Submission #266416

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
266416	2020-08-15 08:51:19	dolphingarlic	Two Antennas (JOI19_antennas)	C++14	22 / 100	404 ms	33448 KiB

antennas

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int oo = 1e9;
int n, a[200001], b[200001], h[200001], ans[200001];
vector<int> ins[400001], rem[400001];
int segtree[800001];
void build(int node = 1, int l = 1, int r = n) {
    segtree[node] = -oo;
    if (l != r) {
        int mid = (l + r) / 2;
        build(node * 2, l, mid); build(node * 2 + 1, mid + 1, r);
    }
}
void update(int pos, int val, int node = 1, int l = 1, int r = n) {
    if (l == r) segtree[node] = val;
    else {
        int mid = (l + r) / 2;
        if (pos > mid) update(pos, val, node * 2 + 1, mid + 1, r);
        else update(pos, val, node * 2, l, mid);
        segtree[node] = max(segtree[node * 2], segtree[node * 2 + 1]);
    }
}
int query(int x, int y, int node = 1, int l = 1, int r = n) {
    if (l > y || r < x) return -oo;
 
 
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• Subtask 1: 0 / 2
• Subtask 2: 0 / 11
• Subtask 3: 22 / 22
• Subtask 4: 0 / 65