Compilare: main.cpp: In function 'int Parse()': main.cpp:30:52: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(B, BufferSize, 1, stdin), pos = 0; ^ main.cpp:39:52: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(B, BufferSize, 1, stdin), pos = 0; ^ main.cpp: In function 'int main()': main.cpp:46:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("car.in", "r", stdin); ^ main.cpp:47:35: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(B, BufferSize, 1, stdin); ^