Borderou de evaluare (job #222848)

Compilare: user.cpp: In function ‘int main()’: user.cpp:57:47: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.cpp:8:15: warning: unused variable ‘j’ [-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]