View Compilation Error

0_0_29484728_24627.cpp:1:6: error: expected constructor, destructor, or type conversion before ';' token
  if(p[i+x-1][j+y-1]+p[i-1][j-1]-p[i+x-1][j-1]-p[i-1][j+y-1]==x*y) 
      ^
0_0_29484728_24627.cpp:1:7: error: expected unqualified-id before 'if'
  if(p[i+x-1][j+y-1]+p[i-1][j-1]-p[i+x-1][j-1]-p[i-1][j+y-1]==x*y) 
       ^
0_0_29484728_24627.cpp:2:13: error: expected constructor, destructor, or type conversion before ';' token
    ans++ ; 
             ^
0_0_29484728_24627.cpp:2:14: error: 'ans' does not name a type
    ans++ ; 
              ^