Compilare: main.cpp: In function 'void solve()': main.cpp:12:18: warning: variable 'res_len' set but not used [-Wunused-but-set-variable] 12 | int len = 0, res_len = 0, dr; | ^~~~~~~ main.cpp:32:43: warning: 'dr' may be used uninitialized [-Wmaybe-uninitialized] 32 | fout << res << " " << dr - len + 2 << " " << dr; | ^~~ main.cpp:12:31: note: 'dr' was declared here 12 | int len = 0, res_len = 0, dr; | ^~