Compilare: user.cpp: In function ‘int main()’: user.cpp:11:46: warning: unused variable ‘ok’ [-Wunused-variable] int minim, divmax=0, c=0, i, j, div, x, v, ok; ^ user.cpp:13:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%ld%ld", &a, &b); ^ user.cpp:20:30: warning: ‘v’ may be used uninitialized in this function [-Wmaybe-uninitialized] ++v; ^