QOJ.ac

QOJ

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
#397307#1286. Ternary String CountingmaoyitingWA 55ms18756kbC++141.2kb2024-04-23 21:52:242024-04-23 21:52:25

Judging History

你现在查看的是最新测评结果

  • [2024-04-23 21:52:25]
  • 评测
  • 测评结果:WA
  • 用时:55ms
  • 内存:18756kb
  • [2024-04-23 21:52:24]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=5e3+5,mod=1e9+7;
int t,n,m,Lj[N],Rj[N],Lk[N],Rk[N],sx[N],sy[N],f[N][N],ans;
deque<int>q[N];
void upd(int x,int y,int v){
	q[y].push_back(x);
	(sx[x]+=v)%=mod,(sy[y]+=v)%=mod,(f[x][y]+=v)%=mod;
}
void del(int x,int y){
	(sx[x]-=f[x][y])%=mod,(sy[y]-=f[x][y])%=mod,f[x][y]=0;
}
void work(int i){
	for(int k=0;k<i;k++){
		int lj=Lj[i],rj=Rj[i];
		if(!(Lk[i]<=k&&k<=Rk[i])) lj=n;
		while(q[k].size()&&q[k].front()<lj)
			del(q[k].front(),k),q[k].pop_front();
		while(q[k].size()&&q[k].back()>rj)
			del(q[k].back(),k),q[k].pop_back();
	}
}
signed main(){
	scanf("%d",&t);
	while(t--){
		scanf("%d%d",&n,&m),ans=0;
		for(int i=0;i<=n;i++)
			sx[i]=sy[i]=Lj[i]=Lk[i]=0,Rj[i]=Rk[i]=i-1,
			fill(f[i],f[i]+1+n,0),q[i].clear();
		for(int i=1,l,r,x;i<=m;i++){
			scanf("%d%d%d",&l,&r,&x);
			if(x==1) Rj[r]=min(Rj[r],l-1);
			if(x==2) Lj[r]=max(Lj[r],l),Rk[r]=min(Rk[r],l-1);
			if(x==3) Lk[r]=max(Lk[r],l);
		}
		upd(0,0,3),work(1);
		for(int i=1;i<n;i++){
			for(int j=0;j<i;j++) upd(i,j,(sx[j]+sy[j])%mod);
			work(i+1);
		}
		for(int i=0;i<n;i++)
			for(int j=0;j<n;j++) (ans+=f[i][j])%=mod;
		printf("%d\n",ans);
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 9548kb

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: 0ms
memory: 9468kb

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: 4ms
memory: 7276kb

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: 55ms
memory: 18228kb

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: -100
Wrong Answer
time: 51ms
memory: 18756kb

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
-277728947
-914693031
0

result:

wrong answer 3rd words differ - expected: '722271060', found: '-277728947'