Compilare: main.cpp: In function 'int main()': main.cpp:15:24: warning: unused variable 'k' [-Wunused-variable] long long int T, n, k = 0, s = 0, u, x, cif, segm=0, rez=1, prod, p, var; ^ main.cpp:15:38: warning: unused variable 'u' [-Wunused-variable] long long int T, n, k = 0, s = 0, u, x, cif, segm=0, rez=1, prod, p, var; ^ main.cpp:15:49: warning: unused variable 'segm' [-Wunused-variable] long long int T, n, k = 0, s = 0, u, x, cif, segm=0, rez=1, prod, p, var; ^~~~ main.cpp:57:8: warning: 'var' may be used uninitialized in this function [-Wmaybe-uninitialized] prod=prod*var; ~~~~^~~~~~~~~ main.cpp:56:16: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] rez=rez+prod*p; ~~~~^~ main.cpp:58:5: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] x=x/10; ~^~~~~