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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#69285#2353. Maharajas are Going Homezhangboju#WA 590ms33080kbC++171.7kb2022-12-26 11:18:152022-12-26 11:18:17

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-26 11:18:17]
  • 评测
  • 测评结果:WA
  • 用时:590ms
  • 内存:33080kb
  • [2022-12-26 11:18:15]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
template <typename T> inline void read(T &x)
{
	x=0;short f=1;char c=getchar();
	for(;c<'0'||c>'9';c=getchar()) if(c=='-') f=-1;
	for(;c>='0'&&c<='9';c=getchar()) x=(x<<1)+(x<<3)+(c^48);
	x*=f;return;
}
const int N=4005;
using node=array<int,3>;
bitset<N>h[N],l[N],d[N],tmp;
int sg[N][N];
int x[N],y[N];
void init()
{
	for(int i=1;i<=4000;i++)
	{
		h[i].set();
		l[i].set();
		d[i].set();
	}
	for(int i=1;i<=2000;i++)
	{
		for(int j=1;j<=2000;j++)
		{
			tmp.set();
			tmp=tmp&h[i];
			tmp=tmp&l[j];
			tmp=tmp&d[i-j+2000];
			if(i>=3&&j>=2) tmp[sg[i-2][j-1]]=0;
			if(i>=2&&j>=3) tmp[sg[i-1][j-2]]=0;
			sg[i][j]=tmp._Find_first();
			h[i][sg[i][j]]=0;
			l[j][sg[i][j]]=0;
			d[i-j+2000][sg[i][j]]=0;
		}
	}
}
int main()
{
	init();
	int T;read(T);
	while(T--)
	{
		int k;read(k);
		int res=0;
		for(int i=1;i<=k;i++)
		{
			read(x[i]),read(y[i]);
			res^=sg[x[i]][y[i]];
		}
		if(res==0)
		{
			puts("-1 -1 -1");
			continue;
		}
		node ans={(int)1e9,(int)1e9,0};
		for(int t=1;t<=k;++t)
		{
			for(int i=1;i<=x[t]-1;++i)
				if(sg[i][y[t]]==(res^sg[x[t]][y[t]]))
					ans=min(ans,{i,y[t],t});
			for(int i=1;i<=y[t]-1;++i)
				if(sg[x[t]][i]==(res^sg[x[t]][y[t]]))
					ans=min(ans,{x[t],i,t});
			for(int i=1;i<=min(x[t],y[t])-1;++i)
				if(sg[x[t]-i][y[t]-i]==(res^sg[x[t]][y[t]]))
					ans=min(ans,{x[t]-i,y[t]-i,t});
			if(x[t]>=3&&y[t]>=2)
				if(sg[x[t]-2][y[t]-1]==(res^sg[x[t]][y[t]]))
					ans=min(ans,{x[t]-2,y[t]-1,t});
			if(x[t]>=2&&y[t]>=3)
				if(sg[x[t]-1][y[t]-2]==(res^sg[x[t]][y[t]]))
					ans=min(ans,{x[t]-1,y[t]-2,t});
		}
		printf("%d %d %d\n",ans[2],ans[0],ans[1]);
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 555ms
memory: 33068kb

input:

3
5
2 3
3 2
3 3
3 3
3 3
1
2 4
2
1 1
3 2

output:

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

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 584ms
memory: 32868kb

input:

1
1
1 1

output:

-1 -1 -1

result:

ok single line: '-1 -1 -1'

Test #3:

score: 0
Accepted
time: 588ms
memory: 33016kb

input:

100
1
5 5
1
1 5
1
5 4
1
4 4
1
2 2
1
5 3
1
4 5
1
2 4
1
4 1
1
3 2
1
3 2
1
1 4
1
2 5
1
4 2
1
5 3
1
5 5
1
4 2
1
3 4
1
3 4
1
4 2
1
3 1
1
1 5
1
1 4
1
4 1
1
4 5
1
2 5
1
5 1
1
4 1
1
2 4
1
2 5
1
3 4
1
2 5
1
5 4
1
4 4
1
2 3
1
3 4
1
5 4
1
1 3
1
3 4
1
1 5
1
5 1
1
2 3
1
3 1
1
1 1
1
5 2
1
2 5
1
1 4
1
3 3
1
4 3
1
...

output:

1 1 1
1 1 1
1 2 4
1 1 1
1 1 1
1 4 2
1 2 4
-1 -1 -1
1 1 1
1 1 1
1 1 1
1 1 1
1 2 4
-1 -1 -1
1 4 2
1 1 1
-1 -1 -1
1 2 4
1 2 4
-1 -1 -1
1 1 1
1 1 1
1 1 1
1 1 1
1 2 4
1 2 4
1 1 1
1 1 1
-1 -1 -1
1 2 4
1 2 4
1 2 4
1 2 4
1 1 1
1 1 1
1 2 4
1 2 4
1 1 1
1 2 4
1 1 1
1 1 1
1 1 1
1 1 1
-1 -1 -1
1 4 2
1 2 4
1 1 1
...

result:

ok 100 lines

Test #4:

score: 0
Accepted
time: 590ms
memory: 33072kb

input:

100
1
10 10
1
9 8
1
2 5
1
9 10
1
3 6
1
1 2
1
1 2
1
10 6
1
6 4
1
10 8
1
7 1
1
1 3
1
4 2
1
2 1
1
1 5
1
10 4
1
6 7
1
7 2
1
7 1
1
10 2
1
4 1
1
9 3
1
9 8
1
2 2
1
2 3
1
1 9
1
3 3
1
3 9
1
9 4
1
2 2
1
6 8
1
1 3
1
3 10
1
7 6
1
10 10
1
7 8
1
2 7
1
5 3
1
8 6
1
4 4
1
9 5
1
5 1
1
2 1
1
4 1
1
3 1
1
1 9
1
5 7
1
9 ...

output:

1 1 1
1 6 5
1 2 4
1 5 6
1 2 4
1 1 1
1 1 1
1 5 6
1 2 4
1 4 2
1 1 1
1 1 1
-1 -1 -1
1 1 1
1 1 1
1 2 4
1 3 7
1 4 2
1 1 1
1 4 2
1 1 1
1 7 3
1 6 5
1 1 1
1 1 1
1 1 1
1 1 1
1 3 7
1 2 4
1 1 1
1 2 4
1 1 1
1 3 7
1 5 6
1 1 1
1 5 6
1 2 4
1 4 2
1 4 2
1 1 1
1 6 5
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 2 4
1 7 3
1 4 2
1 3...

result:

ok 100 lines

Test #5:

score: -100
Wrong Answer
time: 563ms
memory: 33080kb

input:

100
2
100 100
87 49
2
38 68
61 81
2
41 26
82 40
2
15 92
26 90
2
87 50
76 15
2
41 85
57 30
2
52 7
73 19
2
78 15
95 71
2
51 72
5 34
2
20 83
74 1
2
63 42
74 75
2
97 96
35 72
2
17 84
98 52
2
84 37
50 5
2
55 26
62 4
2
67 13
45 64
2
11 93
45 58
2
39 9
64 26
2
49 17
40 18
2
38 51
34 2
2
30 6
50 60
2
19 24
...

output:

2 87 29
2 30 50
2 27 40
2 10 74
2 2 15
1 20 64
2 51 19
2 23 71
2 5 22
1 7 70
2 25 26
2 8 72
2 64 52
1 28 37
1 49 20
2 18 64
1 2 84
2 45 7
2 40 6
1 38 20
1 30 5
1 19 22
1 10 42
1 9 11
2 12 51
2 42 43
1 19 14
1 24 35
1 5 4
2 57 55
2 41 28
2 75 25
2 2 54
1 14 30
1 32 29
2 1 45
1 18 65
2 12 46
1 49 35
2...

result:

wrong answer 1st lines differ - expected: '1 91 91', found: '2 87 29'