Compilare: user.cpp: In function ‘int main()’: user.cpp:27:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1; j<=line.size(); j++) s[i][j] = line[j-1]; ^ user.cpp:34:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] latest[s[i][j]] = j; ^ user.cpp:52:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nxt[i][st[i].top()][x] < dim[i]+1) sol[op]++;//, cout<<"Sirul #"<<i<<" potriveste\n"; ^ user.cpp:53:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[i].push(nxt[i][st[i].top()][x]); ^