concat(head(s),head(tail(tail(s)))=”ac”,(head,tail的定义等同广义表),则s=accc; 分析:广义表L=(A,B,C),表头是A,表尾(B,C),这是定义。 tail()表示取字符串的尾部,head()表示取字符串的头,concat()表示字符串拼接。取两次尾部一次头部,然后合并,即为accc。 12、用二进制来编码字符串“abcdabaa...
The default method combines its arguments to form a vector. All arguments are coerced to a common...
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分割之后会返回一个char** strv 表示分割出子串str的vector,返回一个int strc表示分割出子串的数量,在使用完毕之后自行释放strv strv可能是NULL 比如” “使用‘ ’分割之后就是NULL。 以下介绍分割函数splitstr_c() 代码语言:javascript 复制 //* 切割字符串,strv返回字符串数组,strc返回分割之后的字符串数量void...
eraseVector.cpp Learning exercise Dec 7, 2023 eraseVector2.cpp Learning exercise Dec 7, 2023 fetchAvgTemp.cpp Add files via upload Feb 18, 2024 fisrtAndLastOccurrence.cpp Add files via upload Feb 18, 2024 forTest.cpp Add files via upload ...
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其中TH_CONCAT_*同样是宏定义,实现拼接字符串的功能,如对于IntTensor类型会有: THPTensor_(init) will be convert to THPIntTensor_init 而类似THPTensor_(NAME)格式的字串在generic目录下的代码实现中大量出现。 这里的命名值得一提,源码中会经常遇到THP和TH前缀的变量,前者是pytorch中的变量前缀,区别于后者,源自...
1 . pair 返回两个值 //返回两个值的情况 pair,int> R_R(Mat& img) { int n=img.rows; vector...p1.first; // 返回对象p1中名为first的公有数据成员 p1.second; //创建与初始化 pair ob; ...vector > b; // 创建一个空对象b,两个元素类型分别是string和vector类型 //排序 //默认 pairIt...
C语言基础,使用预处理器:#define可以在程序中定义一个常量,它在编译时会被替换为其对应的值。使用**const**关键字:const关键字用于