Compilare: user.cpp: In function ‘int main()’: user.cpp:17:34: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[5008]’ [-Wformat=] scanf("%s\n", &cuvinte[i]); ^ user.cpp:47:55: warning: operation on ‘num’ may be undefined [-Wsequence-point] st[++num] = d[st[num-1]][s[j]-'a']; ^ user.cpp:19:10: warning: unused variable ‘ch’ [-Wunused-variable] char ch; ^ user.cpp:20:18: warning: unused variable ‘poz’ [-Wunused-variable] int num = 0, poz; ^ user.cpp:12:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.in", "r", stdin); ^ user.cpp:13:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("search.out", "w", stdout); ^ user.cpp:15:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n", &n, &m); ^ user.cpp:17:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n", &cuvinte[i]); ^ user.cpp:22:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c\n", &s[d]); ^