worth $69$ yuan at a supermarket and give the cashier $100$ yuan, then the cashier needs to give us $31$ yuan in change. They would naturally complete the thought process as shown below.
**Example 3: Making Change**. Suppose we buy goods worth $69$ yuan at a supermarket and give the cashier $100$ yuan, then the cashier needs to give us $31$ yuan in change. They would naturally complete the thought process as shown in Figure 1-3.
1. The options are currencies smaller than $31$, including $1$, $5$, $10$, and $20$.
2. Take out the largest $20$ from the options, leaving $31 - 20 = 11$.

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en/docs/chapter_introduction/what_is_dsa.md
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@@ -27,7 +27,7 @@ A "data structure" is a way of organizing and storing data in a computer, with t
## 1.2.3   Relationship between data structures and algorithms
As shown in the Figure 1-4 , data structures and algorithms are highly related and closely integrated, specifically in the following three aspects:
As shown in Figure 1-4, data structures and algorithms are highly related and closely integrated, specifically in the following three aspects:
- Data structures are the foundation of algorithms. They provide structured data storage and methods for manipulating data for algorithms.
- Algorithms are the stage where data structures come into play. The data structure alone only stores data information; it is through the application of algorithms that specific problems can be solved.
@@ -37,13 +37,13 @@ As shown in the Figure 1-4 , data structures and algorithms are highly related a
<p align="center"> Figure 1-4 &nbsp; Relationship between data structures and algorithms </p>
Data structures and algorithms can be likened to a set of building blocks, as illustrated in the Figure 1-5 . A building block set includes numerous pieces, accompanied by detailed assembly instructions. Following these instructions step by step allows us to construct an intricate block model.
Data structures and algorithms can be likened to a set of building blocks, as illustrated in Figure 1-5. A building block set includes numerous pieces, accompanied by detailed assembly instructions. Following these instructions step by step allows us to construct an intricate block model.
![Assembling blocks](what_is_dsa.assets/assembling_blocks.png){ class="animation-figure" }
<p align="center"> Figure 1-5 &nbsp; Assembling blocks </p>
The detailed correspondence between the two is shown in the Table 1-1 .
The detailed correspondence between the two is shown in Table 1-1.
<p align="center"> Table 1-1 &nbsp; Comparing data structures and algorithms to building blocks </p>