put everything in one file

    test_asymptote() is the former test_ssq_max.cxx's main
    main_algo() is the former sous-sequence_max.cxx's main
remove warnings w/ (un)signed comparisons
Merge branch 'master' of github.com:M1Luminy/TP_Complexite

Conflicts:
	code/sous-sequence_max.cxx
	code/test_ssq_max.cxx
fix test: use new int[] because segfault w/ C-style
fix algo_div, it's the right one now!!