제출 #437778

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
437778		yiqilim5438	던전 (IOI21_dungeons)	C++17	13 / 100	3530 ms	4940 KiB

dungeons

#include<bits/stdc++.h>
#include"dungeons.h"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
int n;
int INF = 1e7+10;
vector<int>s,p,w,l;
vector<ll>wins(5e4+5,0ll);
vector<pll>ls(5e4+5);
void init(int N,vector<int>S,vector<int>P,vector<int>W,vector<int>L){
       n = N,s = S,p = P,w = W,l = L;
       for(int i = n-1;i>=0;i--){
           wins[i] = s[i]+wins[w[i]];
       }
       for(int i = 0;i<n;i++){
            int x = i;
           for(int j = 1;j<=1000;j++){
                ls[i].first += p[x];
                x = l[x];
                ls[i].second = x;
                if(x==n){ls[i].first = INF;break;}
           }
       }
};

ll simulate(int x,int z){
     if(z>=s[x]){
        return z+wins[x];
     }
     else{
        if(z+ls[x].first>=s[x]){
            while(true){
                if(x==n) return z;
                else if(z>=s[x]) return z+wins[x];
                z += p[x];
                x = l[x];
            }
        }
        else{
            z += ls[x].first;
            x = ls[x].second;
            return simulate(x,z);
        }
     }
}

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