Compilare: user.cpp: In function ‘int main()’: user.cpp:12:25: warning: format ‘%f’ expects argument of type ‘double’, but argument 2 has type ‘int’ [-Wformat=] printf("%.7f", 0); ^ user.cpp:9:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int X, M; scanf("%d%d", &X, &M); ^