Compilare: main.cpp: In function 'int cifrede0(int)': main.cpp:8:14: warning: 'exp2' may be used uninitialized in this function [-Wmaybe-uninitialized] int po=1,exp2,exp5; ^~~~ main.cpp:8:19: warning: 'exp5' may be used uninitialized in this function [-Wmaybe-uninitialized] int po=1,exp2,exp5; ^~~~