Compilare: main.cpp: In function 'void euro2(const ushort*, size_t, const bool (*)(ushort, ushort))': main.cpp:34:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 34 | if (pos + (1 << pow) < size && is_gt(vec[id], vec[vals[pos + (1 << pow)]]) ) { | ~~~~~~~~~~~~~~~~~^~~~~~ main.cpp: In function 'int main()': main.cpp:85:33: warning: 'max_id' may be used uninitialized [-Wmaybe-uninitialized] 85 | euro2(reports + max_id, N - max_id, lt); | ^~~~~~ main.cpp:70:24: note: 'max_id' was declared here 70 | ushort N, max = 0, max_id, reports[10000]; | ^~~~~~