Compilare: main.cpp: In function 'int read()': main.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp:29:28: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(f, 1, MAX, stdin); ^ main.cpp: In function 'void Read(int&)': main.cpp:19:45: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(f, MAX, 1, stdin), pos = 0; ^ main.cpp:24:45: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(f, MAX, 1, stdin), pos = 0; ^ main.cpp: In function 'int main()': main.cpp:39:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deminare.in", "r", stdin); ^ main.cpp:40:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("deminare.out", "w", stdout); ^