제출 #444261

#제출 시각아이디문제언어결과실행 시간메모리
444261urd05던전 (IOI21_dungeons)C++17
37 / 100
7031 ms207892 KiB
#include "dungeons.h" #include <bits/stdc++.h> using namespace std; int s[400000]; int p[400000]; int w[400000]; int l[400000]; int n; vector<long long> vec; typedef pair<long long,long long> P; int nt[4000001][24]; P table[400001][24]; void init(int nn, vector<int> ss, vector<int> pp, vector<int> ww, vector<int> ll) { n=nn; for(int i=0;i<n;i++) { s[i]=ss[i]; p[i]=pp[i]; w[i]=ww[i]; l[i]=ll[i]; } for(int i=0;i<=n;i++) { nt[i][0]=(i==n?n:w[i]); table[i][0]=P(-s[i],s[i]); } for(int j=1;j<24;j++) { for(int i=0;i<=n;i++) { nt[i][j]=nt[nt[i][j-1]][j-1]; table[i][j]=P(min(table[i][j-1].first,table[i][j-1].second+table[nt[i][j-1]][j-1].first),table[i][j-1].second+table[nt[i][j-1]][j-1].second); } } return; } int getind(int val) { return upper_bound(vec.begin(),vec.end(),val)-vec.begin(); } long long simulate(int x, int zz) { long long z=zz; while (x!=n) { for(int i=23;i>=0;i--) { if (nt[x][i]!=n&&z>=-table[x][i].first) { z+=table[x][i].second; x=nt[x][i]; } } if (z>=s[x]) { z+=s[x]; x=w[x]; } else { z+=p[x]; x=l[x]; } } return z; }
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