Compilare: main.cpp: In function 'std::pair<short int, int> maxx()': main.cpp:20:34: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] return make_pair(maxim, index); ^ main.cpp: In function 'int main()': main.cpp:13:20: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] int maxim = 0, index; ^~~~~