Compilare: main.cpp: In function 'int main()': main.cpp:61:8: warning: unused variable 'z' [-Wunused-variable] char z = v[lcar+1]; ^ main.cpp:29:18: warning: unused variable 'a' [-Wunused-variable] long long c, a, n, max = 0, lcar, i, nr, copie, lungime = 0; ^ main.cpp:29:46: warning: unused variable 'copie' [-Wunused-variable] long long c, a, n, max = 0, lcar, i, nr, copie, lungime = 0; ^~~~~ main.cpp:45:13: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] char c, a; ^