Compilare: main.cpp: In function 'void Read()': main.cpp:23:7: warning: unused variable 'L' [-Wunused-variable] int L, C; ^ main.cpp:23:10: warning: unused variable 'C' [-Wunused-variable] int L, C; ^ main.cpp: In function 'void Do()': main.cpp:83:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < Hash[L - 1].size(); ++j ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:93:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < Hash[L].size(); ++j ) ~~^~~~~~~~~~~~~~~~ main.cpp:102:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < Hash[L + 1].size(); ++j ) ~~^~~~~~~~~~~~~~~~~~~~