Compilare: main.cpp: In member function 'bool chessTable::checkLines()': main.cpp:52:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for (int i = 1 ; i < lc[0].first.size() ; ++ i) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool chessTable::checkColumns()': main.cpp:84:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int i = 1 ; i < cc[0].first.size() ; ++ i) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int chessTable::fixLine(int, std::vector<chessTable::move>&, int)': main.cpp:102:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for (int i = 0 ; i < badOnes.size() ; ++ i) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int chessTable::fixColumn(int, std::vector<chessTable::move>&, int)': main.cpp:124:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for (int i = 0 ; i < badOnes.size() ; ++ i) { | ~~^~~~~~~~~~~~~~~~