oj.uz

Submission #752812

# Submission time Handle Problem Language Result Execution time Memory
752812 2023-06-04T01:38:35 Z winter0101 Permutation (APIO22_perm) C++17
100 / 100
 2 ms 360 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma,popcnt")
#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define lastbit(i) __builtin_ctz(i)
vector<int> construct_permutation(long long k){
   if (k==1)return {};
   if (k==2)return {0};
   for(int pr:{2,3,5,7,11,13}){
    if (k%pr==0&&k>pr){
        vector<int>l=construct_permutation(k/pr);
        vector<int>r=construct_permutation(pr);
        for (auto &v:r){
            v+=l.size();
        }
        l.insert(l.end(),all(r));
        return l;
    }
   }
   auto temp=construct_permutation(k>>1);
   temp.pb(sz(temp));
   for (auto &v:temp)v++;
   temp.pb(0);
   return temp;
}
/*signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen(".INP","r",stdin);
    //freopen(".OUT","w",stdout);
    for1(i,2,100000){
    vector<int>vl=construct_permutation(i);
    vector<int>dp;
    dp.resize(sz(vl));
    long long ans=1;
    for1(j,0,sz(vl)-1){
    dp[j]=1;
    for1(k,0,j-1){
    if (vl[k]<vl[j]){
        dp[j]+=dp[k];
    }
    }
    ans+=dp[j];
    }
    if (ans!=i){
        cout<<"vcl "<<i<<" "<<ans<<'\n';
        for1(j,0,sz(vl)-1){
        cout<<vl[j]<<" ";
        }
        return 0;
    }
    }
}*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
90.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 2 ms 296 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 360 KB Output is correct
8 Correct 2 ms 304 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct