Compilare: main.cpp: In function 'Treap* cplusplusehomosexual(int)': main.cpp:34:12: warning: narrowing conversion of 'rnd.std::mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::operator()<long unsigned int, 32ul, 624ul, 397ul, 31ul, 2567483615ul, 11ul, 4294967295ul, 7ul, 2636928640ul, 15ul, 4022730752ul, 18ul, 1812433253ul>()' from 'std::mersenne_twister_engine<long unsigned int, 32ul, 624ul, 397ul, 31ul, 2567483615ul, 11ul, 4294967295ul, 7ul, 2636928640ul, 15ul, 4022730752ul, 18ul, 1812433253ul>::result_type {aka long unsigned int}' to 'long long int' inside { } [-Wnarrowing] rnd(), ~~~^~ main.cpp: In function 'Treap* build(Arbore, Arbore, Arbore)': main.cpp:58:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^