Eroare de compilare: user.cpp: In function ‘void A(int, int)’: user.cpp:10:29: error: invalid operands of types ‘double’ and ‘double’ to binary ‘operator^’ d[i]^=d[j]^=d[i]^=d[j],o[i]^=o[j]^=o[i]^=o[j],q[i]^=q[j]^=q[i]^=q[j],i++,j--; ^ user.cpp:10:29: error: in evaluation of ‘operator^=(double, double)’ user.cpp: In function ‘int main()’: user.cpp:33:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:33:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:33:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a[i],&b[i]),p[i]=i; ^ user.cpp:41:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x[i],&y[i],&z[i]),w[i]=i; ^