제출 #861736

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
861736	2023-10-16 21:19:10	Cyber_Wolf	Kamenčići (COCI21_kamencici)	C++17	70 / 70	109 ms	501364 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define lg long long 
const lg N = 400;
lg dp[N][N][N], pref[N];
lg n, k;
string s;
lg solve(lg l, lg r, lg o)
{
  if(o >= k)  return 0;
  if(pref[l-1]+pref[n]-pref[r]-o >= k)  return 1;
  auto&ret = dp[l][r][o];
  if(~ret)  return ret;
  if((l-1+n-r)%2)
  {
    ret = min(solve(l+1, r, o), solve(l, r-1, o));
  }
  else{
    ret = max(solve(l+1, r, o+(s[l-1] == 'C')), solve(l, r-1, o+(s[r-1] == 'C')));
  }
  // cout << l << ' ' << r << ' ' << o << '\n';
  // cout << ret << '\n';
  return ret;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40