Borderou de evaluare (job #16853)

Compilare: user.cpp: In function 'void solve()': user.cpp:57:9: warning: unused variable 'nr' [-Wunused-variable] user.cpp: In function 'int main()': user.cpp:72:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:73:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function 'void cit()': user.cpp:18:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]