Problem3501--【语言基础】CF1050A-Sublime Sequence

3501: 【语言基础】CF1050A-Sublime Sequence

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 0Submit Num: 0Statistics

Description

Sample Input Copy 

4
1 4
2 5
3 6
4 7

Sample Output Copy 

0
2
0
4

Source/Category

语言基础 循环 条件 
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