| Task: | Scorpion and frogs |
| Sender: | aalto2024a_004 |
| Submission time: | 2024-09-04 17:17:08 +0300 |
| Language: | C++11 |
| Status: | READY |
| Result: | WRONG ANSWER |
| test | verdict | time | |
|---|---|---|---|
| #1 | WRONG ANSWER | 0.00 s | details |
| #2 | WRONG ANSWER | 0.00 s | details |
| #3 | WRONG ANSWER | 0.00 s | details |
| #4 | WRONG ANSWER | 0.00 s | details |
| #5 | WRONG ANSWER | 0.00 s | details |
| #6 | WRONG ANSWER | 0.00 s | details |
| #7 | WRONG ANSWER | 0.00 s | details |
| #8 | WRONG ANSWER | 0.00 s | details |
| #9 | WRONG ANSWER | 0.00 s | details |
| #10 | WRONG ANSWER | 0.00 s | details |
| #11 | WRONG ANSWER | 0.00 s | details |
| #12 | WRONG ANSWER | 0.00 s | details |
| #13 | WRONG ANSWER | 0.00 s | details |
| #14 | WRONG ANSWER | 0.00 s | details |
| #15 | WRONG ANSWER | 0.00 s | details |
| #16 | WRONG ANSWER | 0.00 s | details |
| #17 | WRONG ANSWER | 0.00 s | details |
| #18 | WRONG ANSWER | 0.00 s | details |
| #19 | WRONG ANSWER | 0.00 s | details |
| #20 | WRONG ANSWER | 0.00 s | details |
| #21 | WRONG ANSWER | 0.00 s | details |
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| #23 | WRONG ANSWER | 0.00 s | details |
| #24 | WRONG ANSWER | 0.00 s | details |
| #25 | WRONG ANSWER | 0.00 s | details |
| #26 | WRONG ANSWER | 0.00 s | details |
| #27 | WRONG ANSWER | 0.00 s | details |
| #28 | WRONG ANSWER | 0.00 s | details |
| #29 | WRONG ANSWER | 0.00 s | details |
| #30 | WRONG ANSWER | 0.00 s | details |
| #31 | WRONG ANSWER | 0.00 s | details |
| #32 | WRONG ANSWER | 0.00 s | details |
| #33 | WRONG ANSWER | 0.00 s | details |
| #34 | WRONG ANSWER | 0.00 s | details |
| #35 | WRONG ANSWER | 0.00 s | details |
| #36 | WRONG ANSWER | 0.00 s | details |
| #37 | WRONG ANSWER | 0.00 s | details |
| #38 | WRONG ANSWER | 0.00 s | details |
| #39 | WRONG ANSWER | 0.00 s | details |
| #40 | WRONG ANSWER | 0.00 s | details |
| #41 | WRONG ANSWER | 0.00 s | details |
| #42 | WRONG ANSWER | 0.00 s | details |
| #43 | WRONG ANSWER | 0.00 s | details |
| #44 | WRONG ANSWER | 0.00 s | details |
| #45 | WRONG ANSWER | 0.00 s | details |
| #46 | WRONG ANSWER | 0.00 s | details |
| #47 | WRONG ANSWER | 0.00 s | details |
| #48 | WRONG ANSWER | 0.00 s | details |
| #49 | WRONG ANSWER | 0.00 s | details |
| #50 | WRONG ANSWER | 0.00 s | details |
| #51 | WRONG ANSWER | 0.00 s | details |
| #52 | WRONG ANSWER | 0.00 s | details |
| #53 | WRONG ANSWER | 0.00 s | details |
| #54 | WRONG ANSWER | 0.00 s | details |
| #55 | WRONG ANSWER | 0.00 s | details |
Code
#include <iostream>
#include <vector>
using namespace std;
int scorpion_cross_river(int n) {
vector<int> tb(n + 1);
tb[n] = 1;
int sum = 1;
for (int i = n - 1; i >= 0; i--) {
tb[i] = sum % 998244353 ;
sum += tb[i];
if (i + 2 <= n) {
sum -= tb[i + 2];
}
sum = (sum + 998244353) % 998244353;
}
return tb[0];
}
int main() {
int n;
cin >> n;
int result = scorpion_cross_river(n);
cout << result << endl;
return 0;
}
Test details
Test 1
Verdict: WRONG ANSWER
| input |
|---|
| 1 |
| correct output |
|---|
| 2 |
| user output |
|---|
| 1 |
Test 2
Verdict: WRONG ANSWER
| input |
|---|
| 2 |
| correct output |
|---|
| 3 |
| user output |
|---|
| 2 |
Test 3
Verdict: WRONG ANSWER
| input |
|---|
| 3 |
| correct output |
|---|
| 5 |
| user output |
|---|
| 3 |
Test 4
Verdict: WRONG ANSWER
| input |
|---|
| 4 |
| correct output |
|---|
| 8 |
| user output |
|---|
| 5 |
Test 5
Verdict: WRONG ANSWER
| input |
|---|
| 5 |
| correct output |
|---|
| 13 |
| user output |
|---|
| 8 |
Test 6
Verdict: WRONG ANSWER
| input |
|---|
| 6 |
| correct output |
|---|
| 21 |
| user output |
|---|
| 13 |
Test 7
Verdict: WRONG ANSWER
| input |
|---|
| 7 |
| correct output |
|---|
| 34 |
| user output |
|---|
| 21 |
Test 8
Verdict: WRONG ANSWER
| input |
|---|
| 8 |
| correct output |
|---|
| 55 |
| user output |
|---|
| 34 |
Test 9
Verdict: WRONG ANSWER
| input |
|---|
| 9 |
| correct output |
|---|
| 89 |
| user output |
|---|
| 55 |
Test 10
Verdict: WRONG ANSWER
| input |
|---|
| 10 |
| correct output |
|---|
| 144 |
| user output |
|---|
| 89 |
Test 11
Verdict: WRONG ANSWER
| input |
|---|
| 11 |
| correct output |
|---|
| 233 |
| user output |
|---|
| 144 |
Test 12
Verdict: WRONG ANSWER
| input |
|---|
| 12 |
| correct output |
|---|
| 377 |
| user output |
|---|
| 233 |
Test 13
Verdict: WRONG ANSWER
| input |
|---|
| 13 |
| correct output |
|---|
| 610 |
| user output |
|---|
| 377 |
Test 14
Verdict: WRONG ANSWER
| input |
|---|
| 14 |
| correct output |
|---|
| 987 |
| user output |
|---|
| 610 |
Test 15
Verdict: WRONG ANSWER
| input |
|---|
| 15 |
| correct output |
|---|
| 1597 |
| user output |
|---|
| 987 |
Test 16
Verdict: WRONG ANSWER
| input |
|---|
| 16 |
| correct output |
|---|
| 2584 |
| user output |
|---|
| 1597 |
Test 17
Verdict: WRONG ANSWER
| input |
|---|
| 17 |
| correct output |
|---|
| 4181 |
| user output |
|---|
| 2584 |
Test 18
Verdict: WRONG ANSWER
| input |
|---|
| 18 |
| correct output |
|---|
| 6765 |
| user output |
|---|
| 4181 |
Test 19
Verdict: WRONG ANSWER
| input |
|---|
| 19 |
| correct output |
|---|
| 10946 |
| user output |
|---|
| 6765 |
Test 20
Verdict: WRONG ANSWER
| input |
|---|
| 20 |
| correct output |
|---|
| 17711 |
| user output |
|---|
| 10946 |
Test 21
Verdict: WRONG ANSWER
| input |
|---|
| 30 |
| correct output |
|---|
| 2178309 |
| user output |
|---|
| 1346269 |
Test 22
Verdict: WRONG ANSWER
| input |
|---|
| 40 |
| correct output |
|---|
| 267914296 |
| user output |
|---|
| 165580141 |
Test 23
Verdict: WRONG ANSWER
| input |
|---|
| 50 |
| correct output |
|---|
| 9216450 |
| user output |
|---|
| 282683532 |
Test 24
Verdict: WRONG ANSWER
| input |
|---|
| 60 |
| correct output |
|---|
| 865709054 |
| user output |
|---|
| 1487564 |
Test 25
Verdict: WRONG ANSWER
| input |
|---|
| 70 |
| correct output |
|---|
| 659095774 |
| user output |
|---|
| 638486496 |
Test 26
Verdict: WRONG ANSWER
| input |
|---|
| 80 |
| correct output |
|---|
| 343522908 |
| user output |
|---|
| -18570552 |
Test 27
Verdict: WRONG ANSWER
| input |
|---|
| 90 |
| correct output |
|---|
| 666203437 |
| user output |
|---|
| -414466011 |
Test 28
Verdict: WRONG ANSWER
| input |
|---|
| 100 |
| correct output |
|---|
| 741707250 |
| user output |
|---|
| -880752963 |
Test 29
Verdict: WRONG ANSWER
| input |
|---|
| 200 |
| correct output |
|---|
| 319277240 |
| user output |
|---|
| -304837608 |
Test 30
Verdict: WRONG ANSWER
| input |
|---|
| 300 |
| correct output |
|---|
| 12089690 |
| user output |
|---|
| 592307993 |
Test 31
Verdict: WRONG ANSWER
| input |
|---|
| 400 |
| correct output |
|---|
| 356073916 |
| user output |
|---|
| -628977455 |
Test 32
Verdict: WRONG ANSWER
| input |
|---|
| 500 |
| correct output |
|---|
| 831535149 |
| user output |
|---|
| -284809580 |
Test 33
Verdict: WRONG ANSWER
| input |
|---|
| 600 |
| correct output |
|---|
| 627858041 |
| user output |
|---|
| 896243219 |
Test 34
Verdict: WRONG ANSWER
| input |
|---|
| 700 |
| correct output |
|---|
| 894762479 |
| user output |
|---|
| -972067165 |
Test 35
Verdict: WRONG ANSWER
| input |
|---|
| 800 |
| correct output |
|---|
| 695610340 |
| user output |
|---|
| 776723013 |
Test 36
Verdict: WRONG ANSWER
| input |
|---|
| 900 |
| correct output |
|---|
| 120428339 |
| user output |
|---|
| -658847843 |
Test 37
Verdict: WRONG ANSWER
| input |
|---|
| 1000 |
| correct output |
|---|
| 506723686 |
| user output |
|---|
| -887820463 |
Test 38
Verdict: WRONG ANSWER
| input |
|---|
| 2000 |
| correct output |
|---|
| 118272245 |
| user output |
|---|
| 333281410 |
Test 39
Verdict: WRONG ANSWER
| input |
|---|
| 3000 |
| correct output |
|---|
| 50602578 |
| user output |
|---|
| -986299669 |
Test 40
Verdict: WRONG ANSWER
| input |
|---|
| 4000 |
| correct output |
|---|
| 38687300 |
| user output |
|---|
| -457954828 |
Test 41
Verdict: WRONG ANSWER
| input |
|---|
| 5000 |
| correct output |
|---|
| 644069919 |
| user output |
|---|
| 425444797 |
Test 42
Verdict: WRONG ANSWER
| input |
|---|
| 6000 |
| correct output |
|---|
| 905964874 |
| user output |
|---|
| -274925958 |
Test 43
Verdict: WRONG ANSWER
| input |
|---|
| 7000 |
| correct output |
|---|
| 917351342 |
| user output |
|---|
| 772263142 |
Test 44
Verdict: WRONG ANSWER
| input |
|---|
| 8000 |
| correct output |
|---|
| 606465604 |
| user output |
|---|
| 258257611 |
Test 45
Verdict: WRONG ANSWER
| input |
|---|
| 9000 |
| correct output |
|---|
| 676429656 |
| user output |
|---|
| 981838343 |
Test 46
Verdict: WRONG ANSWER
| input |
|---|
| 10000 |
| correct output |
|---|
| 634342956 |
| user output |
|---|
| 821102964 |
Test 47
Verdict: WRONG ANSWER
| input |
|---|
| 20000 |
| correct output |
|---|
| 215568895 |
| user output |
|---|
| 97617084 |
Test 48
Verdict: WRONG ANSWER
| input |
|---|
| 30000 |
| correct output |
|---|
| 54808147 |
| user output |
|---|
| 16474702 |
Test 49
Verdict: WRONG ANSWER
| input |
|---|
| 40000 |
| correct output |
|---|
| 242971895 |
| user output |
|---|
| 668405803 |
Test 50
Verdict: WRONG ANSWER
| input |
|---|
| 50000 |
| correct output |
|---|
| 575576968 |
| user output |
|---|
| -546109916 |
Test 51
Verdict: WRONG ANSWER
| input |
|---|
| 60000 |
| correct output |
|---|
| 923159168 |
| user output |
|---|
| -197261240 |
Test 52
Verdict: WRONG ANSWER
| input |
|---|
| 70000 |
| correct output |
|---|
| 621454924 |
| user output |
|---|
| -67250095 |
Test 53
Verdict: WRONG ANSWER
| input |
|---|
| 80000 |
| correct output |
|---|
| 562709198 |
| user output |
|---|
| -441930981 |
Test 54
Verdict: WRONG ANSWER
| input |
|---|
| 90000 |
| correct output |
|---|
| 389404104 |
| user output |
|---|
| 908759359 |
Test 55
Verdict: WRONG ANSWER
| input |
|---|
| 100000 |
| correct output |
|---|
| 66655788 |
| user output |
|---|
| -177643126 |