how can i start thinking about problem like this http://codeforces.me/problemset/problem/478/D?
can anyone explain the solution ?
D problem
how can i start thinking about problem like this http://codeforces.me/problemset/problem/478/D?
can anyone explain the solution ?
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mernazakaria | 2018-09-15 15:26:51 | 142 | Initial revision (published) |
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