Submission #896246

#	Time	Username	Problem	Language	Result	Execution time	Memory
896246		Sir_Ahmed_Imran	Dungeons Game (IOI21_dungeons)	C++17	50 / 100	7026 ms	379136 KiB

dungeons

                              ///~~~LOTA~~~///
#include "dungeons.h"
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long 
#define append push_back
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define N 400001
ll n;
ll l[N][19];
ll w[N][19];
ll sl[N][19];
ll sw[N][19];
ll rw[N][19];
ll rl[N][19];
void init(int m,vector<int> s,vector<int> p,vector<int> W,vector<int> L){
    n=m;
    w[n][0]=n;
    rw[n][0]=1e17;
    for(int i=0;i<n;i++){
        l[i][0]=L[i];
        w[i][0]=W[i];
        sl[i][0]=p[i];
        sw[i][0]=s[i];
        rl[i][0]=s[i]+p[i];
        rw[i][0]=s[i]+s[i];
    }
    for(int j=0;j<18;j++){
        for(int i=0;i<=n;i++){
            l[i][j+1]=l[l[i][j]][j];
            w[i][j+1]=w[w[i][j]][j];
            sl[i][j+1]=sl[i][j]+sl[l[i][j]][j];
            sw[i][j+1]=sw[i][j]+sw[w[i][j]][j];
            rl[i][j+1]=min(rl[l[i][j]][j],rl[i][j]+sl[l[i][j]][j]);
            rw[i][j+1]=max(rw[w[i][j]][j],rw[i][j]+sw[w[i][j]][j]);
        }
    }
}
ll simulate(int x,int z){
    int t=0;
    ll p=x;
    ll q=z;
    while(p!=n){
        if(t==1){
            for(int j=18;j>=0;j--){
                if(rw[p][j]<=sw[p][j]+q){
                    q+=sw[p][j];
                    p=w[p][j];
                }
            }
        }
        else{
            for(int j=18;j>=0;j--){
                if(rl[p][j]>sl[p][j]+q){
                    q+=sl[p][j];
                    p=l[p][j];
                }
            }
        }
        t=(t+1)%2;
    }
    return q;
}

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