Compilare: main.cpp: In function 'int main()': main.cpp:111:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("craciun.in", "r", stdin); ^ main.cpp: In function 'char nextch()': main.cpp:93:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, BMAX, stdin); ^