제출 #1043172

#제출 시각아이디문제언어결과실행 시간메모리
1043172Marco_Escandon죄수들의 도전 (IOI22_prison)C++17
0 / 100
3 ms860 KiB
#include<bits/stdc++.h> using namespace std; //#include "prison.h" typedef int ll; vector<vector<ll>> s; ll cad[]={ 3, 3, 3, 3, 3, 2, 2, 1, 2}; ll P[20][5588]={ }; void sol(ll p,ll a, ll b) { if(a>=b) return; P[p][a]=-1e9; P[p][b]=1e9; if(a+1==b) return; ll t1=(b-a-1)/cad[p]; ll t2=(b-a-1)%cad[p]; ll c=0; for(int i=a+1; i<b;c++) { for(int j=0;j<t1+t2; j++) { P[p][i+j]=c; } sol(p+1,i,i+t1+t2-1); i=i+t1+t2; t2--;t2=max(t2,0); } } ll Hash(ll p, ll vp) { return vp*9+p; } std::vector<std::vector<int>> devise_strategy(int n) { sol(0,1,5588); s.assign(20,vector<ll>(n+1,0)); s[0][0]=0;s[0][1]=-1;s[0][n]=-2; for(int i=2; i<n; i++) s[0][i]=Hash(1,P[0][i]); for(int i=1; i<20; i++) { ll temp=i; ll va=temp%9; temp/=9; swap(va,temp); s[i][0]=max((temp%2),0); temp--; for(int j=1; j<=n; j++) { ll vp=P[temp][j]; if(va==vp)s[i][j]=Hash(temp+2,P[temp+1][j]); else if((s[i][0]==0&&vp<va)||(s[i][0]==1&&vp>va)) s[i][j]=-1; else s[i][j]=-2; if(s[i][j]>=20) s[i][j]=-2+s[i][0]; if(s[i][j]<-1e7) s[i][j]=-1-s[i][0]; } } /*for(int i=2; i<20; i++) { cout<<s[i][0]<<" "; for(int j=1; j<=3; j++) { cout<<s[i][j]<<P[i/2-1][j]<<" "; } cout<<"\n"; }*/ return s; }
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