Compilare: user.cpp: In function ‘int main()’: user.cpp:64:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(q=0;q<=castelx.size()-1;q++){ ~^~~~~~~~~~~~~~~~~~ user.cpp:33:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &p); ^ user.cpp:34:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &n); ^ user.cpp:45:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &x); ^