xiti answer\xt1\xt1-5.cpp
...........\...\xt1-6.cpp
...........\...\xt1-7.cpp
...........\...\xt1-8.cpp
...........\...\xt1-9.cpp
...........\..2\xt2-3.cpp
...........\...\xt2-4.cpp
...........\...\xt2-7.cpp
...........\...\xt2-8.cpp
...........\..3\xt3-10.cpp
...........\...\xt3-11.cpp
...........\...\xt3-12.cpp
...........\...\xt3-13-1.cpp
...........\...\xt3-13-2.cpp
...........\...\xt3-14.cpp
...........\...\xt3-15.cpp
...........\...\xt3-16.cpp
...........\...\xt3-17.cpp
...........\...\xt3-18.cpp
...........\...\xt3-19.cpp
...........\...\xt3-2.cpp
...........\...\xt3-20-1.cpp
...........\...\xt3-20-2.cpp
...........\...\xt3-20-3.cpp
...........\...\xt3-21.cpp
...........\...\xt3-22.cpp
...........\...\xt3-23.cpp
...........\...\xt3-24.cpp
...........\...\xt3-25.cpp
...........\...\xt3-3.cpp
...........\...\xt3-4-1.cpp
...........\...\xt3-4.cpp
...........\...\xt3-5.cpp
...........\...\xt3-8.cpp
...........\...\xt3-9-1.cpp
...........\...\xt3-9-2.cpp
...........\..4\xt4-1.cpp
...........\...\xt4-10.cpp
...........\...\xt4-11.cpp
...........\...\xt4-12.cpp
...........\...\xt4-14.cpp
...........\...\xt4-15.cpp
...........\...\xt4-16file1.cpp
...........\...\xt4-16file2.cpp
...........\...\xt4-2.cpp
...........\...\xt4-3.cpp
...........\...\xt4-4.cpp
...........\...\xt4-5.cpp
...........\...\xt4-6.cpp
...........\...\xt4-7.cpp
...........\...\xt4-8.cpp
...........\...\xt4-9.cpp
...........\..5\xt5-1.cpp
...........\...\xt5-10.cpp
...........\...\xt5-11-1.cpp
...........\...\xt5-11-2.cpp
...........\...\xt5-12-1.cpp
...........\...\xt5-12-2.cpp
...........\...\xt5-12-3.cpp
...........\...\xt5-12-4.cpp
...........\...\xt5-12-5.cpp
...........\...\xt5-13-1.cpp
...........\...\xt5-13-2.cpp
...........\...\xt5-13-3.cpp
...........\...\xt5-14.cpp
...........\...\xt5-15.cpp
...........\...\xt5-16-1.cpp
...........\...\xt5-16-2.cpp
...........\...\xt5-17.cpp
...........\...\xt5-2.cpp
...........\...\xt5-3.cpp
...........\...\xt5-4.cpp
...........\...\xt5-5.cpp
...........\...\xt5-6.cpp
...........\...\xt5-7.cpp
...........\...\xt5-8.cpp
...........\...\xt5-9.cpp
...........\..6\xt6-1.cpp
...........\...\xt6-10-2.cpp
...........\...\xt6-10.cpp
...........\...\xt6-11-1.cpp
...........\...\xt6-11-2.cpp
...........\...\xt6-11-3.cpp
...........\...\xt6-12.cpp
...........\...\xt6-13.cpp
...........\...\xt6-14.cpp
...........\...\xt6-15.cpp
...........\...\xt6-16-1.cpp
...........\...\xt6-16.cpp
...........\...\xt6-17.cpp
...........\...\xt6-18.cpp
...........\...\xt6-19.cpp
...........\...\xt6-2-1.cpp
...........\...\xt6-2-2.cpp
...........\...\xt6-20.cpp
...........\...\XT6-3.cpp
...........\...\XT6-4.cpp
...........\...\xt6-5.cpp
...........\...\xt6-6.cpp
...........\...\xt6-7.cpp