题意:看样子很多人都把这题目看错了,以为是求最短路的条数.真正的意思是:假设 A和B 是相连的,当前在 A 处, 如果 A 到终点的最短距离大于 B 到终点的最短距离,则可以从 A 通往 B 处,问满足这种的条件的从办公室到家的路径条数. 分析:1.以终点 2 为起点 Dijkstra跑一边最短路,找到所有点到2的最短距离: 2.直接DFS记忆化搜索. 注意:记忆化搜索时的return值,否则此很容易TLE 解法1:O(n^2) #include<iostream> #inclu…
A Walk Through the Forest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4383 Accepted Submission(s): 1573 Problem Description Jimmy experiences a lot of stress at work these days, especiall…
A Walk Through the Forest 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1142 Description Jimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To relax after a hard day, he likes to walk home. T…
A Walk Through the Forest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10172 Accepted Submission(s): 3701 Problem Description Jimmy experiences a lot of stress at work these days, especial…
A Walk Through the Forest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5306 Accepted Submission(s): 1939 Problem Description Jimmy experiences a lot of stress at work these days, especiall…
题目链接:acm.hdu.edu.cn/showproblem.php?pid=1142 Problem Description Jimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To relax after a hard day, he likes to walk home. To make things even nicer,…
A Walk Through the Forest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8850 Accepted Submission(s): 3267 Problem Description Jimmy experiences a lot of stress at work these days, especiall…
