Compilare: main.cpp: In function 'int main()': main.cpp:385:14: warning: unused variable 'q' [-Wunused-variable] char q; ^ main.cpp:311:17: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] if (k==false) ^~ main.cpp:336:21: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] nr++; ^ main.cpp:335:20: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] n=n*10+((int)a[i]-48); ~^~~ main.cpp:330:50: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized] suma(n, sir_t, s, st, nr); ^