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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#694543#7075. Let's Play Jigsaw Puzzles!ucup-team4352#WA 3054ms500008kbC++231.8kb2024-10-31 18:09:342024-10-31 18:09:36

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 18:09:36]
  • 评测
  • 测评结果:WA
  • 用时:3054ms
  • 内存:500008kb
  • [2024-10-31 18:09:34]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define lowbit(x) (x&-x)
#define log(x) (31^__builtin_clz(x))
using namespace std;
const int maxn=1e4+5;
int a[maxn];
vector<int>dp[maxn];
vector<int>ans[maxn];
vector<short>loc[maxn];
int n;
int now[maxn];
short find(int x,int y,int nx,int ny){
	short l=y+1,r=n+1;
	while(l<r){
		short mid=l+r-1>>1;
		if(ans[x+1][mid-(x+1)]+nx>ans[y+1][mid-(y+1)]+ny)l=mid+1;
		else r=mid;
	}
	return l;
}
void solve(){
	n=9e3+500;
	// cin>>n;
	for(int i=1;i<=n;i++){
		a[i]=i;
		// cin>>a[i];
		dp[i].resize(i+1);
	}
	for(int i=1;i<=n;i++){
		int mn=a[i],mx=a[i];
		for(int j=i;j<=n;j++){
			mx=max(mx,a[j]);
			mn=min(mn,a[j]);
			ans[i].push_back(mx-mn);
		}
	}
	dp[0]={0};
	
	for(int i=1;i<=n;i++){
		dp[i][1]=ans[1][i-1];
		dp[i][i]=0;
		loc[i]={(short)i};
		for(int j=2;j<i;j++){
			while(now[j-1]+1<loc[j-1].size()&&find(loc[j-1][now[j-1]],loc[j-1][now[j-1]+1],dp[loc[j-1][now[j-1]]][j-1],dp[loc[j-1][now[j-1]+1]][j-1])<=i)now[j-1]++;
			dp[i][j]=dp[loc[j-1][now[j-1]]][j-1]+ans[loc[j-1][now[j-1]]+1][i-(loc[j-1][now[j-1]]+1)];
			// cout<<loc[j-1][now[j-1]]<<" "<<loc[j-1].size()<<"\n";
		}
		// cout<<"\n";
		if(i<n)
		for(int j=1;j<i;j++){
			while(loc[j].size()>1){
				int tmp=loc[j].back(),tmp1=loc[j][loc[j].size()-2];
				int nw=find(tmp,i,dp[tmp][j],dp[i][j]);
				int lst=find(tmp,tmp1,dp[tmp][j],dp[tmp1][j]);
				// if(0){
				if(nw<=lst){
					loc[j].pop_back();
				}
				else{
					break;
				}
			}
			loc[j].push_back(i);
		}
		// for(int j=1;j<=i;j++)cout<<dp[i][j]<<" ";cout<<"\n\n";
	}
	for(int j=1;j<=n;j++)cout<<dp[n][j]<<"\n";
}
int main(){
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int t=1;
    // cin>>t;
    while(t--)solve();
    return 0;
}
/*
*/

详细

Test #1:

score: 0
Wrong Answer
time: 3054ms
memory: 500008kb

input:

2
-1 3 -1 2
-1 4 1 -1
1 -1 -1 4
2 -1 3 -1

output:

9499
9498
9497
9496
9495
9494
9493
9492
9491
9490
9489
9488
9487
9486
9485
9484
9483
9482
9481
9480
9479
9478
9477
9476
9475
9474
9473
9472
9471
9470
9469
9468
9467
9466
9465
9464
9463
9462
9461
9460
9459
9458
9457
9456
9455
9454
9453
9452
9451
9450
9449
9448
9447
9446
9445
9444
9443
9442
9441
9440
...

result:

wrong answer 1st lines differ - expected: '1 2', found: '9499'