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Of all the changes that have taken place in English-language newspapers during the past quarter-century, perhaps the most far-reaching has been the in 阅读全文
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A proper vertex coloring is a labeling of the graph's vertices with colors such that no two vertices sharing the same edge have the same color. A colo 阅读全文
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https://blog.csdn.net/qq_29874741/article/details/94626531 阅读全文
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The basic task is simple: given N real numbers, you are supposed to calculate their average. But what makes it complicated is that some of the input n 阅读全文
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Passage 30 Earlier this week, a thick layer of smog rolled into China's capital city, turning skyscrapers into shadows and clear air into a yellow fog 阅读全文
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AC【螺旋矩阵】三部曲：1、[ 找到 m、n ] 2、[ 开二维数组填充矩阵 ] 3、[ 输出矩阵 ] 1 #include<bits/stdc++.h> 2 using namespace std; 3 4 bool cmp(int a, int b) { return a > b; } 5 6 阅读全文
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WA代码如下： 1 #include<bits/stdc++.h> 2 using namespace std; 3 map<string, string> mmp; 4 map<string, int> has; 5 int main() 6 { 7 int n, m; cin >> n >> m 阅读全文
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Passage 29 Living abroad can be an exhilarating experience that encourages new world views, increases cultural curiosity and supports willingness to e 阅读全文
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Passage 28 What are the main differences between the Chinese and American approach to education? The Chinese and American education systems have diffe 阅读全文