Compilare: main.c:5:11: warning: conflicting types for built-in function 'exp'; expected 'double(double)' [-Wbuiltin-declaration-mismatch] 5 | long long exp(long long x, long long n) | ^~~ main.c:4:1: note: 'exp' is declared in header '<math.h>' 3 | #include <stdlib.h> +++ |+#include <math.h> 4 | #define mod 1999999973