Compilare: main.cpp: In function 'int stirling1(int, int)': main.cpp:14:9: warning: unused variable 'i' [-Wunused-variable] 14 | int i,j; | ^ main.cpp:14:11: warning: unused variable 'j' [-Wunused-variable] 14 | int i,j; | ^ main.cpp: In function 'int stirling2(int, int)': main.cpp:24:9: warning: unused variable 'i' [-Wunused-variable] 24 | int i,j; | ^ main.cpp:24:11: warning: unused variable 'j' [-Wunused-variable] 24 | int i,j; | ^