Compilare: main.cpp: In function 'void solve()': main.cpp:88:23: warning: unused variable 's' [-Wunused-variable] 88 | int minn=INF, s; | ^ main.cpp:42:12: warning: 'nod2' may be used uninitialized in this function [-Wmaybe-uninitialized] 42 | while(x!=root){ | ~^~~~~~ main.cpp:89:19: note: 'nod2' was declared here 89 | int nod1, nod2; | ^~~~ main.cpp:42:12: warning: 'nod1' may be used uninitialized in this function [-Wmaybe-uninitialized] 42 | while(x!=root){ | ~^~~~~~ main.cpp:89:13: note: 'nod1' was declared here 89 | int nod1, nod2; | ^~~~