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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#673418#4328. DugputQingyu59.244865 ✓1180ms20748kbC++234.8kb2024-10-24 22:16:392024-10-24 22:21:26

Judging History

你现在查看的是测评时间为 2024-10-24 22:21:26 的历史记录

  • [2024-10-24 22:48:27]
  • 管理员手动重测本题所有提交记录
  • 测评结果:100
  • 用时:1213ms
  • 内存:18612kb
  • [2024-10-24 22:43:45]
  • 管理员手动重测本题所有提交记录
  • 测评结果:0
  • 用时:10ms
  • 内存:8468kb
  • [2024-10-24 22:28:15]
  • 管理员手动重测本题所有提交记录
  • 测评结果:0
  • 用时:7ms
  • 内存:10324kb
  • [2024-10-24 22:21:26]
  • 管理员手动重测本题所有提交记录
  • 测评结果:59.244865
  • 用时:1180ms
  • 内存:20748kb
  • [2024-10-24 22:16:40]
  • 评测
  • 测评结果:60
  • 用时:1208ms
  • 内存:16372kb
  • [2024-10-24 22:16:39]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define MP make_pair
mt19937 rnd(time(0));
const int MAXN=5005;
int tid,T;
bool ri[MAXN][MAXN],dw[MAXN][MAXN];
bool vis[MAXN][MAXN];
map<array<int,6>,string> mp;
int max_len(int n,int m,int x1,int y1,int x2,int y2){
	if(x1==x2&&y1==y2) return 1;
	if(n>m) return max_len(m,n,y1,x1,y2,x2);
	if(x1>x2) return max_len(n,m,n+1-x1,y1,n+1-x2,y2);
	if(y1>y2) return max_len(n,m,x1,m+1-y1,x2,m+1-y2);
	if(n==1) return y2-y1+1;
	if(n==2&&x2-x1==1&&y2-y1<=1) return max(y1+y2,2*m+2-y1-y2);
	if(n*m&1) return n*m-((x1+y1)&1)-((x2+y2)&1);
	if(n==3&&((x1+x2+y1+y2)&1)&&((y2-y1>=2&&((x1+y1)&1))||(x1==2&&x2==2&&(y1&1)))) return n*m-2;
	return n*m-(~(x1+x2+y1+y2)&1); 
}
string replace(string s,char L,char R,char U,char D){
	for(int i=0;i<s.length();i++){
		if(s[i]=='L') s[i]=L;
		else if(s[i]=='R') s[i]=R;
		else if(s[i]=='U') s[i]=U;
		else if(s[i]=='D') s[i]=D;
	}
	return s;
}
string rev(string s){
	reverse(s.begin(),s.end());
	return replace(s,'R','L','D','U');
}
string solve(int n,int m,int x1,int y1,int x2,int y2){
	if(x1==x2&&y1==y2) return (string){};
	if(mp.count({n,m,x1,y1,x2,y2})) return mp[{n,m,x1,y1,x2,y2}];
	if(n>m) return replace(solve(m,n,y1,x1,y2,x2),'U','D','L','R');
	if(x1>x2) return replace(solve(n,m,n+1-x1,y1,n+1-x2,y2),'L','R','D','U');
	if(y1>y2) return replace(solve(n,m,x1,m+1-y1,x2,m+1-y2),'R','L','U','D');
	if(n==1) return string(y2-y1,'R');
	int C=max_len(n,m,x1,y1,x2,y2);
	for(int x=1;x<=n;x++) if(x1<=x&&x<x2) for(int y=1;y<=m;y++){
		if(C==max_len(x,m,x1,y1,x,y)+max_len(n-x,m,1,y,x2-x,y2)){
			return solve(x,m,x1,y1,x,y)+"D"+solve(n-x,m,1,y,x2-x,y2);
		}
	}
	for(int y=1;y<=m;y++) if(y1<=y&&y<y2) for(int x=1;x<=n;x++){
		if(C==max_len(n,y,x1,y1,x,y)+max_len(n,m-y,x,1,x2,y2-y)){
			return solve(n,y,x1,y1,x,y)+"R"+solve(n,m-y,x,1,x2,y2-y);
		}
	}
	if(n==3&&y1==y2){
		int x3=6-x1-x2;
		if(3+max_len(3,y1-1,x1,y1-1,x3,y1-1)+max_len(3,m-y1,x3,1,x2,1)==C){
			return "L"+solve(3,y1-1,x1,y1-1,x3,y1-1)+"RR"+
			solve(3,m-y1,x3,1,x2,1)+"L";
		}
		if(3+max_len(3,m-y1,x1,1,x3,1)+max_len(3,y1-1,x3,y1-1,x2,y1-1)==C){
			return "R"+solve(3,m-y1,x1,1,x3,1)+"LL"+
			solve(3,y1-1,x3,y1-1,x2,y1-1)+"R";
		}
	}else if(n==3&&y2-y1==1){
		assert(x1==1&&x2==3);
		if(6+max_len(3,m-y2,1,1,2,1)+max_len(3,y1-1,2,y1-1,3,y1-1)==C)
			return "RR"+solve(3,m-y2,1,1,2,1)+"LLL"+
			solve(3,y1-1,2,y1-1,3,y1-1)+"RR";
	}
	bool flag=(x1==x2);string s;
	if(flag) swap(n,m),swap(x1,y1),swap(x2,y2);
	for(int o:{0,1}){
	for(int i=x2+1;i<=n;i++){
		if(n+max_len(n,m-y1,1,1,i,1)+max_len(n,y1-1,n,y1-1,i-1,y1-1)==C){
			s=string(x1-1,'U')+"R"+solve(n,m-y1,1,1,i,1)+"L"+string(n-i,'D')+"L"+
			solve(n,y1-1,n,y1-1,i-1,y1-1)+"R"+string(i-1-x2,'U');
			if(o) s=replace(s,'R','L','U','D');
			if(!flag) return s;
			return replace(s,'U','D','L','R');
		}else if(n+max_len(n,m-y1,1,1,n,1)+max_len(n,y1-1,i,y1-1,i-1,y1-1)==C){
			s=string(x1-1,'U')+"R"+solve(n,m-y1,1,1,n,1)+"L"+string(n-i,'U')+"L"+
			solve(n,y1-1,i,y1-1,i-1,y1-1)+"R"+string(i-1-x2,'U');
			if(o) s=replace(s,'R','L','U','D');
			if(!flag) return s;
			return replace(s,'U','D','L','R');
		}
	}
	for(int i=1;i<x1;i++){
		if(n+max_len(n,m-y1,i+1,1,i,1)+max_len(n,y1-1,1,y1-1,n,y1-1)==C){
			s=string(x1-i-1,'U')+"R"+solve(n,m-y1,i+1,1,i,1)+"L"+string(i-1,'U')+"L"+
			solve(n,y1-1,1,y1-1,n,y1-1)+"R"+string(n-x2,'U');
			if(o) s=replace(s,'R','L','U','D');
			if(!flag) return s;
			return replace(s,'U','D','L','R');
		}else if(n+max_len(n,m-y1,i+1,1,1,1)+max_len(n,y1-1,i,y1-1,n,y1-1)==C){
			s=string(x1-i-1,'U')+"R"+solve(n,m-y1,i+1,1,1,1)+"L"+string(i-1,'D')+
			"L"+solve(n,y1-1,i,y1-1,n,y1-1)+"R"+string(n-x2,'U');
			if(o) s=replace(s,'R','L','U','D');
			if(!flag) return s;
			return replace(s,'U','D','L','R');
		}
	}
	y1=y2=m+1-y1;
	}
	assert(0);
}
int main(){
	ios::sync_with_stdio(false);
	// freopen("Otomachi_Una.in","r",stdin);
	// freopen("Otomachi_Una.out","w",stdout);
	cin>>tid>>T;
	if(tid<=4)tid=0;
	else tid=1;
	while(T--){
		int n,m,x1,y1,x2,y2;
		cin>>n>>m>>x1>>y1>>x2>>y2;
		if(tid) cout<<max_len(n,m,x1,y1,x2,y2)<<'\n';
		else{
			string s=solve(n,m,x1,y1,x2,y2);
			for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) vis[i][j]=ri[i][j]=dw[i][j]=0;
			int x=x1,y=y1;
			for(char c:s){
				vis[x][y]=true;
				if(c=='L'){
					ri[x][--y]=true;
				}else if(c=='R'){
					ri[x][y++]=true;
				}else if(c=='U'){
					dw[--x][y]=true;
				}else{
					dw[x++][y]=true;
				}
			}
			for(int i=1;i<=n;i++){
				for(int j=1;j<=m;j++){
					cout<<"o*"[(i==x1&&j==y1)||(i==x2&&j==y2)];
					if(j<m) for(int o:{0,1}) cout<<" -"[ri[i][j]];
				}
				cout<<'\n';
				if(i<n){
					for(int j=1;j<=m;j++){
						cout<<" |"[dw[i][j]];
						if(j<m) cout<<"  ";
					}
					cout<<'\n';
				}
			}
		}
	}
	cerr<<"Running time: "<<1.*clock()/CLOCKS_PER_SEC<<'\n';
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 20
Accepted

Test #1:

score: 23.7914
Acceptable Answer
time: 3ms
memory: 8432kb

input:

1
1562
15 6 1 6 15 1
15 6 5 6 11 1
15 6 15 2 1 5
15 6 1 6 1 3
15 6 15 6 11 6
15 6 1 1 4 2
15 6 2 1 9 2
15 6 4 5 9 4
15 6 4 5 4 6
15 6 9 2 3 2
15 6 9 2 6 5
2 41 1 41 2 1
2 41 1 24 2 9
2 41 2 2 1 10
2 41 1 1 1 14
2 41 2 1 1 10
2 41 2 16 2 17
2 41 1 28 2 35
2 41 2 9 1 36
2 41 1 18 ...

output:

o--o--o  o--o  *
|     |  |  |  |
o--o  o  o  o  o
   |  |  |  |  |
o--o  o  o  o  o
|     |  |  |  |
o--o  o  o  o  o
   |  |  |  |  |
o--o  o  o  o  o
|     |  |  |  |
o--o  o  o  o  o
   |  |  |  |  |
o--o  o  o  o  o
|     |  |  |  |
o--o  o  o  o  o
   |  |  |  |  |
o--o  o  o  o  o
|     |  | ...

result:

points 1.1895684148 correct (test case 1562)

Subtask #2:

score: 25
Accepted

Dependency #1:

100%
Accepted

Test #2:

score: 38.4516
Acceptable Answer
time: 72ms
memory: 15176kb

input:

2
1562
500 1 1 1 500 1
500 1 52 1 76 1
500 1 24 1 243 1
500 1 1 1 386 1
500 1 1 1 10 1
500 1 340 1 117 1
500 1 298 1 363 1
500 1 300 1 103 1
500 1 370 1 383 1
12 83 12 1 12 83
12 83 12 27 12 65
12 83 1 22 1 78
12 83 1 83 12 69
12 83 1 83 2 83
12 83 1 83 2 60
12 83 10 83 11 14
12 83...

output:

*
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
o
|
...

result:

points 1.5380621489 correct (test case 1562)

Subtask #3:

score: 14.2449
Acceptable Answer

Dependency #2:

100%
Accepted

Test #3:

score: 14.2449
Acceptable Answer
time: 253ms
memory: 20740kb

input:

3
1172
500 3 500 3 1 3
500 3 332 1 425 1
500 3 390 1 270 3
500 3 1 1 293 3
500 3 500 1 284 1
500 3 1 3 55 2
500 3 314 1 457 2
500 3 68 2 261 2
500 3 68 2 69 3
500 3 299 2 376 2
500 3 299 2 299 1
500 3 500 1 1 1
500 3 103 1 300 1
500 3 142 1 113 1
500 3 1 1 76 3
500 3 1 1 439 1
500 ...

output:

o--o  *
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |  |
o  o  o
|  |...

result:

points 0.9496576514 correct (test case 1172)

Subtask #4:

score: 0
Wrong Answer

Dependency #3:

94.9658%
Acceptable Answer

Test #4:

score: 0
Wrong Answer
time: 1180ms
memory: 20748kb

input:

4
1562
165 500 1 500 165 500
165 500 78 500 1 401
165 500 165 469 104 500
165 500 1 1 165 298
165 500 165 1 1 499
165 500 165 1 4 122
165 500 8 1 85 361
165 500 112 191 152 254
165 500 112 191 114 190
165 500 49 106 64 350
165 500 49 106 48 108
22 500 22 500 22 1
22 500 20 1 1 387
22 ...

output:

o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--...

result:

wrong answer invalid map: (1, 1) is  , but it should be either o or * (test case 1349)

Subtask #5:

score: 0
Wrong Answer

Test #5:

score: 0
Wrong Answer
time: 0ms
memory: 3960kb

input:

5
1562
165 500 1 500 165 500
165 500 78 500 1 401
165 500 165 469 104 500
165 500 1 1 165 298
165 500 165 1 1 499
165 500 165 1 4 122
165 500 8 1 85 361
165 500 112 191 152 254
165 500 112 191 114 190
165 500 49 106 64 350
165 500 49 106 48 108
22 500 22 500 22 1
22 500 20 1 1 387
22 ...

output:

82499
82499
82499
82500
82499
82499
82500
82500
82500
82500
82500
11000
11000
10999
10999
10999
11000
10999
11000
11000
11000
10999
10499
10500
10500
10500
10500
10500
10500
10500
10500
10500
10499
30000
30000
29999
29999
29999
30000
30000
29999
30000
29999
30000
39999
39999
40000
40000
40000
40000
...

result:

wrong answer read 82499 but expected 1162 (test case 1)