Submission #1059711

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059711		epicci23	Soccer Stadium (IOI23_soccer)	C++17	8 / 100	6 ms	2492 KiB

soccer

#include "bits/stdc++.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;
#include "soccer.h"


int dp[8][8][8][8][8][8];
vector<vector<int>> ar;
int ans=0,n;

int calc(int a,int b,int c,int d,int e,int f){
  if(dp[a][b][c][d][e][f]!=-1) return dp[a][b][c][d][e][f];
  int cevv=0;
  for(int i=b;i<=c;i++) if(ar[a][i]) return dp[a][b][c][d][e][f]=0;
  for(int i=e;i<=f;i++) if(ar[d][i]) return dp[a][b][c][d][e][f]=0;
  if(a>0){	
   for(int i=0;i<n;i++){
  	 for(int j=i;j<n;j++){
  	   if(ar[a-1][j]) break;
  	   if(b<=i && j<=c && ((i<=e && f<=j) || (e<=i && j<=f)) ) cevv=max(cevv,calc(a-1,i,j,d,e,f)+j-i+1);  
  	 }
   }
  }
  if(d+1<n){
  	for(int i=0;i<n;i++){
  	 for(int j=i;j<n;j++){
  	   if(ar[d+1][j]) break;
  	   if(e<=i && j<=f && ((i<=b && c<=j) || (b<=i && j<=c)) ) cevv=max(cevv,calc(a,b,c,d+1,i,j)+j-i+1);  
  	 }
   }
  }
  return dp[a][b][c][d][e][f]=cevv;
}

int biggest_stadium(int N, vector<vector<int>> xd){
  memset(dp,-1,sizeof(dp));
  ar=xd;n=N;
  for(int i=0;i<n;i++){
  	for(int j=0;j<n;j++){
  	  for(int k=j;k<n;k++){
        if(ar[i][k]) break;
        ans=max(ans,calc(i,j,k,i,j,k)+k-j+1);
  	  }
  	}
  }
  return ans;
}


/*void _(){
	
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}*/

• Subtask 0: 0 / 0
• Subtask 1: 0 / 6
• Subtask 2: 8 / 8
• Subtask 3: 0 / 22
• Subtask 4: 0 / 18
• Subtask 5: 0 / 16
• Subtask 6: 0 / 30