lse
{
bit_map.reset();
while (fscanf(fp_unsort_file, "%d ", &num) != EOF)
{
if (num >= max_each_scan && num < 10000000)
{
num -= max_each_scan;
bit_map.set(num, 1);
}
}
for (i = 0; i < max_each_scan; i++)