[C/C++] 코드 실행시간 측정

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#include <iostream> #include <windows.h>   int main (void) {     LARGE_INTEGER liCounter1, liCounter2, liFrequency;     QueryPerformanceFrequency(&liFrequency);     QueryPerformanceCounter(&liCounter1);          // 수행시간 측정을 원하는 Code or 함수 작성          QueryPerformanceCounter(&liCounter2);        printf("Time: %f\n", (double)(liCounter2.QuadPart - liCounter1.QuadPart) / (double)liFrequency.QuadPart);       return 0; }