Compilare: main.cpp: In function 'int main()': main.cpp:70:24: warning: format '%f' expects argument of type 'double', but argument 2 has type 'long double' [-Wformat=] printf("%.10f", ans); ^ main.cpp:44:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("retea2.out", "w", stdout); ^ main.cpp: In function 'void Read(int&)': main.cpp:27:42: 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, IN), pos = 0; ^ main.cpp:32:42: 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, IN), pos = 0; ^