Problem3547--【语言基础】GESP25Dec一级P1-小杨的爱心快递

3547: 【语言基础】GESP25Dec一级P1-小杨的爱心快递

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 2Submit Num: 4Statistics

Description



Sample Input Copy 

100.4
300.2
60.6
70.5

Sample Output Copy 

50.2

HINT


Source/Category

GESP 浮点数 
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