Submission #1055012

#TimeUsernameProblemLanguageResultExecution timeMemory
1055012MalixPrisoner Challenge (IOI22_prison)C++17
10 / 100
180 ms1408 KiB
#include "prison.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))
 
ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

std::vector<std::vector<int>> devise_strategy(int n) {
  int m=24;
  vii ans(m+1,vi(n+1));
  REP(i,0,m+1){
    if(((i+1)/2)%2==1)ans[i][0]=1;
    else ans[i][0]=0;
  }
  REP(j,1,n+1){
    if(j&(1<<11))ans[0][j]=1;
    else ans[0][j]=2;
  }
  REP(i,1,m+1){
    if(i%2==1){
      REP(j,1,n+1){
        if(j&(1<<(12-(i+1)/2))){
          if((1<<(12-(i+1)/2-1))<0){
            ans[i][j]=m;continue;
          }
          if(j&(1<<(12-(i+1)/2-1)))ans[i][j]=i+2;
          else ans[i][j]=i+3;
        }
        else {
          if(((i+1)/2)%2==1)ans[i][j]=-2;
          else ans[i][j]=-1;
        }
      }
    }
    else{
      REP(j,1,n+1){
        if(!(j&(1<<(12-(i+1)/2)))){
          if((1<<(12-(i+1)/2-1))<0){
            ans[i][j]=m;continue;
          }
          if(j&(1<<(12-(i+1)/2-1)))ans[i][j]=i+1;
          else ans[i][j]=i+2;
        }
        else {
          if(((i+1)/2)%2==1)ans[i][j]=-1;
          else ans[i][j]=-2;
        }
      }
    }
  }
  REP(i,0,m+1)REP(j,0,n+1)if(ans[i][j]>m)ans[i][j]=m;
  REP(i,0,m+1){
    cerr<<i<<" - ";
    REP(j,0,n+1)cerr<<ans[i][j]<<" ";
    cerr<<"\n";
  }
  return ans;
}
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