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提醒下大家，有可能出现从没有走过的情况，也就是说如果是根据返回一个值来判断结果的话，你那个值可能从来没有赋值过

Posted by cathy_0612 at 2008-07-16 22:19:53 on Problem 2632

if(i == m)
			printf("OK\n");
		else if(crash == 0)
			printf("Robot %d crashes into the wall\n", nowr);
		else
			printf("Robot %d crashes into robot %d\n", nowr, crash);

如第一个if后我本来写的是crash == -1，这样就错了，

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