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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
#470534#6397. Master of Both IIIlllei#RE 2ms4020kbC++20863b2024-07-10 14:53:112024-07-10 14:53:12

Judging History

你现在查看的是最新测评结果

  • [2024-07-10 14:53:12]
  • 评测
  • 测评结果:RE
  • 用时:2ms
  • 内存:4020kb
  • [2024-07-10 14:53:11]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int maxn=24;
const int mod=998244353;
int n;
int w[maxn];
long long dp[(1<<22)+5];
int all;
int trans(int s,int j)
{
    long long cur=s|(s<<j);
    int small=cur&all;
    return small|((cur-small)>>n);
}
int main()
{
    scanf("%d",&n);
    all=(1<<n)-1;
    for(int i=0;i<n;i++)scanf("%d",&w[i]);
    for(int i=0;i<n;i++)if(i<(n-i)%n)swap(w[i],w[(n-i)%n]);
    for(int s=0;s<=all;s++)dp[s]=1ll<<60;
    dp[1]=0;
    
    for(int s=1;s<all;s++)
    for(int j=0;j<n;j++)
    {
        int nxt=trans(s,j);
        dp[nxt]=min(dp[s]+w[j],dp[nxt]);
    } 
    int ans=0;
    for(int s=all;s>=1;s--)
    for(int i=0;i<n;i++)if(s&(1<<i))
    {
        dp[s^(1<<i)]=min(dp[s],dp[s^(1<<i)]);   
    }
    for(int s=1;s<=all;s++)ans+=dp[s]*s%mod,ans%=mod;
    printf("%d\n",ans);

}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3752kb

input:

3
2 1 2

output:

45

result:

ok 1 number(s): "45"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

4
1919810 999999998 999999997 114114514

output:

152175989

result:

ok 1 number(s): "152175989"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

3
842160586 705327547 868243944

output:

78597628

result:

ok 1 number(s): "78597628"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3944kb

input:

5
198327434 147392532 760837755 771109105 676721155

output:

751568230

result:

ok 1 number(s): "751568230"

Test #5:

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

input:

10
831766351 33417723 223739726 80131988 348810263 415437931 119999060 799356097 512022962 23197703

output:

308170104

result:

ok 1 number(s): "308170104"

Test #6:

score: 0
Accepted
time: 1ms
memory: 3820kb

input:

12
892965903 35291219 261557729 131390943 457251874 944586973 724767219 190756777 658923976 587806068 793999675 378390067

output:

964920873

result:

ok 1 number(s): "964920873"

Test #7:

score: 0
Accepted
time: 2ms
memory: 4020kb

input:

14
249132751 477356204 594343028 32906794 270726189 883801423 329535378 877124753 100792287 152414432 142520554 196476850 924736849 383197276

output:

796031217

result:

ok 1 number(s): "796031217"

Test #8:

score: -100
Runtime Error

input:

20
627365465 726842612 947302944 649244156 293375951 318148820 237155023 981487641 688151803 844901013 430309799 733877736 520864483 720366437 28746495 143052089 306590290 18586578 662663479 375430013

output:


result: