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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#289053#5817. 小学生数学题allen2010y0 59ms3604kbC++14360b2023-12-23 15:01:422023-12-23 15:01:42

Judging History

你现在查看的是最新测评结果

  • [2023-12-23 15:01:42]
  • 评测
  • 测评结果:0
  • 用时:59ms
  • 内存:3604kb
  • [2023-12-23 15:01:42]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int mod=998244353;
int fspow(int a,int n)
{
	int ans=a;
	while(n)
	{
		ans*=ans;
		ans%=mod;
		if(n&1) n--,ans*=a,ans%=mod;
		n>>=1;
	}
	return ans;
}
int main()
{
	long long n,k,ans=0,last=1;
	cin>>n>>k;
	for(int i=2;i<=n-1;i++)
	{
		ans+=i;
		ans%=mod;
	}
	cout<<ans;
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 0
Wrong Answer
time: 28ms
memory: 3596kb

input:

9450395 1

output:

513460065

result:

wrong answer 1st lines differ - expected: '688545438', found: '513460065'

Test #2:

score: 0
Wrong Answer
time: 27ms
memory: 3420kb

input:

8978812 1

output:

421002125

result:

wrong answer 1st lines differ - expected: '334565356', found: '421002125'

Test #3:

score: 0
Wrong Answer
time: 27ms
memory: 3368kb

input:

8944235 1

output:

14170784

result:

wrong answer 1st lines differ - expected: '982802915', found: '14170784'

Test #4:

score: 0
Wrong Answer
time: 22ms
memory: 3304kb

input:

7081118 3

output:

205598807

result:

wrong answer 1st lines differ - expected: '599009773', found: '205598807'

Test #5:

score: 0
Wrong Answer
time: 24ms
memory: 3300kb

input:

7904241 3

output:

448402490

result:

wrong answer 1st lines differ - expected: '871243720', found: '448402490'

Test #6:

score: 0
Wrong Answer
time: 30ms
memory: 3544kb

input:

9921275 3

output:

400760568

result:

wrong answer 1st lines differ - expected: '549818101', found: '400760568'

Test #7:

score: 0
Wrong Answer
time: 53ms
memory: 3428kb

input:

17575748 14135489

output:

92573952

result:

wrong answer 1st lines differ - expected: '69236780', found: '92573952'

Test #8:

score: 0
Wrong Answer
time: 59ms
memory: 3604kb

input:

19858362 14822524

output:

43150368

result:

wrong answer 1st lines differ - expected: '239890381', found: '43150368'

Test #9:

score: 0
Wrong Answer
time: 56ms
memory: 3436kb

input:

18848696 15530895

output:

76653862

result:

wrong answer 1st lines differ - expected: '88125041', found: '76653862'

Test #10:

score: 0
Wrong Answer
time: 53ms
memory: 3304kb

input:

17787945 13890407

output:

724971040

result:

wrong answer 1st lines differ - expected: '989967864', found: '724971040'