Compilare: user.cpp: In function ‘int main()’: user.cpp:21:12: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] X=i+in[i/8192]^in[i%8192]; ^ user.cpp:16:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^ user.cpp:18:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&in[i]); ^