Compilare: main.cpp: In function 'void Next()': main.cpp:37:32: 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,Lim,stdin); ^ main.cpp: In function 'int main()': main.cpp:55:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rest.in", "r",stdin); ^ main.cpp:56:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rest.out", "w",stdout); ^