Compilare: user.cpp: In function ‘void Read(int)’: user.cpp:36:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", str); ^ user.cpp: In function ‘int main()’: user.cpp:112:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^ user.cpp: In function ‘int Solve(int, int, int)’: user.cpp:97:38: warning: ‘anc’ may be used uninitialized in this function [-Wmaybe-uninitialized] cnt = Solve(i, j - 1, anc + 1); ^