@@ -393,10 +393,13 @@
 			else if(this[p]=='W') {
 				if(hige_day) {
 					for(int dy=-1; dy<=+1; ++dy)
 					for(int dx=-1; dx<=+1; ++dx)
-						if(this[p.y+dy,p.x+dx] == ' ')
+						if(this[p.y+dy,p.x+dx] == ' ') {
 							write(p.y+dy,p.x+dx,'W');
+							if(robot.y==p.y+dy-1 && robot.x==p.x+dx)
+								dead = false; // guarded by hige!
+						}
 				}
 			}
 		}