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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#697981#1286. Ternary String CountingzhanghmML 518ms251820kbC++142.9kb2024-11-01 16:42:532024-11-01 16:42:53

Judging History

你现在查看的是最新测评结果

  • [2024-11-01 16:42:53]
  • 评测
  • 测评结果:ML
  • 用时:518ms
  • 内存:251820kb
  • [2024-11-01 16:42:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair <ll,ll> pii;
typedef pair <pii,ll> piii;
const ll mod=1e9+7;
const int N=5e3+10;
ll sum1[N],sum2[N],dp[N][4];
deque <pii> q1[N],q2[N];
ll t,n,m,ans;
vector <piii> tmp;
void du()
{
	for(piii f:tmp)
	{
		ll x=f.first.first,y=f.first.second,w=f.second;
		q1[x].emplace_back(y,w);
		sum1[x]+=w;
		q2[y].emplace_back(x,w);
		sum2[y]+=w;
	}
	tmp.clear();
}
int main()
{
//	freopen("color.in","r",stdin);
//	freopen("color.out","w",stdout);
	cin>>t;
	while(t--)
	{
		ans=0;
		scanf("%lld %lld",&n,&m);
		for(int i=0;i<=n;++i)
		{
			dp[i][0]=dp[i][1]=n+1;
			dp[i][2]=dp[i][3]=0;
		}
		for(int i=1;i<=m;++i)
		{
			ll l,r,x;
			scanf("%lld %lld %lld",&l,&r,&x);
			if(x==1)
			{
				dp[r][0]=min(dp[r][0],l);
			}
			else if(x==2)
			{
				dp[r][1]=min(dp[r][1],l);
				dp[r][2]=max(dp[r][2],l);
			}
			else
			{
				dp[r][3]=max(dp[r][3],l);
			}
		}
		if(dp[1][1]!=n+1||dp[1][2]||dp[1][3])
		{
			puts("0");
			continue;
		}
		for(int i=0;i<=n;++i)
		{
			sum1[i]=sum2[i]=0;
			q1[i].clear();
			q2[i].clear();
		}
		tmp.clear();
		tmp.push_back({{0,0},3});
		du();
		for(int i=2;i<=n;++i)
		{
			for(int j=0;j<i;++j)
			{
				if(sum1[j]||sum2[j])
				{
					tmp.push_back({{i-1,j},(sum1[j]+sum2[j])%mod});
				}
			}
			du();
			for(int j=0;j<i;++j)
			{
				if(j<dp[i][0])
				{
					while(!q1[j].empty()&&(*q1[j].rbegin()).first>=dp[i][0])
					{
						sum1[j]-=(*q1[j].rbegin()).second;
						auto it=q1[j].end()-1;
						q1[j].erase(it);
					}
					while(!q2[j].empty()&&(*q2[j].rbegin()).first>=dp[i][0])
					{
						sum2[j]-=(*q2[j].rbegin()).second;
						auto it=q2[j].end()-1;
						q2[j].erase(it);
					}
				}
				else
				{
					sum1[j]=sum2[j]=0;
					q1[j].clear();
					q2[j].clear();
				}
			}
			for(int j=0;j<i;++j)
			{
				if(j<dp[i][2])
				{
					q1[j].clear();
					sum1[j]=0;
				}
				else
				{
					while(!q1[j].empty()&&(*q1[j].rbegin()).first>=dp[i][1])
					{
						sum1[j]-=(*q1[j].rbegin()).second;
						auto it=q1[j].end()-1;
						q1[j].erase(it);
					}
				}
				if(j>=dp[i][1])
				{
					q2[j].clear();
					sum2[j]=0;
				}
				else
				{
					while(!q2[j].empty()&&(*q2[j].begin()).first<dp[i][2])
					{
						sum2[j]-=(*q2[j].begin()).second;
						q2[j].erase(q2[j].begin());
					}
				}
			}
			for(int j=0;j<i;++j)
			{
				if(j>=dp[i][3])
				{
					while(!q1[j].empty()&&(*q1[j].begin()).first<dp[i][3])
					{
						sum1[j]-=(*q1[j].begin()).second;
						q1[j].erase(q1[j].begin());
					}
					while(!q2[j].empty()&&(*q2[j].begin()).first<dp[i][3])
					{
						sum2[j]-=(*q2[j].begin()).second;
						q2[j].erase(q2[j].begin());
					}
				}
				else
				{
					sum1[j]=sum2[j]=0;
					q1[j].clear();
					q2[j].clear();
				}
			}
		}
		for(int i=0;i<=n;++i)
		{
			ans=(ans+sum1[i])%mod;
		}
		printf("%lld\n",ans);
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10564kb

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: 10832kb

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: 2ms
memory: 10828kb

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: 45ms
memory: 26796kb

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: 61ms
memory: 22756kb

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: 142ms
memory: 57776kb

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: 119ms
memory: 70560kb

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: 124ms
memory: 48880kb

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: 518ms
memory: 251820kb

input:

1
5000 2
539 4252 1
906 3821 1

output:

101862333

result:

ok "101862333"

Test #10:

score: 0
Accepted
time: 3ms
memory: 10764kb

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: 25ms
memory: 14784kb

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: