cf/mirror

LCM Sum (easy version)

CF
1712E12300· international master3.5s512 MB⌨ stdin/stdout
#binary search#brute force#combinatorics#math#number theory#two pointers

Examples

Sample 1of 1multi-test • hover to link
Input
5
1 4
3 5
8 86
68 86
6 86868
Output
3
1
78975
969
109229059713337
1712E1.cpp
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Ln 11·137 BGNU C++20 (64)