Compilare: user.cpp: In function ‘void afisare()’: user.cpp:55:30: warning: unknown conversion type character ‘l’ in format [-Wformat=] fprintf(fout, "%Lld", sum); ^ user.cpp:55:30: warning: too many arguments for format [-Wformat-extra-args] user.cpp: In function ‘void citire()’: user.cpp:30:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &k); ^ user.cpp:33:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i]); ^