Submission #1174313

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174313		PagodePaiva	Dungeons Game (IOI21_dungeons)	C++20	0 / 100	2 ms	1860 KiB

dungeons

#include<bits/stdc++.h>
#include <vector>

using namespace std;

const long long N = 400010;
const long long LOGN = 50;

struct Binary_Lifting{
    long long pai[N][LOGN], val[N][LOGN];
    void build(long long n){
        for(long long bit = 1;bit < LOGN;bit++){
            for(long long i = 0;i <= n;i++){
                pai[i][bit] = pai[pai[i][bit-1]][bit-1];
                val[i][bit] = val[i][bit-1] + val[pai[i][bit-1]][bit-1];
            }
        }
    }
} bin[6];

set <long long> valores_s;

void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) {
    for(long long i = 0;i < n;i++){
        valores_s.insert(s[i]);
    }
    if(valores_s.size() > 5) exit(0);
    for(long long i = 0;i < n;i++){
        bin[0].pai[i][0] = l[i];
        bin[0].val[i][0] = p[i];
    }
    bin[0].pai[n][0] = n;
    bin[0].val[n][0] = 0;
    long long con = 1;
    for(auto x : valores_s){
        for(long long i = 0;i < n;i++){
            bin[con].pai[i][0] = (x >= s[i] ? w[i] : l[i]);
            bin[con].val[i][0] = (x >= s[i] ? s[i] : p[i]);
        }
        bin[con].pai[n][0] = n;
        bin[con].val[n][0] = 0;
        con++;
    }
    for(long long i = 0;i < con;i++){
        bin[i].build(n);
    }
    return;
}

long long simulate(int st, int z) {
    long long res = z;
    long long con = 0;
    for(auto x : valores_s){
        if(res < x){
            //cout << 'a' << ' ';
            long long dif = x-res;
            for(long long bit = LOGN-1;bit >= 0;bit--){
                long long p = bin[con].pai[st][bit], v = bin[con].val[st][bit];
                if(v >= dif) continue;
                st = p;
                dif -= v;
                res += v;
            }
            res += bin[con].val[st][0];
            st = bin[con].pai[st][0];
        }
        //cout << res << ' ' << st << '\n';
        con++;
    }
    res += bin[con].val[st][LOGN-1];
    return res;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 26
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 27
• Subtask 6: 0 / 11