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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
#393776#7303. City UnitedD_F_SWA 22ms61176kbC++14546b2024-04-19 11:42:402024-04-19 11:42:41

Judging History

你现在查看的是最新测评结果

  • [2024-04-19 11:42:41]
  • 评测
  • 测评结果:WA
  • 用时:22ms
  • 内存:61176kb
  • [2024-04-19 11:42:40]
  • 提交

answer

#include<cstdio>
const int U=1594323;int n,m,i,j,x,y,c[4],p[14]={1},e[51],a[U],b[U],f[51][U];
int main()
{
	for(i=1;i<14;++i) p[i]=p[i-1]*3;
	for(x=0;x<U;++x) a[x]=a[x/3]+(x%3/2), b[x]=b[x/3]+(x%3==1);
	for(scanf("%d%d",&n,&m);m--;)
		scanf("%d%d",&x,&y), x>y&&(x^=y^=x^=y), e[y]|=1<<y-x-1;
	for(i=f[0][0]=1;i<=n;++i)
	{
		for(x=0;x<U;++x) if(m=f[i-1][x]%4)
		{
			f[i][y=x*3%U]+=m;
			!(e[i]&a[x])&&(f[i][y+1]+=m);
			!(e[i]&b[x])&&(f[i][y+2]+=m);
		}
	}
	for(m=-1,x=0;x<U;++x) m+=f[n][x]%4;
	printf("%d\n",m%4/2); return 0;
}

详细

Test #1:

score: 100
Accepted
time: 3ms
memory: 20244kb

input:

3 2
1 2
2 3

output:

0

result:

ok 1 number(s): "0"

Test #2:

score: 0
Accepted
time: 7ms
memory: 20140kb

input:

3 3
1 2
2 3
3 1

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: 0
Accepted
time: 22ms
memory: 61168kb

input:

15 31
9 5
14 5
2 7
5 15
11 14
11 9
2 6
3 4
12 1
6 8
3 5
11 10
15 6
4 1
1 2
8 9
6 12
14 10
13 2
4 5
3 8
3 15
11 6
7 5
4 6
11 2
13 15
3 2
8 4
6 13
7 10

output:

1

result:

ok 1 number(s): "1"

Test #4:

score: -100
Wrong Answer
time: 15ms
memory: 61176kb

input:

15 92
10 9
15 7
11 1
7 2
12 10
1 12
4 13
1 4
11 5
1 2
4 3
1 9
15 4
11 7
14 1
8 7
8 12
7 4
10 14
7 13
6 13
4 12
11 10
13 8
13 15
10 7
2 14
12 13
14 5
8 4
12 9
7 9
15 10
10 4
11 15
13 10
6 15
8 9
2 8
11 12
5 4
1 6
2 9
10 1
5 6
14 12
5 13
5 10
6 9
15 8
12 15
10 2
5 7
4 6
2 11
12 3
15 9
9 3
3 10
5 2
12 ...

output:

1

result:

wrong answer 1st numbers differ - expected: '0', found: '1'