CSES - Leirikisa 5 - Results
Submission details
Task:jedan
Sender:eXeP
Submission time:2016-08-02 18:23:30 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttime
#1ACCEPTED0.06 sdetails
#2ACCEPTED0.05 sdetails
#3ACCEPTED0.06 sdetails
#4ACCEPTED0.07 sdetails
#5ACCEPTED0.06 sdetails
#60.05 sdetails
#7ACCEPTED0.06 sdetails
#8ACCEPTED0.05 sdetails
#9ACCEPTED0.05 sdetails
#10ACCEPTED0.06 sdetails
#11ACCEPTED0.06 sdetails
#12ACCEPTED0.06 sdetails
#13ACCEPTED0.05 sdetails
#14ACCEPTED0.08 sdetails
#15ACCEPTED0.08 sdetails
#16ACCEPTED0.08 sdetails
#17ACCEPTED0.07 sdetails
#18ACCEPTED0.09 sdetails
#19ACCEPTED0.08 sdetails
#20ACCEPTED0.09 sdetails
#21ACCEPTED0.08 sdetails
#22ACCEPTED0.08 sdetails
#23ACCEPTED0.08 sdetails
#24ACCEPTED0.20 sdetails
#25--details
#26--details
#27--details
#28--details
#29--details
#30--details
#31--details
#32--details
#33--details
#34--details
#35--details
#36--details
#37--details
#38--details

Code

#include <bits/stdc++.h>

#define i64 long long
#define u64 unsigned long long
#define i32 int
#define u32 unsigned int

#define pii pair<int, int>
#define pll pair<long long, long long>

#define ld long double
#define defmod 1000000007

#define mati64(a,b) vector<vector<i64>>(a, vector<i64>(b, 0));
using namespace std;


int main(){
  cin.sync_with_stdio(0);
  cin.tie(0);

  int n; cin >> n;
  int h[10101];
  for(int i = 0; i < n; ++i)
    cin >> h[i];
  
  map<int, i64> rip[10101];
  rip[0][0] = 1;
  for(int i = 0; i < n-1; ++i){
    if(h[i] == -1){
      for(auto f: rip[i]){
	if(f.first < 0)
	  continue;
	//cout << i << " " << f.first << " " << rip[i][f.first] << endl;
	rip[i][f.first]%=defmod;
	rip[i+1][f.first]+=rip[i][f.first];
	rip[i+1][f.first+1]+=rip[i][f.first];
	rip[i+1][f.first-1]+=rip[i][f.first];
	
      }
    }
    else{
      rip[i][h[i]]%=defmod;
      rip[i+1][h[i]]+=rip[i][h[i]];
      rip[i+1][h[i]-1]+=rip[i][h[i]];
      rip[i+1][h[i]+1]+=rip[i][h[i]];
    }
    
  }
  cout << rip[n-1][0]%defmod << endl;
  return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
3
-1 2 -1

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
3
-1 -1 -1

correct output
2

user output
2

Test 3

Verdict: ACCEPTED

input
6
-1 -1 -1 2 -1 -1

correct output
3

user output
3

Test 4

Verdict: ACCEPTED

input
1
-1

correct output
1

user output
1

Test 5

Verdict: ACCEPTED

input
1
0

correct output
1

user output
1

Test 6

Verdict:

input
1
1

correct output
0

user output
1

Test 7

Verdict: ACCEPTED

input
15
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
113634

user output
113634

Test 8

Verdict: ACCEPTED

input
30
-1 -1 -1 -1 -1 -1 -1 -1 7 -1 -...

correct output
33792

user output
33792

Test 9

Verdict: ACCEPTED

input
40
-1 -1 -1 -1 -1 -1 -1 6 -1 -1 -...

correct output
44058168

user output
44058168

Test 10

Verdict: ACCEPTED

input
50
-1 -1 -1 -1 4 -1 -1 -1 -1 -1 -...

correct output
885261321

user output
885261321

Test 11

Verdict: ACCEPTED

input
100
-1 -1 -1 -1 -1 -1 -1 -1 7 -1 -...

correct output
630105363

user output
630105363

Test 12

Verdict: ACCEPTED

input
200
0 -1 -1 -1 4 -1 -1 -1 -1 0 -1 ...

correct output
584749136

user output
584749136

Test 13

Verdict: ACCEPTED

input
300
-1 -1 0 -1 -1 -1 -1 -1 -1 -1 -...

correct output
440962689

user output
440962689

Test 14

Verdict: ACCEPTED

input
500
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
861085225

user output
861085225

Test 15

Verdict: ACCEPTED

input
499
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
686858355

user output
686858355

Test 16

Verdict: ACCEPTED

input
500
0 0 -1 -1 -1 3 -1 -1 -1 6 6 -1...

correct output
287620623

user output
287620623

Test 17

Verdict: ACCEPTED

input
500
0 -1 -1 1 -1 0 -1 0 -1 -1 3 -1...

correct output
132437565

user output
132437565

Test 18

Verdict: ACCEPTED

input
500
0 -1 1 -1 2 2 -1 4 -1 -1 -1 1 ...

correct output
545015067

user output
545015067

Test 19

Verdict: ACCEPTED

input
500
-1 1 1 -1 1 -1 1 -1 -1 1 -1 -1...

correct output
394701022

user output
394701022

Test 20

Verdict: ACCEPTED

input
500
0 -1 -1 2 -1 -1 -1 -1 -1 -1 -1...

correct output
287409105

user output
287409105

Test 21

Verdict: ACCEPTED

input
500
0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -...

correct output
455719894

user output
455719894

Test 22

Verdict: ACCEPTED

input
500
-1 1 -1 -1 -1 -1 -1 -1 -1 -1 -...

correct output
174226870

user output
174226870

Test 23

Verdict: ACCEPTED

input
500
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
861085225

user output
861085225

Test 24

Verdict: ACCEPTED

input
1000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
812718674

user output
812718674

Test 25

Verdict:

input
2000
-1 1 -1 -1 -1 -1 -1 -1 -1 -1 -...

correct output
93994771

user output
(empty)

Test 26

Verdict:

input
3000
-1 0 -1 -1 -1 -1 -1 -1 -1 -1 -...

correct output
335231082

user output
(empty)

Test 27

Verdict:

input
5000
0 -1 2 -1 1 2 -1 -1 5 -1 -1 7 ...

correct output
799295101

user output
(empty)

Test 28

Verdict:

input
7000
0 -1 0 0 -1 0 -1 1 0 1 0 0 -1 ...

correct output
436287141

user output
(empty)

Test 29

Verdict:

input
8000
0 -1 1 -1 3 -1 1 -1 1 0 -1 -1 ...

correct output
88524447

user output
(empty)

Test 30

Verdict:

input
10000
0 0 1 -1 -1 3 2 -1 3 -1 4 -1 5...

correct output
129950957

user output
(empty)

Test 31

Verdict:

input
10000
-1 0 -1 -1 3 2 -1 -1 -1 -1 1 -...

correct output
598246902

user output
(empty)

Test 32

Verdict:

input
10000
-1 1 0 -1 2 1 -1 1 -1 0 -1 -1 ...

correct output
105842640

user output
(empty)

Test 33

Verdict:

input
10000
0 -1 0 -1 -1 -1 4 3 -1 -1 -1 -...

correct output
133310608

user output
(empty)

Test 34

Verdict:

input
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
484205143

user output
(empty)

Test 35

Verdict:

input
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
904817827

user output
(empty)

Test 36

Verdict:

input
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
966971895

user output
(empty)

Test 37

Verdict:

input
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
664825423

user output
(empty)

Test 38

Verdict:

input
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...

correct output
681928184

user output
(empty)