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Sad powers

CF
955C2100· master2s256 MB⌨ stdin/stdout
#binary search#math#number theory

Examples

Sample 1of 1
Input
6
1 4
9 9
5 7
12 29
137 591
1 1000000
Output
2
1
0
3
17
1111
955C.cpp
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Ln 11·137 BGNU C++20 (64)