제출 #56545

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
56545	2018-07-11 15:19:23	andremfq	무지개나라 (APIO17_rainbow)	C++17	100 / 100	1862 ms	336480 KiB

rainbow

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#include <bits/stdc++.h>
#define sz(x) (int((x).size()))
struct RT {
    struct node {
        int sum, left, right;
        node() : sum(0), left(0), right(0) {}
        node(const node &n) : sum(n.sum), left(n.left), right(n.right) {}
        node(int s, int l, int r) : sum(s), left(l), right(r) {}
    };
    std::vector<node> nodes;
    int newNode(node n = node()) {
        nodes.push_back(n);
        return sz(nodes) - 1;
    }
    int init(int nl, int nr) {
        int n = newNode();
        int nm = (nl+nr)/2;
        if (nl+1 < nr) {
            int l = init(nl, nm);
            nodes[n].left = l;
            int r = init(nm, nr);
            nodes[n].right = r;
        }
        return n;
    }
 
 
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