Toggle navigation
?
users online
Logout
Open hangout
Open chat for current file
h(_,0,_,_,[]). h(T,N,S,L,[H|U]):-sub_string(T,S,L,_,H),M is N-1,A is S+1,h(T,M,A,L,U). s(T,R):-string_length(T,L),findall('_',between(1,L,_),A),string_chars(B,A),string_concat(B,T,C),string_concat(C,B,D),S is L-((L-1)/2),h(D,L,S,L,R).