Compilare: user.cpp: In function ‘int main()’: user.cpp:20: warning: unused variable ‘suma’ user.cpp:21: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void CHARTOHUGE(int*, char*)’: user.cpp:86: warning: unused variable ‘i’ user.cpp: In function ‘int COMPHUGE(int*, int*)’: user.cpp:139: warning: control reaches end of non-void function