Submission #1097729

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1097729	2024-10-08 04:37:35	vjudge1	Examination (JOI19_examination)	C++17	100 / 100	352 ms	77900 KiB

examination

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#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 1e5 + 7;
vector<int> tree[mxN * 4], x[mxN * 4], y[mxN * 4];
ii a[mxN], b[mxN], sum[mxN];
int n, q;
void Build(int j = 1, int l = 1, int r = n)
{
    if (l == r)
    {
        tree[j].push_back(a[l].se);
        x[j].push_back(b[sum[l].se].fi);
        y[j].push_back(b[sum[l].se].se);
        return;
    }
    int mid = (l + r) / 2;
    Build(j * 2, l, mid);
    Build(j * 2 + 1, mid + 1, r);
    merge(tree[j * 2].begin(), tree[j * 2].end(), tree[j * 2 + 1].begin(), tree[j * 2 + 1].end(), back_inserter(tree[j]));
    merge(x[j * 2].begin(), x[j * 2].end(), x[j * 2 + 1].begin(), x[j * 2 + 1].end(), back_inserter(x[j]));
    merge(y[j * 2].begin(), y[j * 2].end(), y[j * 2 + 1].begin(), y[j * 2 + 1].end(), back_inserter(y[j]));
}
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57