Compilare: user.cpp: In function ‘int main()’: user.cpp:41:71: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘std::map<long long int, long long int>::mapped_type {aka long long int}’ [-Wformat=] fprintf (fout, "%d\n", mp[1LL * (x - 1) * INF + y - 1] + moves - 2); ^ user.cpp:24:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &n); ^ user.cpp:26:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d%d", &x, &y, &a, &b); ^