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#ifndef TIMER_H#define TIMER_H#include <ctime>#include <iostream>#include <iomanip>#include <stdio.h>class timer{public:    timer();    ~timer();    unsigned long long rdtsc(void);    unsigned long long getcpu(void);    unsigned long long getcpureal(void);    void microsleep(unsigned long t);private:    unsigned long long cpu;};#endif // TIMER_H