Compilare: user.cpp: In function ‘int main()’: user.cpp:54:36: warning: ‘factk’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<(((long long)factk*lgput(factkr,MOD-2))%MOD ^ user.cpp:42:41: warning: ‘factk’ may be used uninitialized in this function [-Wmaybe-uninitialized] else out<<((long long)factk*lgput(factkn,MOD-2))%MOD<<'\n'; ^ user.cpp:32:23: warning: ‘factkn’ may be used uninitialized in this function [-Wmaybe-uninitialized] int factn,factkn,factk,last=1; ^ user.cpp:41:27: warning: ‘factn’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(n==k) out<<factn<<'\n'; ^