oj.uz

Submission #875845

# Submission time Handle Problem Language Result Execution time Memory
875845 2023-11-20T15:36:48 Z Mr_Ph NoM (RMI21_nom) C++17
0 / 100
 0 ms 452 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
typedef long long ll;
typedef long long int lli;
typedef unsigned long long ull;
using namespace std;
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
ll mod=(ll)1e9+7;
ll mod1=998244353;
///the defines :)
#define endl '\n'
#define vi vector<int>
#define vll vector<ll>
#define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
#define all(arr) arr.begin(),arr.end()
#define allr(arr) arr.rbegin(),arr.rend()
#define sz size()
#define int long long
void preprocess() {}
void solve()
{
    int n,m;
    cin>>n>>m;
    vi arr;
    for(int i=1;i<=n;i++){
        arr.push_back(i);
        arr.push_back(n+i);
    }
    sort(all(arr));
    vector<pair<int,int>>xd(6);
    int ans=0;
    do
    {
        for(int i=1;i<=n;i++)xd[i]={0,0};
        for(int i=0;i<2*n;i++)
        {
            int lmao=max(arr[i],arr[i]-n);
            if(xd[lmao].first)
                xd[lmao].second=i+1;
            else xd[lmao].first=i+1;
        }
        bool valid=true;
        for(int i=1;i<=n;i++)
            if((xd[i].second-xd[i].first)%m==0)valid=false;
        ans+=valid;
    }while(next_permutation(all(arr)));
    cout<<ans%mod<<endl;
}
signed main()
{
    // freopen("meta_game_input.txt","r",stdin);
    // freopen("otput.txt","w",stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    preprocess();
    //bla();
    int t=1;
    //cin>>t;
    while(t--)
        solve();
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 452 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 452 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 452 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 452 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 48.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 452 KB Output isn't correct
4 Halted 0 ms 0 KB -