View Compilation Error

0_0_30295835_30336.cpp:2:17: error: 'cnt' does not name a type
                 cnt=abs(x1-x2)*abs(y1-y2);
                 ^
0_0_30295835_30336.cpp:3:17: error: 'ans' does not name a type
                 ans=max(ans,cnt);
                 ^
0_0_30295835_30336.cpp:4:17: error: 'cnt' does not name a type
                 cnt=abs(X[a]-X[b])*abs(Y[a]-Y[b]);
                 ^
0_0_30295835_30336.cpp:5:17: error: 'ans' does not name a type
                 ans=max(ans,cnt);
                 ^
0_0_30295835_30336.cpp:6:17: error: expected unqualified-id before 'continue'
                 continue;
                 ^
0_0_30295835_30336.cpp:7:13: error: expected declaration before '}' token
             }
             ^