Compilare: main.cpp: In function 'int main()': main.cpp:63:46: warning: 'mby' may be used uninitialized in this function [-Wmaybe-uninitialized] so<<mtx<<' '<<mty<<' '<<mbx<<' '<<mby; ^ main.cpp:63:38: warning: 'mbx' may be used uninitialized in this function [-Wmaybe-uninitialized] so<<mtx<<' '<<mty<<' '<<mbx<<' '<<mby; ^~~ main.cpp:63:28: warning: 'mty' may be used uninitialized in this function [-Wmaybe-uninitialized] so<<mtx<<' '<<mty<<' '<<mbx<<' '<<mby; ^~~ main.cpp:63:18: warning: 'mtx' may be used uninitialized in this function [-Wmaybe-uninitialized] so<<mtx<<' '<<mty<<' '<<mbx<<' '<<mby; ^~~