Compilare: main.cpp: In function 'int kth_element(int, int, int)': main.cpp:10:13: warning: variable 'pivot' set but not used [-Wunused-but-set-variable] 10 | int i,j,pivot,poz; | ^~~~~ main.cpp:31:27: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 31 | return kth_element(st,poz-1,k); | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:10:19: note: 'poz' was declared here 10 | int i,j,pivot,poz; | ^~~