Compilare: user.cpp: In function ‘int main()’: user.cpp:18:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(IN,"%d",&N); ^ user.cpp:28:39: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long long int’ [-Wformat=] fprintf(OUT,"%lld %d\n",N*N/2-1,DP[N]); ^ user.cpp:18:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^