I couldn't solve this problem from Codechef Long Challenge https://www.codechef.com/OCT20A/problems/DDIMMST . Can someone help me in this problem. I tried reading the editorial https://discuss.codechef.com/t/ddimmst-editorial/79385 but no help . What i don't understand is how are we able to reduce the number of edges from n^2 to 2^d*n . ↵
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This seems to be general class of problems , there is another problem that uses the same idea https://codeforces.me/contest/1093/problem/G , ~pikmike,2020-10-13 i know this contest was long back , can you pls explain the idea behind the solution to these kind of problems.
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This seems to be general class of problems , there is another problem that uses the same idea https://codeforces.me/contest/1093/problem/G , ~pikmike,2020-10-13 i know this contest was long back , can you pls explain the idea behind the solution to these kind of problems.
