Compilare: main.cpp: In function 'int main()': main.cpp:81:40: warning: unused variable 'aux' [-Wunused-variable] 81 | int mij = ( st + dr ) / 2, aux = dr; | ^~~ main.cpp:68:56: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | fout << l1 << ' ' << c1 << ' ' << l2 << ' ' << c2; | ^~ main.cpp:68:49: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | fout << l1 << ' ' << c1 << ' ' << l2 << ' ' << c2; | ^~~ main.cpp:68:36: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | fout << l1 << ' ' << c1 << ' ' << l2 << ' ' << c2; | ^~~ main.cpp:68:23: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized] 68 | fout << l1 << ' ' << c1 << ' ' << l2 << ' ' << c2; | ^~~