View Compilation Error

0_0_14258136_26122.cpp:8:33: error: expected initializer before numeric constant
 int x[maxn],y[maxn],xx,yy,a[209]209],s;
                                 ^
0_0_14258136_26122.cpp: In function 'int main()':
0_0_14258136_26122.cpp:37:10: error: 'a' was not declared in this scope
   memset(a,0,sizeof(a));
          ^
0_0_14258136_26122.cpp:41:32: error: 's' was not declared in this scope
    scanf("%d%d%d",&x[i],&y[i],&s);
                                ^