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不解,难道是数据太弱，还是．．．？

Posted by mayp at 2007-04-13 20:47:00 on Problem 1273
In Reply To:自问自答了 Posted by:fishyuze at 2007-03-27 22:41:13 
if(f[path[i]][i] > 0)
 {
 		cf[i][path[i]] = f[path[i]][i];
 		cf[path[i]][i] = cap[path[i]][i] - f[path[i]][i];
 }
不明白这么写为什么也能ＡＣ？按最大流的思想，应该：
cf[i][path[i]] = cap[i][path[i]]+f[path[i]][i];
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