Borderou de evaluare (job #15166)

Compilare: user.cpp: In function 'void precalc()': user.cpp:30:9: warning: unused variable 'j' [-Wunused-variable] user.cpp: In function 'int main()': user.cpp:43:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:44:38: 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 read(int&)': user.cpp:19:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:42: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]