Borderou de evaluare (job #9578)

Compilare: user.cpp: In function ‘int main()’: user.cpp:4:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:5:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:63:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:109:82: warning: ‘r2valentin’ may be used uninitialized in this function [-Wuninitialized] user.cpp:109:82: warning: ‘r1valentin’ may be used uninitialized in this function [-Wuninitialized] user.cpp:109:82: warning: ‘r2valentina’ may be used uninitialized in this function [-Wuninitialized] user.cpp:109:82: warning: ‘r1valentina’ may be used uninitialized in this function [-Wuninitialized]