==10550== 768 bytes in 24 blocks are definitely lost in loss record 1 of 1
==10550==    at 0x4C2B0E0: operator new(unsigned long) (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==10550==    by 0x40270B: list::ReadFromDisk() (list.cpp:264)
==10550==    by 0x402B76: main (main.cpp:13)
==10550==
==10550== LEAK SUMMARY:
==10550==    definitely lost: 768 bytes in 24 blocks
==10550==    indirectly lost: 0 bytes in 0 blocks
==10550==      possibly lost: 0 bytes in 0 blocks
==10550==    still reachable: 0 bytes in 0 blocks
==10550==         suppressed: 0 bytes in 0 blocks