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import numpy as np x = [1,2,3,4,5,6] x = np.array(x) y = x y[0] = 100 print(x) z = np.array(x) z[:] = x[:] z[0] = 1 print(x) [100 2 3 4 5 6][100 2 3 4 ÔĶÁÈ«ÎÄ
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class Solution { public: int NumberOf1(int n) { int ans = 0; int mask = 1; while(mask != 0){ if(mask & n) ++ans; mask <<= 1; } return ans; } }; Õâ¸ö·½·¨ºÜºÃ ÔĶÁÈ«ÎÄ
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#include <iostream> #include <deque> using namespace std; template<class T> class my_shared_ptr { private: T* m_ptr = nullptr; unsigned int* m_ref_cou ÔĶÁÈ«ÎÄ
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template<typename T> class Auto_ptr1 { public: Auto_ptr1(T* ptr = nullptr): //Ï൱ÓÚ´«ÈëµÄÊÇnew resourceµÄÖ¸Õë Ãû³Æptr m_ptr{ptr} //ͨ¹ý²ÎÊýÁÐ±í¸³Öµ¸øm_ptr ÕâÊÇÕû¸öÊÇÒ»¸ö¹¹Ô캯Êý {} ÔĶÁÈ«ÎÄ
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void gluLookAt(GLdouble eyex,GLdouble eyey,GLdouble eyez,GLdouble centerx,GLdouble centery,GLdouble centerz,GLdouble upx,GLdouble upy,GLdouble upz);¸Ã ÔĶÁÈ«ÎÄ