Compilare: user.cpp: In function ‘int main()’: user.cpp:66:17: warning: unused variable ‘inceput’ [-Wunused-variable] int inceput = a[i]; ^ user.cpp:58:13: warning: unused variable ‘inverse’ [-Wunused-variable] int inverse=0; ^ user.cpp:33:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d",&n); ^ user.cpp:37:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp:43:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x ); ^