Borderou de evaluare (job #297823)

Compilare: user.cpp: In function 'int main()': user.cpp:8:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:12: warning: 'n3' may be used uninitialized in this function [-Wuninitialized] user.cpp:43:12: warning: 'n2' may be used uninitialized in this function [-Wuninitialized] user.cpp:43:12: warning: 'n' may be used uninitialized in this function [-Wuninitialized] user.cpp:14:1: warning: 'nr3' may be used uninitialized in this function [-Wuninitialized]