#include <stdio.h>
#include <time.h>
#define N 100000000
int main() {
double sum = 0.0;
clock_t start = clock();
for (long i = 0; i < N; i++) {
sum += i * 0.0000001;
}
clock_t end = clock();
double elapsed = (double)(end - start) / CLOCKS_PER_SEC;
printf("Sum = %f\n", sum);
printf("Time = %f seconds\n", elapsed);
return 0;
}
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