Compilare: main.cpp: In function 'void case1()': main.cpp:68:20: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(a[l1][c1] != 0) ~~~~~~~~^ main.cpp:68:20: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:61:27: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << l1 << " " << c1 << "\n"; ^~~ main.cpp:61:40: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized] cout << l1 << " " << c1 << "\n"; ^~~~