View Compilation Error

0_0_31207444_7056.cpp:10:1: error: stray '\243' in program
 int ex,ey,bx,by；
 ^
0_0_31207444_7056.cpp:10:1: error: stray '\273' in program
0_0_31207444_7056.cpp:11:1: error: expected initializer before 'int'
 int prime[15000];
 ^
0_0_31207444_7056.cpp: In function 'int bfs()':
0_0_31207444_7056.cpp:35:17: error: 'by' was not declared in this scope
  q.push(node(bx,by,0));
                 ^
0_0_31207444_7056.cpp:46:47: error: 'prime' was not declared in this scope
    if(xx<0||xx>=N||yy<0||yy>=N||vis[xx][yy]||!prime[map[xx][yy]])continue;
                                               ^
0_0_31207444_7056.cpp: In function 'int main()':
0_0_31207444_7056.cpp:60:9: error: 'prime' was not declared in this scope
  memset(prime,0,sizeof(prime));
         ^
0_0_31207444_7056.cpp:86:11: error: 'by' was not declared in this scope
      bx=i;by=j;
           ^
0_0_31207444_7056.cpp:94:14: error: 'by' was not declared in this scope
   if(bx==ex&&by==ey)
              ^