Compilare: user.cpp: In function ‘int main()’: user.cpp:99:28: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000005]’ [-Wformat=] scanf("%s\n%d", &Tx, &n); ^ user.cpp:101:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[10005]’ [-Wformat=] scanf("%s", &P); ^ user.cpp:94:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ahocorasick.in", "r", stdin); ^ user.cpp:95:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ahocorasick.out", "w", stdout); ^ user.cpp:99:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n%d", &Tx, &n); ^ user.cpp:101:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &P); ^