update

poj/1729.jack-and-jill/main.cc

@@ -35,8 +35,6 @@ struct Pos {
   }
 } close[N][N][N][N];
 
-expand()
-
 int main() {
   int n;
   for (;;) {
@@ -70,7 +68,6 @@ int main() {
     memset(used, 0, sizeof(used));
     priority_queue<Pos> pq;
     pq.push(src);
-    used[][][][] = true;
     while (!pq.empty()) {
       
     }