Compilare: main.cpp: In function 'int main()': main.cpp:10:27: warning: format '%lf' expects argument of type 'double*', but argument 2 has type 'long double*' [-Wformat=] scanf("%lf%lf", &x, &m); ^ main.cpp:10:27: warning: format '%lf' expects argument of type 'double*', but argument 3 has type 'long double*' [-Wformat=] main.cpp:15:25: warning: format '%f' expects argument of type 'double', but argument 2 has type 'long double' [-Wformat=] printf("%.7f", r); ^ main.cpp:7:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("noroc.in", "r", stdin); ^ main.cpp:8:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("noroc.out", "w", stdout); ^ main.cpp:10:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf", &x, &m); ^