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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#460834 | #8529. Balance of Permutation | ucup-team052# | WA | 2990ms | 68548kb | C++23 | 2.8kb | 2024-07-02 11:10:34 | 2024-07-02 11:10:34 |
Judging History
answer
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define eb emplace_back
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
#define mod 998244353
#define ll long long
#define inf 0x3f3f3f3f
#define INF 0x3f3f3f3f3f3f3f3f
inline __int128 read()
{
char ch=getchar(); int nega=1; while(!isdigit(ch)) {if(ch=='-') nega=-1; ch=getchar();}
__int128 ans=0; while(isdigit(ch)) {ans=ans*10+ch-48;ch=getchar();}
if(nega==-1) return -ans;
return ans;
}
void print(vector<int> x){for(int i=0;i<(int)x.size();i++) printf("%d%c",x[i]," \n"[i==(int)x.size()-1]);}
typedef __int128 i128;
#define N 35
i128 f[N][N][N*N*2],g[N][N][N*N*2],rk;
int n,b,a[N],rev[N],vis[N],hav[N][N],havg[N][N];
i128 calc()
{
memset(f,0,sizeof(f));
f[0][0][n*n]=1,hav[0][0]=1;
for(int i=0;i<n;i++)
{
memset(havg,0,sizeof(havg));
for(int c=0;c<=i;c++) for(int d=0;d<=i;d++) if(hav[c][d])
{
for(int k=0;k<N*N;k++) if(f[c][d][k])
{
if(a[i+1]&&rev[i+1])
{
int nk=k;
if(a[i+1]<i+1) nk+=i+1;
else nk-=i+1;
if(rev[i+1]<=i+1) nk+=i+1;
else nk-=i+1;
g[c][d][nk]+=f[c][d][k];
havg[c][d]=1;
}
else if(a[i+1])
{
int nk=k;
if(a[i+1]<i+1) nk+=i+1;
else nk-=i+1;
if(c) g[c-1][d][nk+i+1]+=f[c][d][k]*c,havg[c-1][d]=1;
g[c][d+1][nk-i-1]+=f[c][d][k],havg[c][d+1]=1;
}
else if(rev[i+1])
{
int nk=k;
if(rev[i+1]<=i+1) nk+=i+1;
else nk-=i+1;
if(d) g[c][d-1][nk+i+1]+=f[c][d][k]*d,havg[c][d-1]=1;
g[c+1][d][nk-i-1]+=f[c][d][k],havg[c+1][d]=1;
}
else
{
g[c][d][k]+=f[c][d][k],havg[c][d]=1;
if(c&&d) g[c-1][d-1][k+2*(i+1)]+=c*d*f[c][d][k],havg[c-1][d-1]=1;
if(c) g[c][d][k]+=c*f[c][d][k];
if(d) g[c][d][k]+=d*f[c][d][k];
g[c+1][d+1][k-2*(i+1)]+=f[c][d][k],havg[c+1][d+1]=1;
}
}
}
memcpy(hav,havg,sizeof(hav));
for(int c=0;c<=i+1;c++) for(int d=0;d<=i+1;d++)
{
if(hav[c][d]) memcpy(f[c][d],g[c][d],sizeof(f[c][d])),memset(g[c][d],0,sizeof(g[c][d]));
}
// for(int c=0;c<=i;c++) for(int d=0;d<=i;d++) for(int k=0;k<N*N;k++) if(f[c][d][k])
// {
// printf("f[%d][%d][%d][%d] = %d\n",i+1,c,d,k-n*n,(int)f[c][d][k]);
// }
}
return f[0][0][n*n+b];
}
signed main()
{
// cout<<sizeof(f)/1024.0/1024.0<<endl;
cin>>n>>b; rk=read();
// a[1]=1,rev[1]=1,a[2]=2,rev[2]=2;
// a[3]=6,rev[6]=3;
// long long res=calc();
// cout<<res<<endl;
// return 0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++) if(!rev[j])
{
a[i]=j;
rev[j]=i;
i128 cnt=calc();
// printf("%d %d %lld\n",i,j,(long long)cnt);
if(cnt<rk) rk-=cnt;
else break;
rev[j]=0;
}
}
for(int i=1;i<=n;i++) printf("%d%c",a[i]," \n"[i==n]);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 27ms
memory: 50940kb
input:
6 6 6
output:
1 2 6 3 4 5
result:
ok 6 numbers
Test #2:
score: 0
Accepted
time: 965ms
memory: 55448kb
input:
30 300 3030303030303030303030
output:
1 2 3 4 9 23 20 28 24 16 21 17 27 29 8 26 25 30 19 18 22 12 7 13 6 10 5 15 14 11
result:
ok 30 numbers
Test #3:
score: 0
Accepted
time: 3ms
memory: 50652kb
input:
1 0 1
output:
1
result:
ok 1 number(s): "1"
Test #4:
score: 0
Accepted
time: 4ms
memory: 50712kb
input:
2 0 1
output:
1 2
result:
ok 2 number(s): "1 2"
Test #5:
score: 0
Accepted
time: 7ms
memory: 50728kb
input:
2 2 1
output:
2 1
result:
ok 2 number(s): "2 1"
Test #6:
score: 0
Accepted
time: 28ms
memory: 50980kb
input:
5 8 3
output:
1 5 4 2 3
result:
ok 5 number(s): "1 5 4 2 3"
Test #7:
score: 0
Accepted
time: 60ms
memory: 51216kb
input:
7 20 100
output:
3 6 7 4 1 5 2
result:
ok 7 numbers
Test #8:
score: 0
Accepted
time: 23ms
memory: 51060kb
input:
7 2 6
output:
2 1 3 4 5 6 7
result:
ok 7 numbers
Test #9:
score: 0
Accepted
time: 50ms
memory: 51208kb
input:
7 24 1
output:
4 5 6 7 1 2 3
result:
ok 7 numbers
Test #10:
score: 0
Accepted
time: 73ms
memory: 51524kb
input:
7 22 360
output:
7 6 4 3 5 2 1
result:
ok 7 numbers
Test #11:
score: 0
Accepted
time: 69ms
memory: 51168kb
input:
7 20 358
output:
5 7 2 4 6 3 1
result:
ok 7 numbers
Test #12:
score: 0
Accepted
time: 111ms
memory: 51688kb
input:
10 48 10001
output:
7 5 8 9 6 10 3 4 1 2
result:
ok 10 numbers
Test #13:
score: 0
Accepted
time: 111ms
memory: 51640kb
input:
10 42 10101
output:
3 9 6 8 10 5 7 2 1 4
result:
ok 10 numbers
Test #14:
score: 0
Accepted
time: 599ms
memory: 54660kb
input:
25 300 1
output:
7 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 8 9 10 11 12 13
result:
ok 25 numbers
Test #15:
score: 0
Accepted
time: 1124ms
memory: 57452kb
input:
25 300 283788388040048639877
output:
25 24 23 22 21 20 19 18 17 16 11 12 13 14 15 10 9 8 7 5 6 4 2 1 3
result:
ok 25 numbers
Test #16:
score: 0
Accepted
time: 1016ms
memory: 56040kb
input:
26 302 105773752969551707419545
output:
19 22 25 13 17 18 23 20 10 26 16 6 5 11 14 12 24 4 3 21 1 15 7 8 2 9
result:
ok 26 numbers
Test #17:
score: 0
Accepted
time: 936ms
memory: 55780kb
input:
27 308 8781128321749037280676555
output:
16 18 17 21 25 6 20 24 22 15 27 5 7 8 2 9 26 13 1 3 14 10 23 19 4 11 12
result:
ok 27 numbers
Test #18:
score: 0
Accepted
time: 863ms
memory: 55508kb
input:
28 304 806517199954337651602356955
output:
12 17 5 16 23 26 25 15 20 2 19 7 22 24 6 13 11 10 28 8 1 21 18 14 27 3 4 9
result:
ok 28 numbers
Test #19:
score: 0
Accepted
time: 1025ms
memory: 56232kb
input:
29 322 40281026669581503094652149519
output:
16 21 10 25 17 29 9 28 2 8 26 27 22 4 3 5 18 14 19 1 23 20 15 11 13 7 6 12 24
result:
ok 29 numbers
Test #20:
score: -100
Wrong Answer
time: 2990ms
memory: 68548kb
input:
30 400 46479902466857426153849991132
output:
30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30
result:
wrong answer 1st numbers differ - expected: '25', found: '30'