Compilare: main.cpp: In function 'int get_int()': main.cpp:21:37: 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, BUFF_SIZE, stdin); ^ main.cpp:31:39: 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, BUFF_SIZE, stdin); ^ main.cpp:41:37: 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, BUFF_SIZE, stdin); ^ main.cpp: In function 'int find_max_stdr(int, bool)': main.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int find_max_drst(int, bool)': main.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:122:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sec.in", "r", stdin); ^ main.cpp:123:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sec.out", "w", stdout); ^