Compilare: user.cpp: In function ‘void deschidere()’: user.cpp:10: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:11: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘void citire()’: user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void rezolvare()’: user.cpp:91: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘unsigned int’ user.cpp:94: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘unsigned int’ user.cpp: In function ‘int cautare_rezultat(long long int, long long int)’: user.cpp:86: warning: control reaches end of non-void function