Task: | jedan |
Sender: | zxc |
Submission time: | 2016-08-02 15:52:01 +0300 |
Language: | C++ |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 100 |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.06 s | details |
#2 | ACCEPTED | 0.05 s | details |
#3 | ACCEPTED | 0.06 s | details |
#4 | ACCEPTED | 0.06 s | details |
#5 | ACCEPTED | 0.06 s | details |
#6 | ACCEPTED | 0.06 s | details |
#7 | ACCEPTED | 0.06 s | details |
#8 | ACCEPTED | 0.06 s | details |
#9 | ACCEPTED | 0.05 s | details |
#10 | ACCEPTED | 0.06 s | details |
#11 | ACCEPTED | 0.06 s | details |
#12 | ACCEPTED | 0.06 s | details |
#13 | ACCEPTED | 0.05 s | details |
#14 | ACCEPTED | 0.05 s | details |
#15 | ACCEPTED | 0.06 s | details |
#16 | ACCEPTED | 0.05 s | details |
#17 | ACCEPTED | 0.06 s | details |
#18 | ACCEPTED | 0.05 s | details |
#19 | ACCEPTED | 0.06 s | details |
#20 | ACCEPTED | 0.06 s | details |
#21 | ACCEPTED | 0.06 s | details |
#22 | ACCEPTED | 0.06 s | details |
#23 | ACCEPTED | 0.07 s | details |
#24 | ACCEPTED | 0.06 s | details |
#25 | ACCEPTED | 0.07 s | details |
#26 | ACCEPTED | 0.06 s | details |
#27 | ACCEPTED | 0.12 s | details |
#28 | ACCEPTED | 0.17 s | details |
#29 | ACCEPTED | 0.18 s | details |
#30 | ACCEPTED | 0.23 s | details |
#31 | ACCEPTED | 0.23 s | details |
#32 | ACCEPTED | 0.23 s | details |
#33 | ACCEPTED | 0.23 s | details |
#34 | ACCEPTED | 0.24 s | details |
#35 | ACCEPTED | 0.23 s | details |
#36 | ACCEPTED | 0.22 s | details |
#37 | ACCEPTED | 0.23 s | details |
#38 | ACCEPTED | 0.23 s | details |
Code
#include <bits/stdc++.h> using namespace std; const int MN = 11000; typedef long long ll; const ll MOD = 1e9+7; ll dp[MN]; ll dp2[MN]; int main() { int n; cin>>n; int x; cin>>x; if(x == 0 || x == -1) dp[0] = 1; for(int i = 0; i < n-1; ++i) { int x; cin>>x; if(x != -1) { if(x == 0) { dp2[0] = (dp[0] + dp[1])%MOD; } else { dp2[x] = (dp[x+1] + dp[x] + dp[x-1])%MOD; } } else { dp2[0] = (dp[0] + dp[1])%MOD; for(int j = 1; j < i+100; ++j) { dp2[j] = (dp[j-1] + dp[j] + dp[j+1])%MOD; } } memcpy(dp, dp2, sizeof dp); memset(dp2, 0, sizeof dp2); } cout<<dp[0]<<'\n'; }
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: ACCEPTED
input |
---|
1
1 |
correct output |
---|
0 |
user output |
---|
0 |
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: ACCEPTED
input |
---|
2000
-1 1 -1 -1 -1 -1 -1 -1 -1 -1 -... |
correct output |
---|
93994771 |
user output |
---|
93994771 |
Test 26
Verdict: ACCEPTED
input |
---|
3000
-1 0 -1 -1 -1 -1 -1 -1 -1 -1 -... |
correct output |
---|
335231082 |
user output |
---|
335231082 |
Test 27
Verdict: ACCEPTED
input |
---|
5000
0 -1 2 -1 1 2 -1 -1 5 -1 -1 7 ... |
correct output |
---|
799295101 |
user output |
---|
799295101 |
Test 28
Verdict: ACCEPTED
input |
---|
7000
0 -1 0 0 -1 0 -1 1 0 1 0 0 -1 ... |
correct output |
---|
436287141 |
user output |
---|
436287141 |
Test 29
Verdict: ACCEPTED
input |
---|
8000
0 -1 1 -1 3 -1 1 -1 1 0 -1 -1 ... |
correct output |
---|
88524447 |
user output |
---|
88524447 |
Test 30
Verdict: ACCEPTED
input |
---|
10000
0 0 1 -1 -1 3 2 -1 3 -1 4 -1 5... |
correct output |
---|
129950957 |
user output |
---|
129950957 |
Test 31
Verdict: ACCEPTED
input |
---|
10000
-1 0 -1 -1 3 2 -1 -1 -1 -1 1 -... |
correct output |
---|
598246902 |
user output |
---|
598246902 |
Test 32
Verdict: ACCEPTED
input |
---|
10000
-1 1 0 -1 2 1 -1 1 -1 0 -1 -1 ... |
correct output |
---|
105842640 |
user output |
---|
105842640 |
Test 33
Verdict: ACCEPTED
input |
---|
10000
0 -1 0 -1 -1 -1 4 3 -1 -1 -1 -... |
correct output |
---|
133310608 |
user output |
---|
133310608 |
Test 34
Verdict: ACCEPTED
input |
---|
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ... |
correct output |
---|
484205143 |
user output |
---|
484205143 |
Test 35
Verdict: ACCEPTED
input |
---|
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ... |
correct output |
---|
904817827 |
user output |
---|
904817827 |
Test 36
Verdict: ACCEPTED
input |
---|
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ... |
correct output |
---|
966971895 |
user output |
---|
966971895 |
Test 37
Verdict: ACCEPTED
input |
---|
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ... |
correct output |
---|
664825423 |
user output |
---|
664825423 |
Test 38
Verdict: ACCEPTED
input |
---|
10000
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ... |
correct output |
---|
681928184 |
user output |
---|
681928184 |