diff options
Diffstat (limited to 'sonstiges/LCSOS.cpp')
| -rw-r--r-- | sonstiges/LCSOS.cpp | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/sonstiges/LCSOS.cpp b/sonstiges/LCSOS.cpp deleted file mode 100644 index 103e503..0000000 --- a/sonstiges/LCSOS.cpp +++ /dev/null @@ -1,22 +0,0 @@ -//longest common substring in one string (overlapping not excluded) -string lsubs(string s) { - if(s.length() == 0) return ""; - vector<int> a(s.length()); - for(int k = 0; k < a.size(); k++) a[k] = k; - sort(a.begin(), a.end(), [&] (const int &u, const int &l) { - int ui = u, li = l; - while(ui < s.length() && li < s.length()) { - if(s[ui] < s[li]) return true; - else if(s[ui] > s[li]) return false; - ui++; li++; - } - return !(ui < s.length()); - }); - int r = 0, m=0, c=0; - for(int i = 0; i < a.size() - 1; i++) { - c = 0; - while(a[i]+c < s.length() && a[i+1]+c < s.length() && s[a[i]+c] == s[a[i+1]+c]) c++; - if(c > m) r=i, m=c; - } - return m == 0 ? "" : s.substr(a[r], m); -} |
