Compilare: main.cpp: In function 'int solve(int, int)': main.cpp:52:35: warning: 'cntr' may be used uninitialized in this function [-Wmaybe-uninitialized] 52 | ans=(ans+1LL*x.second*cntr%mod)%mod; | ^~~~ main.cpp:57:35: warning: 'cntl' may be used uninitialized in this function [-Wmaybe-uninitialized] 57 | ans=(ans+1LL*x.second*cntl%mod)%mod; | ^~~~