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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#189273#3371. Likechendongyu10029ms8980kbC++11212b2023-10-04 09:42:102023-10-04 12:07:51

answer

#include<bits/stdc++.h>
using namespace std;
long long a[1050000];
int n;
int main()
{
	scanf("%d",&n);
	a[0]=a[1]=1;
	for(int i=2;i<=n;i++)
		a[i]=(a[i-1]+a[i-2])%998244353;
	cout<<a[n];
	return 0;
}

Details

小提示:点击横条可展开更详细的信息

Test #1:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

5

output:

8

result:

ok 1 number(s): "8"

Test #2:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

6

output:

13

result:

ok 1 number(s): "13"

Test #3:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

7

output:

21

result:

ok 1 number(s): "21"

Test #4:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

8

output:

34

result:

ok 1 number(s): "34"

Test #5:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

9

output:

55

result:

ok 1 number(s): "55"

Test #6:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

10

output:

89

result:

ok 1 number(s): "89"

Test #7:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

15

output:

987

result:

ok 1 number(s): "987"

Test #8:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

16

output:

1597

result:

ok 1 number(s): "1597"

Test #9:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

17

output:

2584

result:

ok 1 number(s): "2584"

Test #10:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

18

output:

4181

result:

ok 1 number(s): "4181"

Test #11:

score: 5
Accepted
time: 0ms
memory: 1204kb

input:

19

output:

6765

result:

ok 1 number(s): "6765"

Test #12:

score: 5
Accepted
time: 0ms
memory: 1200kb

input:

20

output:

10946

result:

ok 1 number(s): "10946"

Test #13:

score: 5
Accepted
time: 4ms
memory: 8408kb

input:

922175

output:

449513050

result:

ok 1 number(s): "449513050"

Test #14:

score: 5
Accepted
time: 0ms
memory: 8980kb

input:

995711

output:

935274298

result:

ok 1 number(s): "935274298"

Test #15:

score: 5
Accepted
time: 6ms
memory: 8656kb

input:

954436

output:

849533918

result:

ok 1 number(s): "849533918"

Test #16:

score: 5
Accepted
time: 4ms
memory: 8628kb

input:

951089

output:

413112677

result:

ok 1 number(s): "413112677"

Test #17:

score: 5
Accepted
time: 4ms
memory: 8588kb

input:

945909

output:

113126007

result:

ok 1 number(s): "113126007"

Test #18:

score: 5
Accepted
time: 3ms
memory: 8564kb

input:

942769

output:

816973954

result:

ok 1 number(s): "816973954"

Test #19:

score: 5
Accepted
time: 4ms
memory: 8920kb

input:

988172

output:

237307908

result:

ok 1 number(s): "237307908"

Test #20:

score: 5
Accepted
time: 4ms
memory: 8396kb

input:

920698

output:

623484658

result:

ok 1 number(s): "623484658"

Extra Test:

score: 0
Extra Test Passed