Compilare: user.cpp: In function ‘int main()’: user.cpp:28:38: warning: left operand of comma operator has no effect [-Wunused-value] gd = (best[i] > gd) ? (best[i], ind = i) : gd; ^ user.cpp:16:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &N); ^ user.cpp:18:33: 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:32:23: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] ind = pre[ind]; ^