Compilare: user.cpp: In function ‘void citire()’: user.cpp:9: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void afisare()’: user.cpp:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int rezolvare()’: user.cpp:17: warning: ‘elem’ may be used uninitialized in this function user.cpp: In function ‘void afisare()’: user.cpp:17: warning: ‘elem’ may be used uninitialized in this function user.cpp:17: note: ‘elem’ was declared here