05 2021 档案

C++ optimized fib function via map
摘要：1 #include <iostream> 2 #include <map> 3 4 using namespace std; 5 6 map<int, unsigned long long> fibMap; 7 unsigned long long fibDemo4(int i); 8 9 int 阅读全文
posted @ 2021-05-26 10:24 FredGrit 阅读(44) 评论(0) 推荐(0) 编辑
C++ write time string and uuid to file
摘要：#pragma comment(lib, "rpcrt4.lib") #include <iostream> #include <time.h> #include <windows.h> #include <sstream> #include <fstream> using namespace st 阅读全文
posted @ 2021-05-24 19:46 FredGrit 阅读(55) 评论(0) 推荐(0) 编辑
C++ calculate the time cost in 100 nanoseconds precision
摘要：#include <chrono> using namespace std; void chronoDemo9() { cout << "Started" << endl; for (int i = 0; i < 10; i++) { std::chrono::time_point<std::chr 阅读全文
posted @ 2021-05-18 09:36 FredGrit 阅读(51) 评论(0) 推荐(0) 编辑
C++ append file via ofstream
摘要：#include <iostream> #include <fstream> #include <string> #include <conio.h> using namespace std; void writeFileDemo5() { ofstream writeFile("writeFile 阅读全文
posted @ 2021-05-08 11:55 FredGrit 阅读(134) 评论(0) 推荐(0) 编辑

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