Compilare: user.cpp: In function ‘int main()’: user.cpp:12:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&n); ^ user.cpp:13:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%s",s+1); ^ user.cpp:53:13: warning: ‘ps’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (ps!=i+1) ^~