Submission #1172264

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172264	2025-03-23 06:27:25	jill	Cake 3 (JOI19_cake3)	C++20	0 / 100	129 ms	327680 KiB

cake3

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int nmax = 6e6 + 5;
struct WT {
    struct node {
        int l, r;
        vector<ll> x;
        vector<ll> s;
    } t[nmax];
    ll lo, hi;
    
    int build(vector<ll> seq, ll a, ll b) {  
        static int idx = 0;
        if(seq.empty()) return -1;
        int cur = idx++;
        if(a == b) return cur;
        int mid = (a + b) >> 1;
        t[cur].x.resize(seq.size());
        t[cur].s.resize(seq.size());
        vector<ll> left_seq, right_seq;
        for (size_t i = 0; i < seq.size(); i++) {
            if(seq[i] <= mid) {
                t[cur].x[i] = 0;
                t[cur].s[i] = 0;
                left_seq.push_back(seq[i]);
            } else {
                t[cur].x[i] = 1;
                t[cur].s[i] = seq[i];
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 19
• Subtask 3: 0 / 76