Compilare: user.cpp: In function ‘void citire()’: user.cpp:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:9: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void suma()’: user.cpp:13: warning: ‘inceput’ may be used uninitialized in this function user.cpp:13: warning: ‘sfarsit’ may be used uninitialized in this function user.cpp:13: warning: ‘beg’ may be used uninitialized in this function