제출 #629574

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
629574	2022-08-14 16:13:51	somethingnew	송신탑 (IOI22_towers)	C++17	0 / 100	4040 ms	3232 KiB

towers

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#include "towers.h"
#include <cassert>
#include <cstdio>
#include <vector>
using namespace std;
vector<int> h;
struct segtree{
    int sz;
    vector<int> tree;
    void init(int n, vector<int> a) {
        sz = 1;
        while (sz < n)
            sz *= 2;
        tree.assign(sz * 2, 0);
        for (int i = 0; i < n; ++i) {
            tree[i + sz] = a[i];
        }
        for (int i = sz - 1; i > 0; --i) {
            tree[i] = tree[i * 2] + tree[i * 2 + 1];
        }
    }
    int get(int l, int r) {
        int res = 0;
        while (l <= r) {
            if (l & 1) {
                res += tree[l];
                l++;
            }
 
 
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