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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#327072#8165. Numerous Elimination11d10xyAC ✓1ms4432kbC++20306b2024-02-14 18:36:442024-02-14 18:36:45

Judging History

你现在查看的是最新测评结果

  • [2024-02-14 18:36:45]
  • 评测
  • 测评结果:AC
  • 用时:1ms
  • 内存:4432kb
  • [2024-02-14 18:36:44]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using i64=long long;
constexpr i64 mod=998244353;
int n;
i64 f[100010],ans;
int main(){
   cin>>n;
   f[0]=1;for(int i=1;i<=n;i++)f[i]=(f[i-1]*2+1)%mod;
   for(int i=0;i<n;i++)(ans+=(f[i]+1)*(n-i-1))%=mod;
   cout<<ans*(mod+1>>1)%mod;
   return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3572kb

input:

3

output:

4

result:

ok "4"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

5

output:

26

result:

ok "26"

Test #3:

score: 0
Accepted
time: 1ms
memory: 4424kb

input:

100000

output:

538161387

result:

ok "538161387"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

1

output:

0

result:

ok "0"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3736kb

input:

5350

output:

998242641

result:

ok "998242641"

Test #6:

score: 0
Accepted
time: 1ms
memory: 4196kb

input:

62724

output:

998198137

result:

ok "998198137"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

2

output:

1

result:

ok "1"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

4

output:

11

result:

ok "11"

Test #9:

score: 0
Accepted
time: 1ms
memory: 4316kb

input:

96167

output:

998190723

result:

ok "998190723"

Test #10:

score: 0
Accepted
time: 1ms
memory: 4432kb

input:

99999

output:

269030694

result:

ok "269030694"

Test #11:

score: 0
Accepted
time: 1ms
memory: 4148kb

input:

80821

output:

998215590

result:

ok "998215590"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

691

output:

740311102

result:

ok "740311102"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

367

output:

675545966

result:

ok "675545966"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

692

output:

482378542

result:

ok "482378542"

Test #15:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

369

output:

705696260

result:

ok "705696260"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

35

output:

419430330

result:

ok "419430330"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

234

output:

490144146

result:

ok "490144146"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

327

output:

130396777

result:

ok "130396777"

Test #19:

score: 0
Accepted
time: 0ms
memory: 3700kb

input:

652

output:

117556084

result:

ok "117556084"

Test #20:

score: 0
Accepted
time: 0ms
memory: 3624kb

input:

7305

output:

11786609

result:

ok "11786609"

Test #21:

score: 0
Accepted
time: 1ms
memory: 3708kb

input:

9395

output:

870321930

result:

ok "870321930"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

9122

output:

996587272

result:

ok "996587272"

Test #23:

score: 0
Accepted
time: 0ms
memory: 3708kb

input:

8780

output:

966309924

result:

ok "966309924"

Test #24:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

7939

output:

523856979

result:

ok "523856979"

Test #25:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

1008

output:

954704138

result:

ok "954704138"

Test #26:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

8871

output:

829374169

result:

ok "829374169"

Test #27:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

8480

output:

372742505

result:

ok "372742505"

Test #28:

score: 0
Accepted
time: 1ms
memory: 4060kb

input:

70021

output:

202886229

result:

ok "202886229"

Test #29:

score: 0
Accepted
time: 1ms
memory: 3952kb

input:

41153

output:

880779931

result:

ok "880779931"

Test #30:

score: 0
Accepted
time: 1ms
memory: 4376kb

input:

86440

output:

835505974

result:

ok "835505974"

Test #31:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

19101

output:

37362176

result:

ok "37362176"

Test #32:

score: 0
Accepted
time: 1ms
memory: 4000kb

input:

55627

output:

833199493

result:

ok "833199493"

Test #33:

score: 0
Accepted
time: 1ms
memory: 3792kb

input:

30717

output:

121442010

result:

ok "121442010"

Test #34:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

10324

output:

968761253

result:

ok "968761253"

Test #35:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

32688

output:

63693036

result:

ok "63693036"

Extra Test:

score: 0
Extra Test Passed