Compilare: main.cpp: In function 'int main()': main.cpp:27:38: warning: unused variable 'potential' [-Wunused-variable] 27 | int c, i, j, maxx = 0, col, lin, potential = 0; | ^~~~~~~~~ main.cpp:28:10: warning: 'ch' may be used uninitialized in this function [-Wmaybe-uninitialized] 28 | char ch; | ^~ main.cpp:128:24: warning: 'lin' may be used uninitialized in this function [-Wmaybe-uninitialized] 128 | cout << lin << " " << col << '\n' | ^~~ main.cpp:129:17: warning: 'col' may be used uninitialized in this function [-Wmaybe-uninitialized] 129 | << ch; | ^~