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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#482313#4222. 题yqh2025100 ✓736ms1003968kbC++141.6kb2024-07-17 18:52:452024-07-17 18:52:45

Judging History

你现在查看的是最新测评结果

  • [2024-07-17 18:52:45]
  • 评测
  • 测评结果:100
  • 用时:736ms
  • 内存:1003968kb
  • [2024-07-17 18:52:45]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=20,mod=1e9+7;
int n,f[2][N][N][N][N][N][N];
char ch[N*3];
void sol(){
	for(int a=0;a<=n;a++){
		for(int b=0;b<=n;b++){
			for(int c=0;c<=n;c++){
				for(int d=0;d<=n;d++){
					for(int e=0;e<=n;e++){
						for(int g=0;g<=n;g++){
							f[0][a][b][c][d][e][g]=0;
							f[1][a][b][c][d][e][g]=0;
						}
					}
				}
			}
		}
	}
	scanf("%lld%s",&n,ch+1);
	f[0][0][0][0][0][0][0]=1;
	for(int I=1;I<=n*3;I++){
		int i=I&1,j=i^1;
//		memset(f[i],0,sizeof(f[i]));
		for(int a=0;a<=n;a++){
			for(int b=0;a+b<=n;b++){
				for(int c=0;a+b+c<=n;c++){
					for(int d=0;a+b+c+d<=n;d++){
						for(int e=0;a+b+c+d+e<=n;e++){
							for(int g=0;a+b+c+d+e+g<=n;g++){
								int &x=f[i][a][b][c][d][e][g];x=0;
								if(ch[I]=='1'||ch[I]=='0'){
									x=(x+((a>0)?f[j][a-1][b][c][d][e][g]:0)+((e>0&&b<n)?f[j][a][b+1][c][d][e-1][g]*(b+1)%mod:0)+((g<n)?f[j][a][b][c][d][e][g+1]*(g+1)%mod:0));
								}
								if(ch[I]=='2'||ch[I]=='0'){
									x=(x+((b>0)?f[j][a][b-1][c][d][e][g]:0)+((g>0&&c<n)?f[j][a][b][c+1][d][e][g-1]*(c+1)%mod:0)+((d<n)?f[j][a][b][c][d+1][e][g]*(d+1)%mod:0));
								}
								if(ch[I]=='3'||ch[I]=='0'){
									x=(x+((c>0)?f[j][a][b][c-1][d][e][g]:0)+((d>0&&a<n)?f[j][a+1][b][c][d-1][e][g]*(a+1)%mod:0)+((e<n)?f[j][a][b][c][d][e+1][g]*(e+1)%mod:0));
								}
								x%=mod;
							}
						}
					}
				}
			}
		}
	}
	int ans=f[(n*3)&1][0][0][0][0][0][0];
	for(int i=1;i<=n;i++)ans=ans*i%mod;
	printf("%lld\n",ans);
}
signed main(){
	int t;cin>>t;
	while(t--)sol();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 10
Accepted
time: 2ms
memory: 14204kb

input:

5
1
123
1
100
1
000
1
300
1
010

output:

0
1
3
1
1

result:

ok 5 lines

Test #2:

score: 10
Accepted
time: 0ms
memory: 26520kb

input:

5
1
303
2
000320
2
002000
2
002020
2
020020

output:

0
36
60
12
12

result:

ok 5 lines

Test #3:

score: 10
Accepted
time: 0ms
memory: 37256kb

input:

5
2
110133
3
200010000
3
002002200
3
300000000
3
000000130

output:

0
5940
540
15120
7560

result:

ok 5 lines

Test #4:

score: 10
Accepted
time: 0ms
memory: 80584kb

input:

5
5
000000000000000
4
000000000000
3
000000000
2
000000
1
000

output:

864823720
29937600
45360
180
3

result:

ok 5 lines

Test #5:

score: 10
Accepted
time: 3ms
memory: 147536kb

input:

5
6
000121310223223210
7
033221120002010100230
7
000003020000010302010
7
000010002020302300100
7
030100002033300000000

output:

26853120
152413083
939384999
4309685
970165754

result:

ok 5 lines

Test #6:

score: 10
Accepted
time: 27ms
memory: 283232kb

input:

5
9
120332011311030220200103301
10
200003200103011232000202201120
10
000000201330030030101000003000
10
020000002032000000200000100002
10
100200322001000000320000002010

output:

963757075
290911546
487693965
730680478
984422198

result:

ok 5 lines

Test #7:

score: 10
Accepted
time: 92ms
memory: 465332kb

input:

5
13
000000000000000000000000000000000000000
12
000000000000000000000000000000000000
11
000000000000000000000000000000000
10
000000000000000000000000000000
9
000000000000000000000000000

output:

856865849
574346463
607449787
883895867
88660419

result:

ok 5 lines

Test #8:

score: 10
Accepted
time: 304ms
memory: 687284kb

input:

5
15
331110203302222220331213331310312220103030021
16
001301022200100032010330002213000300220033210033
16
020002030002000330003200030010000000000100002300
16
320000001003222000003000003000300010323113200020
16
000203000000000000010100000000000000002000210000

output:

70336694
482512438
740138646
212387388
427674884

result:

ok 5 lines

Test #9:

score: 10
Accepted
time: 600ms
memory: 904516kb

input:

5
17
221001103220113003322101120223031133120301212031002
18
201000020000000010323100000333030002012000213100030001
18
013203020100001021200030003102000130000002330303302120
18
010003030200000200100000002000000000000302000203103300
18
000001000132020000200321023010000000000000000132210300

output:

821788453
589132243
303959134
648206569
571580782

result:

ok 5 lines

Test #10:

score: 10
Accepted
time: 736ms
memory: 1003968kb

input:

5
18
331110100201233220121012022130200011112133012123201012
19
221011310310012302220013020123002132313030023020101110230
19
202000300003001300011000011021320001000300320020302022103
19
010030200000000000300300310000001302002000010230000330020
19
000000000000031000000000131200020001000020000001020000...

output:

171958822
242716134
229925968
914555153
59496792

result:

ok 5 lines

Extra Test:

score: 0
Extra Test Passed