Compilare: user.cpp: In function ‘int main()’: user.cpp:27:65: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf( output_file, "%d\n", (P[N] - P[N - 1] + MOD) % MOD ); ^ user.cpp:13:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%d", &N ); ^