A code to measure the speed of your code in nano seconds

speedOfCode.c

// This codelet does not give you the exact time your C code ran for
// but a number signifying the nano seconds your C code ran for which
// includes your cpu speed.

#include<stdio.h>
#include<sys/time.h>
#include <inttypes.h>

int main() {
    
    struct timespec start, end;
    clock_gettime(CLOCK_MONOTONIC, &start);
    // Write your code here or in any function and declare here
    clock_gettime(CLOCK_MONOTONIC, &end);
    uint64_t delta_us = end.tv_nsec - start.tv_nsec;
    printf("Time spent on the code %" PRIu64 "ns", delta_us);

    return 0;
}