Compilare: user.cpp: In function ‘void citire()’: user.cpp:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, 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:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void afisare()’: user.cpp:92: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:111: warning: comparison between signed and unsigned integer expressions user.cpp:117: warning: comparison between signed and unsigned integer expressions user.cpp:147: warning: comparison between signed and unsigned integer expressions user.cpp:158: warning: comparison between signed and unsigned integer expressions user.cpp:224: warning: comparison between signed and unsigned integer expressions user.cpp:235: warning: comparison between signed and unsigned integer expressions user.cpp:267: warning: statement has no effect user.cpp: In function ‘int cauta(int, int, int)’: user.cpp:88: warning: control reaches end of non-void function