Borderou de evaluare (job #420126)

Compilare: user.cpp: In function ‘int main()’: user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:13: warning: ‘n3’ may be used uninitialized in this function [-Wuninitialized] user.cpp:34:9: warning: ‘i2’ may be used uninitialized in this function [-Wuninitialized]