Compilare: main.c:5:5: warning: conflicting types for built-in function 'exp'; expected 'double(double)' [-Wbuiltin-declaration-mismatch] 5 | int exp(long long a, int b){ | ^~~ main.c:3:1: note: 'exp' is declared in header '<math.h>' 2 | #include <stdlib.h> +++ |+#include <math.h> 3 | #define MOD 1000000009 main.c: In function 'exp': main.c:6:15: warning: unused variable 'p' [-Wunused-variable] 6 | long long s,p; | ^ main.c: In function 'main': main.c:29:16: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long long int *' [-Wformat=] 29 | fscanf(fin,"%d",&n); | ~^ ~~ | | | | | long long int * | int * | %lld main.c:44:18: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] 44 | fprintf(fout,"%d\n",s); | ~^ ~ | | | | int long long int | %lld main.c:25:7: warning: unused variable 'i' [-Wunused-variable] 25 | int i,x,y; | ^