L3-1

 150 MS 64 MB |  Markdown 30 Point(s) 获取标签
01826
通过人数尝试人数总提交数

 

题目描述

输入格式

输出格式

样例输入 #1

10 12 PAT DBY
DBY 100
PTA 20
PDS 90
PMS 40
TAP 50
ATP 200
LNN 80
LAO 30
LON 70
PAT PTA 10
PAT PMS 10
PAT ATP 20
PAT LNN 10
LNN LAO 10
LAO LON 10
LON DBY 10
PMS TAP 10
TAP DBY 10
DBY PDS 10
PDS PTA 10
DBY ATP 10

样例输出 #1

PAT->PTA->PDS->DBY
3 30 210

 

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