Compilare: user.cpp: In function ‘int main()’: user.cpp:23:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &punct, &n ) ; ^ user.cpp:27:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &v[i] ) ; ^ user.cpp:49:29: warning: ‘l0’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (v[n-1] < v[0] && l0 + l > lmax ) ^