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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
#189329#3371. Like1024i10041ms5140kbC++11378b2023-10-04 10:09:172023-10-04 12:15:45

answer

#include<iostream>
#define DEBUG(x) std::cerr<<#x<<'='<<x<<'\n'
typedef long long LL;
using namespace std;

const int MAX_N=1e6+5;
const int MOD=998244353;
int g[MAX_N];

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	
	g[1]=1,g[2]=2;
	int n;
	cin>>n;
	for(int i=3;i<=n;i++){
		g[i]=(g[i-1]+g[i-2])%MOD;
	}
	cout<<g[n];
	return 0;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 5
Accepted
time: 0ms
memory: 1248kb

input:

5

output:

8

result:

ok 1 number(s): "8"

Test #2:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

6

output:

13

result:

ok 1 number(s): "13"

Test #3:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

7

output:

21

result:

ok 1 number(s): "21"

Test #4:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

8

output:

34

result:

ok 1 number(s): "34"

Test #5:

score: 5
Accepted
time: 0ms
memory: 1248kb

input:

9

output:

55

result:

ok 1 number(s): "55"

Test #6:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

10

output:

89

result:

ok 1 number(s): "89"

Test #7:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

15

output:

987

result:

ok 1 number(s): "987"

Test #8:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

16

output:

1597

result:

ok 1 number(s): "1597"

Test #9:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

17

output:

2584

result:

ok 1 number(s): "2584"

Test #10:

score: 5
Accepted
time: 0ms
memory: 1252kb

input:

18

output:

4181

result:

ok 1 number(s): "4181"

Test #11:

score: 5
Accepted
time: 0ms
memory: 1248kb

input:

19

output:

6765

result:

ok 1 number(s): "6765"

Test #12:

score: 5
Accepted
time: 0ms
memory: 1248kb

input:

20

output:

10946

result:

ok 1 number(s): "10946"

Test #13:

score: 5
Accepted
time: 8ms
memory: 4848kb

input:

922175

output:

449513050

result:

ok 1 number(s): "449513050"

Test #14:

score: 5
Accepted
time: 4ms
memory: 5140kb

input:

995711

output:

935274298

result:

ok 1 number(s): "935274298"

Test #15:

score: 5
Accepted
time: 7ms
memory: 4980kb

input:

954436

output:

849533918

result:

ok 1 number(s): "849533918"

Test #16:

score: 5
Accepted
time: 0ms
memory: 4960kb

input:

951089

output:

413112677

result:

ok 1 number(s): "413112677"

Test #17:

score: 5
Accepted
time: 7ms
memory: 4944kb

input:

945909

output:

113126007

result:

ok 1 number(s): "113126007"

Test #18:

score: 5
Accepted
time: 4ms
memory: 4932kb

input:

942769

output:

816973954

result:

ok 1 number(s): "816973954"

Test #19:

score: 5
Accepted
time: 8ms
memory: 5108kb

input:

988172

output:

237307908

result:

ok 1 number(s): "237307908"

Test #20:

score: 5
Accepted
time: 3ms
memory: 4848kb

input:

920698

output:

623484658

result:

ok 1 number(s): "623484658"

Extra Test:

score: 0
Extra Test Passed