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Archive for LeetCode Solution + Codeforces Solution + Upsolving
https://codeforces.com/contest/2086/problems I solved A, C in Contest, and Upsolved B, D with editorial.I spent too much time on B, stupidly. A - Cloudberry Jam (math, greedy) It could be solved instantly with intuition, but I didn't.Because I was n...
https://codeforces.com/contest/2092 I solved only one problem(A)…, and upsolved 3 problems(B, C, D). Even though I got the great intuition for B, C, I couldn’t solve it. A - Kamilka and the Sheep (greedy, math, number theory, sorting) I solved in 15 ...
https://codeforces.com/contest/2091 I solved 4 problems(A, B, C, D), and upsolved 1 problems(E). A - Olympiad Date (greedy, implementation) I was spend 10 minutes! because of a simple mistake. Setting up frequencies wrong make me struggle.. even if i...
Problem https://leetcode.com/problems/check-if-grid-can-be-cut-into-sections/description/ Leetcode - Check if Grid can be Cut into Sections Type - Sorting, Line sweeping, Greedy Difficulty - Medium Approach & Solution The goal is to determine whether...
Problem https://leetcode.com/problems/count-days-without-meetings/description Leetcode - Count Days Without Meetings Type - Heap, Sorting, Greedy Difficulty - Medium Approach & Solution Processing sorted meetings makes the problem easier. We will use...
https://codeforces.com/contest/2085 I solved 2 problems(A, B), and upsolved 2 problems(C, D). A - Serval and String Theory (greedy, implementation) I struggled with solving A. it took 20 minutes, which is long-time for general A problems. Approach Tr...