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Educational Codeforces Round 54 (Rated for Div. 2) 1076D. Edge Deletion
時間 2020-08-04
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educational
codeforces
rated
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1076d
edge
deletion
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題目連接:http://codeforces.com/problemset/problem/1076/Dnode 題意:一個 n 個頂點 m 條邊的無向圖,定義頂點 v 到 頂點 1 的最短距離 di,如今最多留下 k 條邊,若是一個頂點,在新遺留的圖中到頂點 1 的最短距離仍是 di,則稱這個點爲好頂點,問在保證好頂點最多的狀況下,應該講哪些邊留下來。 輸出留下的邊數以及輸入時這些邊的編號。i
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相關文章
1.
Educational Codeforces Round 54 (Rated for Div. 2) D. Edge Deletion(Dijkstra理解題)
2.
Educational Codeforces Round 47 (Rated for Div. 2) 題解
3.
Educational Codeforces Round 91 (Rated for Div. 2)題解
4.
Educational Codeforces Round 61 (Rated for Div. 2) E. Knapsack
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Educational Codeforces Round 83 (Rated for Div. 2) D
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Educational Codeforces Round 102 (Rated for Div. 2)
7.
Educational Codeforces Round 86 [Rated for Div. 2] Solution
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Educational Codeforces Round 52 (Rated for Div. 2)
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Educational Codeforces Round 67 (Rated for Div. 2)
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Educational Codeforces Round 49 (Rated for Div. 2) ABCD
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