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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#341246#7398. Triangle TilingSkyjoyWA 2ms6012kbC++142.1kb2024-02-29 16:50:462024-02-29 16:50:46

Judging History

你现在查看的是最新测评结果

  • [2024-02-29 16:50:46]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:6012kb
  • [2024-02-29 16:50:46]
  • 提交

answer

#include<bits/stdc++.h>
#define I using
#define love namespace
#define Elaina std
I love Elaina;
const int N=5010;
int read(){
	int x=0,f=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){
		if(ch=='-')f=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=(x<<3)+(x<<1)+ch-'0';
		ch=getchar();
	}
	return x*f;
}
int T,n,a[N][N];
vector<int>pos[N],vec[N];
char ans[N][N];
namespace AyaseEli{
	#define ls(k) (k<<1)
	#define rs(k) (k<<1|1)
	int maxn[N<<2],tag[N<<2];
	void pushup(int k){maxn[k]=max(maxn[ls(k)],maxn[rs(k)])+tag[k];}
	void build(int k,int l,int r){
		tag[k]=0;
		if(l==r){
			maxn[k]=l-1;
			return;
		}
		int mid=(l+r)/2;
		build(ls(k),l,mid),build(rs(k),mid+1,r);
		pushup(k);
	}
	void change(int k,int l,int r,int qr){
		if(r<=qr){
			maxn[k]++,tag[k]++;
			return;
		}
		int mid=(l+r)/2;
		change(ls(k),l,mid,qr);
		if(mid<qr)change(rs(k),mid+1,r,qr);
		pushup(k);
	}
	int query(int k,int l,int r,int qr){
		if(r<=qr)return maxn[k];
		int mid=(l+r)/2,res=query(ls(k),l,mid,qr);
		if(mid<qr)res=max(res,query(rs(k),mid+1,r,qr));
		return res+tag[k];
	}
}
I love AyaseEli;
void solve(){
	n=read();
	for(int i=0;i<=n;i++)vec[i].clear();
	for(int i=1;i<=n;i++){
		pos[i].clear();
		ans[i][i+1]=0;
		for(int j=1;j<=i;j++){
			scanf("%1d",&a[i][j]);
			if(!a[i][j]){
				ans[i][j]='-';
				pos[i].push_back(j),vec[i-j].push_back(j);
			}
		}
	}
	for(int i=n+1;i>1;i--){
		build(1,1,i-1);
		if(pos[i].empty()&&i<=n){
			puts("Impossible!");
			return;
		}
		for(int j=1,l=0,r=0;j<=i;j++){
			for(int tmp:vec[i-1-j]){
				if(tmp>=j)break;
				change(1,1,i-1,tmp);
			}
			if(!a[i][j]&&i<=n){
				a[i-1][r]=0,ans[i-1][r]='2';
				pos[i-1].push_back(r);
				for(int k=l+1;k<=r;k++)ans[i][k]='1';
				for(int k=r+1;k<j;k++)ans[i][k]='3';
				if(r)change(1,1,i-1,r);
				l=r=j;
			}
			if(i==j){
				for(int k=l+1;k<=i;k++)ans[i][k]='1';
				break;
			}
			if(query(1,1,i-1,j)>j){
				puts("Impossible!");
				return;
			}
			if(l&&query(1,1,i-1,l)>=j)r=j+1;
		}
	}
	for(int i=1;i<=n;i++)printf("%s\n",ans[i]+1);
}
int main(){
	T=read();
	while(T--)solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5996kb

input:

1
4
0
11
010
1101

output:

-
21
-3-
33-1

result:

ok ok

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 6012kb

input:

909
6
0
11
100
1111
11100
111110
7
0
11
011
1001
10111
100111
1111111
6
0
00
001
1111
11101
111111
8
1
01
111
1111
10111
101110
1101101
11111100
2
1
00
2
0
01
3
0
01
110
7
1
00
011
1010
11011
110111
1111111
8
1
11
111
1011
11010
011110
1101110
01111111
5
1
00
010
1111
10111
6
0
10
011
0101
01111
111...

output:

-
32
3--
3332
333--
33333-
Impossible!
Impossible!
-
-1
111
3211
32211
3-2332
33-33-2
333333--
2
--
-
-1
-
-1
33-
Impossible!
-
21
221
2-21
2323-
-3233-
33-333-
-1111111
2
2-
-3-
1111
3-111
Impossible!
Impossible!
-
-1
332
33--
2
--
2
--
2
11
211
-332
333--
-
21
--1
-
-1
-
-1
211
23-1
2-111
23-111
-...

result:

wrong answer jury does not has a solution while user does