We prepare a data structure DS supporting point update and range addition query. Initially, it should be filled with 0. Solve the queries offline in increasing value of X. When we process the query [L, R] with X, we'll require DS to satisfy the following invariant: for each position 1...
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参考:https://www.geeksforgeeks.org/print-all-root-to-leaf-paths-of-an-n-ary-tree/ //Java program for the above approachimportjava.util.ArrayList;classGFG {//Structure of an N ary tree nodestaticclassNode {intdata; ArrayList<Node>child;//Parameterized ConstructorpublicNode(intx) {this.data...
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