Borderou de evaluare (job #203786)

Compilare: user.cpp: In function ‘int main()’: 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:9:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:52: warning: ‘c’ may be used uninitialized in this function [-Wuninitialized] user.cpp:37:32: warning: ‘pc’ may be used uninitialized in this function [-Wuninitialized] user.cpp:37:41: warning: ‘nr1’ may be used uninitialized in this function [-Wuninitialized]