Compilare: user.c: In function ‘main’: user.c:20:11: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] x = i + x ^ p; ^ user.c:13:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &p); ^ user.c:18:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &x); ^