Compilare: user.cpp: In function ‘int main()’: user.cpp:30:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] f[v[i]].push_back(i); ^ user.cpp:44:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(f[s[0]].size() <= caut - 1) ^ user.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(f[s[0]].size() <= caut - 1) ~~~~~~~~~~~~~~~^~~~~~~~~~~ user.cpp:46:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] caut = f[s[0]][caut - 1]; ^ user.cpp:50:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] auto it = lower_bound(f[car].begin() , f[car].end(),caut); ^ user.cpp:50:57: warning: array subscript has type ‘char’ [-Wchar-subscripts] auto it = lower_bound(f[car].begin() , f[car].end(),caut); ^ user.cpp:51:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] help = std::distance(f[car].begin() , it); ^ user.cpp:52:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(help + mij - 1 >= f[car].size()) ^ user.cpp:52:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(help + mij - 1 >= f[car].size()) ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ user.cpp:55:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] caut = f[car][help + mij - 1]; ^ user.cpp:22:28: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~ user.cpp:22:33: warning: variable ‘dr’ set but not used [-Wunused-but-set-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~ user.cpp:22:38: warning: unused variable ‘stanga’ [-Wunused-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~~~~~ user.cpp:22:47: warning: unused variable ‘dreapta’ [-Wunused-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~~~~~~ user.cpp:22:63: warning: unused variable ‘mijloc’ [-Wunused-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~~~~~ user.cpp:22:84: warning: variable ‘sol’ set but not used [-Wunused-but-set-variable] int n , m , maxbalb , st , dr , stanga , dreapta , mij , mijloc , caut , ok , sol = 0 , sol2 = 100000 , help , lastmij; ^~~ user.cpp:22:94: warning: variable ‘sol2’ set but not used [-Wunused-but-set-variable]