Compilare: user.cpp: In function ‘int main()’: user.cpp:29:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[105]’ [-Wformat=] scanf("%s\n",&s); ^ user.cpp:13:10: warning: unused variable ‘ch’ [-Wunused-variable] char ch; ^ user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifra.in","r",stdin); ^ user.cpp:9:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cifra.out","w",stdout); ^ user.cpp:25:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&q); ^ user.cpp:29:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",&s); ^