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There is an 8*8 chess board in which two diagnolly opposite corners have been cut off. You are given 31 dominos, and a single domino can cover exactly... 阅读全文
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Given a(decimal -e.g. 3.72)number that is passed in as a string, print the binary representation. If the number can not be represented accurately in b... 阅读全文
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An array A[1...n] contains all the integers from 0 to n except for one number which is missing.In this problem, we cannot access an entire integer in ... 阅读全文
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#include#include#includevoid swap(int *a, int *b) { int temp = *a; *a = *b; *b = temp;}int myrand(int left, int right){ return (left+rand(... 阅读全文
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一.全排列无重复字符#include#includechar buf[1024];void func(int index);void swap(int index1,int index2);int main(){ memset(buf,0,sizeof(buf)); sprintf(bu... 阅读全文
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如果指针作为形参，要注意是否希望这个指针作为返回值返回。例如，在链表的插入函数中void Insert(Node *head,Node *x);当head == NULL时，我们希望令head = x,此时实际上只改变了head的副本，head并没有改变，因此正确的函数原型应该是void Inser... 阅读全文
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#include#includeclass KMP{public: KMP(const char *P,const char *Q); void Deal();private: void GenPi(); void Search(); char q[1024]; ... 阅读全文
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#includestruct Node{ int key; Node *p; Node *left; Node *right; Node(int k = 0) { p=NULL; left=NULL; right=NULL... 阅读全文
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2.引用与指针有什么区别？引用必须被初始化，指针不必。引用初始化以后不能被改变，指针可以改变所指的对象。不存在指向空值的引用，但是存在指向空值的指针。6.堆栈溢出一般是由什么原因导致的？ 没有回收垃圾资源。7.什么函数不能声明为虚函数？构造函数不能声明为虚函数。9.写出float x 与“零... 阅读全文