Submission #1052091

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052091		presko	NoM (RMI21_nom)	C++14	9 / 100	1006 ms	436 KiB

Main

#include<iostream>
#include<vector>
#include<algorithm>
#include<cstring>
#define MAXN 100
using namespace std;
vector<pair<int,int>> order;
int used[MAXN];
int main()
{
    int n,m;
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>m;
    for(int i=1;i<=n;i++)order.push_back({i,0});
    for(int i=1;i<=n;i++)order.push_back({i,1});
    sort(order.begin(),order.end());
    int ans=0;
    do
    {
        memset(used,0,MAXN);
        bool fl=1;
        for(int i=1;i<=2*n;i++)
        {
            if(used[order[i-1].first])
            {
                if((i-used[order[i-1].first])%m==0){fl=0;break;}
            }
            else used[order[i-1].first]=i;
        }
        if(fl)ans++;
    }while(next_permutation(order.begin(),order.end()));
    cout<<ans<<"\n";
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:21:27: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size]
   21 |         memset(used,0,MAXN);
      |                           ^

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 18
• Subtask 5: 0 / 48