제출 #1026449

#제출 시각아이디문제언어결과실행 시간메모리
1026449Mardonbekhazratov죄수들의 도전 (IOI22_prison)C++17
5 / 100
9 ms20432 KiB
#include "prison.h" #include <vector> #include <bits/stdc++.h> using namespace std; int n; vector<int>a; vector<vector<int>>ans; void solve(int l,int r,int c,int id){ ans[id][0]=c; c^=1; for(int i=1;i<l;i++){ ans[id][i]=c^(-2); } for(int i=r+1;i<=n;i++){ ans[id][i]=c^(-1); } ans[id][l]=c^(-2); ans[id][r]=c^(-1); if(l>=r-1) return; l++,r--; int mid=(l+r)/2; ans.push_back(vector<int>(n+1)); for(int i=l;i<=mid;i++) ans[id][i]=ans.size()-1; solve(l,mid,c,ans.size()-1); if(mid>=r) return; ans.push_back(vector<int>(n+1)); for(int i=mid+1;i<=r;i++) ans[id][i]=ans.size()-1; solve(mid+1,r,c,ans.size()-1); } std::vector<std::vector<int>> devise_strategy(int N) { n=N; ans.assign(1,vector<int>(N+1)); solve(1,N,0,0); // cout<<ans.size()<<'\n'; // for(auto x:ans){ // for(auto y:x) cout<<y<<' '; // cout<<'\n'; // } return ans; }
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