Compilare: user.cpp: In function ‘int main()’: user.cpp:13:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout,"%d " ,i); ^ user.cpp:14:40: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout,"%d " ,n-(x*(x-1))/2+k); ^ user.cpp:17:33: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout,"%d " ,i); ^ user.cpp:8:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld%lld" ,&n,&k); ^