Submission #137399

#	Time	Username	Problem	Language	Result	Execution time	Memory
137399		vardan__02	Gift (IZhO18_nicegift)	C++14	0 / 100	1657 ms	36388 KiB

nicegift

#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <cstdio>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
#define MP make_pair
#define PB push_back
ll n,k,a[1000005],m,i,j,p,q,t,u,v;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k;
    for(i=1;i<=n;i++)
    {
        cin>>a[i];
        if(a[i]!=a[1])
            t=1;
    }
    if(t==0)
    {
        if(n%k!=0)
            cout<<-1<<endl;
        else
        {
            cout<<n/k<<endl;
            cout<<a[1]<<" ";
            for(i=1;i<=n;i++)
            {
                cout<<i<<" ";
                if(i%k==0)
                {
                    cout<<endl;
                    if(i!=n)
                        cout<<a[1]<<" ";
                }
            }
        }
    }
    return 0;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 19
• Subtask 5: 0 / 51