Compilare: user.cpp: In function ‘unsigned int p3(int)’: user.cpp:14: warning: array subscript has type ‘char’ user.cpp:10: warning: unused variable ‘i’ user.cpp: In function ‘long long int p5(int)’: user.cpp:26: warning: array subscript has type ‘char’ user.cpp:21: warning: unused variable ‘i’ user.cpp: In function ‘void baga(int)’: user.cpp:37: warning: array subscript has type ‘char’ user.cpp:43: warning: array subscript has type ‘char’ user.cpp: In function ‘void bagb(long long int)’: user.cpp:54: warning: array subscript has type ‘char’ user.cpp:60: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:68: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result