Compilare: user.cpp: In function ‘int main()’: user.cpp:198:15: warning: unused variable ‘LIMIT_60p’ [-Wunused-variable] long long LIMIT_60p = 1000000LL; ^ user.cpp: In function ‘char getChar()’: user.cpp:15:45: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, BUFFER_SIZE, 1, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:186:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.in", "r", stdin); ^ user.cpp:187:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.out", "w", stdout); ^