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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#762252#1286. Ternary String CountingThe_Shadow_DragonML 216ms212144kbC++142.3kb2024-11-19 14:17:532024-11-19 14:18:19

Judging History

你现在查看的是最新测评结果

  • [2024-11-19 14:18:19]
  • 评测
  • 测评结果:ML
  • 用时:216ms
  • 内存:212144kb
  • [2024-11-19 14:17:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long 
#define ull unsigned long long
#define sort stable_sort 
#define endl '\n'
const int p=1000000007;
int s[5010];
vector<int>f,idx,idy,lie[5010],hang[5010];
vector<pair<int,int> >q[5010];
void insert(int x,int y,int val)
{
	if(val!=0)
	{
		lie[x].push_back(f.size());
		hang[y].push_back(f.size());
		f.push_back(val);
		idx.push_back(x);
		idy.push_back(y);
		s[x]=(s[x]+val)%p;
		s[y]=(s[y]+val)%p;
	}
}
int qpow(int a,int b,int p)
{
	int ans=1;
	while(b)
	{
		if(b&1)
		{
			ans=1ll*ans*a%p;
		}
		b>>=1;
		a=1ll*a*a%p;
	}
	return ans;
}
int main()
{
// #define Isaac
#ifdef Isaac
	freopen("color.in","r",stdin);
	freopen("color.out","w",stdout);
#endif
	int t,n,m,l,r,x,lj,rj,lk,rk,ans,inv=qpow(2,p-2,p),i,j,k,v;
	scanf("%d",&t);
	for(v=1;v<=t;v++)
	{
		cin>>n>>m;
		ans=0;
		vector<int>().swap(f);
		vector<int>().swap(idx);
		vector<int>().swap(idy);
		for(i=0;i<=n;i++)
		{
			vector<int>().swap(lie[i]);
			vector<int>().swap(hang[i]);
			vector<pair<int,int> >().swap(q[i]);
			s[i]=0;
		}
		for(i=1;i<=m;i++)
		{	
			cin>>l>>r>>x;
			q[r].push_back(make_pair(l,x));
		}
		insert(0,0,3);
		for(i=1;i<=n;i++)
		{
			lj=lk=0;
			rj=rk=0x3f3f3f3f;
			for(j=0;j<q[i].size();j++)
			{
				switch(q[i][j].second)
				{
					case 1:
						rj=min(rj,q[i][j].first-1);
						break;
					case 2:
						lj=max(lj,q[i][j].first);
						rk=min(rk,q[i][j].first-1);
						break;
					case 3:
						lk=max(lk,q[i][j].first);
						break;
					default:
						break;
				}
			}
			for(j=0;j<=i;j++)
			{
				if(j<lj||j>rj)
				{
					for(k=0;k<lie[j].size();k++)
					{
						s[idx[lie[j][k]]]=(s[idx[lie[j][k]]]-f[lie[j][k]]+p)%p;
						s[idy[lie[j][k]]]=(s[idy[lie[j][k]]]-f[lie[j][k]]+p)%p;
						f[lie[j][k]]=0;
					}
					vector<int>().swap(lie[j]);
				}
				if(j<lk||j>rk)
				{
					for(k=0;k<hang[j].size();k++)
					{
						s[idx[hang[j][k]]]=(s[idx[hang[j][k]]]-f[hang[j][k]]+p)%p;
						s[idy[hang[j][k]]]=(s[idy[hang[j][k]]]-f[hang[j][k]]+p)%p;
						f[hang[j][k]]=0;
					}
					vector<int>().swap(hang[j]);
				}	
			}
			if(i!=n)
			{
				for(j=i;j>=0;j--)
				{
					insert(i,j,s[j]);
				}
			}
		}
		for(i=0;i<=n;i++)
		{
			ans=(ans+s[i])%p;
		}
		cout<<1ll*ans*inv%p<<endl;
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 4128kb

input:

4
1 0
2 0
3 0
5 2
1 3 3
4 5 1

output:

3
9
27
18

result:

ok 4 tokens

Test #2:

score: 0
Accepted
time: 3ms
memory: 3996kb

input:

741
5 3
1 5 3
3 4 2
1 4 3
4 3
2 4 2
1 4 1
2 3 3
10 3
9 10 2
3 6 3
1 9 1
3 4
2 3 2
1 3 2
2 3 3
1 3 3
10 4
6 6 1
9 10 2
4 8 3
4 10 3
6 3
1 4 3
2 4 2
2 2 2
4 3
1 4 1
1 1 2
2 3 1
5 3
4 5 2
4 5 1
1 4 3
9 3
2 3 2
1 9 2
2 4 2
4 3
1 3 3
2 3 2
1 2 3
8 4
5 8 1
4 8 1
3 5 3
1 3 3
9 3
4 5 1
1 5 3
3 8 2
8 3
5 7 2...

output:

90
0
0
0
24300
0
0
0
768
0
0
972
2916
0
6480
864
0
0
0
0
0
0
0
0
6
0
0
0
0
0
96
0
6
0
0
0
0
0
0
0
108
0
0
0
2916
0
0
0
0
0
0
0
0
0
0
324
8748
0
0
0
0
0
0
4320
0
0
0
18
0
0
0
0
0
0
0
0
0
0
0
1992
0
0
450
0
162
1656
0
0
0
0
0
54
0
18
0
0
0
0
744
0
1620
324
0
0
36
36
0
0
60
6
54
0
0
0
0
0
0
0
0
243
810...

result:

ok 741 tokens

Test #3:

score: 0
Accepted
time: 3ms
memory: 4020kb

input:

332
17 5
4 9 1
4 6 1
7 17 1
5 5 1
5 6 3
13 5
10 12 3
8 13 2
1 10 3
2 9 1
9 10 1
19 5
11 13 1
9 17 2
1 7 1
4 4 2
3 9 1
15 4
8 11 2
9 14 3
10 12 2
4 5 2
12 4
3 9 2
7 8 1
1 7 3
6 7 3
16 5
4 14 3
1 5 1
2 10 1
2 12 3
6 9 3
20 4
10 17 3
4 20 3
17 19 3
8 17 1
20 5
11 11 1
9 13 1
1 5 3
17 17 3
3 18 3
17 5
1...

output:

0
0
0
2047032
0
0
0
0
0
839808
0
0
0
0
0
0
0
0
0
0
0
0
44641044
0
20412
0
0
0
0
0
0
0
6
0
0
0
0
81
0
0
0
0
0
0
0
0
0
0
0
313155072
0
0
0
0
0
0
0
0
0
5400
0
10368
0
0
0
0
14580
0
0
0
217728
40310784
0
0
218700
0
0
0
0
1620
0
0
0
0
0
108
146304
0
0
0
466560
288
0
0
0
0
0
0
0
276138
0
0
0
0
0
0
0
52488...

result:

ok 332 tokens

Test #4:

score: 0
Accepted
time: 26ms
memory: 14500kb

input:

5
1000 0
1000 5
779 779 2
543 840 3
30 477 1
10 295 3
463 741 1
1000 6
379 569 1
249 826 2
194 819 3
90 400 1
614 808 2
102 868 2
1000 8
463 981 1
680 857 3
560 623 1
209 659 1
55 957 2
244 327 1
321 888 3
37 204 3
1000 5
336 851 3
410 676 1
522 911 2
165 962 1
258 330 3

output:

56888193
0
0
0
0

result:

ok 5 tokens

Test #5:

score: 0
Accepted
time: 43ms
memory: 14496kb

input:

5
1000 9
190 765 1
212 745 3
437 798 3
682 814 3
122 289 1
44 821 1
115 448 3
400 936 2
562 639 3
1000 5
561 808 3
23 160 2
57 915 2
211 943 3
125 596 2
1000 1
398 739 2
1000 3
629 973 2
7 721 2
591 815 2
1000 10
536 708 1
217 256 2
690 913 3
418 871 2
302 325 2
334 830 2
496 573 2
396 865 1
240 837...

output:

0
0
722271060
85306976
0

result:

ok 5 tokens

Test #6:

score: 0
Accepted
time: 70ms
memory: 43352kb

input:

2
2000 1
1501 1703 2
2000 5
1230 1521 3
1022 1939 3
1241 1283 3
767 1944 2
303 1163 3

output:

841960641
0

result:

ok 2 tokens

Test #7:

score: 0
Accepted
time: 74ms
memory: 46672kb

input:

2
2000 2
640 1942 1
1473 1917 3
2000 4
490 887 1
670 1163 3
824 1434 2
1221 1746 1

output:

0
0

result:

ok 2 tokens

Test #8:

score: 0
Accepted
time: 65ms
memory: 38020kb

input:

1
5000 9
2821 3377 2
798 1535 2
3563 4161 3
2205 2946 3
1320 1594 3
278 1624 1
1243 2759 3
2882 4939 1
2639 3559 3

output:

0

result:

ok "0"

Test #9:

score: 0
Accepted
time: 216ms
memory: 212144kb

input:

1
5000 2
539 4252 1
906 3821 1

output:

101862333

result:

ok "101862333"

Test #10:

score: 0
Accepted
time: 0ms
memory: 4340kb

input:

111
34 0
30 0
18 0
35 0
3 0
43 0
13 0
28 0
57 0
75 0
31 0
4 0
92 0
1 0
53 0
85 0
74 0
43 0
59 0
72 0
79 0
40 0
70 0
36 0
86 0
56 0
53 0
66 0
50 0
100 0
60 0
74 0
50 0
51 0
92 0
49 0
50 0
78 0
95 0
4 0
59 0
44 0
92 0
84 0
7 0
75 0
99 0
56 0
54 0
13 0
27 0
33 0
22 0
80 0
14 0
79 0
29 0
39 0
21 0
97 0
...

output:

582926302
130653412
387420489
748778899
27
738321955
1594323
792294829
998064805
100094381
391960236
81
587240675
3
172815616
473062299
700031465
738321955
982583189
966670169
107644805
953271190
662963356
246336683
419186890
666021604
172815616
909419307
710104287
886041711
947749553
700031465
7101...

result:

ok 111 tokens

Test #11:

score: 0
Accepted
time: 9ms
memory: 7184kb

input:

16
350 0
453 0
485 0
361 0
498 0
149 0
433 0
435 0
279 0
240 0
166 0
152 0
393 0
159 0
219 0
222 0

output:

378029361
68761795
621961191
766744305
24977444
679213660
705815658
352340880
186665231
458529104
150230246
338768694
907169137
887128598
322586612
709838468

result:

ok 16 tokens

Test #12:

score: -100
Memory Limit Exceeded

input:

1
5000 0

output:

22443616

result: