Borderou de evaluare (job #281064)

Compilare: user.cpp: In function ‘int main()’: user.cpp:5:24: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:6:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:17: warning: ‘s’ may be used uninitialized in this function [-Wuninitialized] user.cpp:29:31: warning: ‘j’ may be used uninitialized in this function [-Wuninitialized]