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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#470534 | #6397. Master of Both III | lllei# | RE | 2ms | 4020kb | C++20 | 863b | 2024-07-10 14:53:11 | 2024-07-10 14:53:12 |
Judging History
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);
}
Details
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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