Compilare: user.cpp: In function ‘int cycles(int)’: user.cpp:21:25: warning: unused variable ‘x’ [-Wunused-variable] int c = 0, pos = i, x; ^ user.cpp: In function ‘int main()’: user.cpp:36:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.cpp:38:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%hi", &p[i]); ^