Compilare: main.cpp: In function 'int main()': main.cpp:75:49: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for( int j = ( v[ i ][ j ] == '\\' ); j < v[ i ].size(); j++ ) | ~~^~~~~~~~~~~~~~~ main.cpp:75:34: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] 75 | for( int j = ( v[ i ][ j ] == '\\' ); j < v[ i ].size(); j++ ) | ^