Submission #343226

#	Time	Username	Problem	Language	Result	Execution time	Memory
343226		Sprdalo	Gift (IZhO18_nicegift)	C++17	0 / 100	327 ms	22560 KiB

nicegift

#include <bits/stdc++.h>

using namespace std;

#define int ll
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<double> vd;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<pi> vp;
typedef vector<pl> vpl;

signed main()
{
    ios_base::sync_with_stdio(false); 
    cin.tie(nullptr); 
    cout.tie(nullptr); 
    cerr.tie(nullptr);    

    int n, k;
    cin >> n >> k;

    vi a(n);
    for (auto& i : a)
        cin >> i;

    if (n%k) return cout << "-1\n", 0;

    cout << n/k << '\n';
    for (int i = 1; i <= n; i+=k){
        cout << a[0] << ' ';
        for (int j = i; j < i+k; ++j)
            cout << j << ' ';
        cout << '\n';
    }
}

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