Submission #219439

#	Time	Username	Problem	Language	Result	Execution time	Memory
219439		kartel	Konstrukcija (COCI20_konstrukcija)	C++14	15 / 110	5 ms	384 KiB

Main

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N +400500
#define M ll(1e9 + 7)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;

int n, k, i;

int main()
{
    srand(time(0));
    ios_base::sync_with_stdio(0);
    iostream::sync_with_stdio(0);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
//    in("input.txt");
//    out("output.txt");
    cin >> k;
    if (k >= 1 && k <= 500)
    {
        n = 3 + k;
        cout << n << " " << 2 * (k + 1) << el;
        for (i = 1; i <= k + 1; i++) cout << "1 " << i + 1 << el;
        for (i = 1; i <= k + 1; i++) cout << i + 1 << " " << n << el;
    }
    else
    {
        vector <pair <int, int> > ve;
        k = abs(k);
        k++;
        n = 2 * (k + 1);
        for (i = 1; i <= k; i++) ve.pb({1, i + 1});
        int nx = k + 2;
        for (i = 1; i <= k; i++)
        {
            ve.pb({i + 1, k + 2});
            if (nx == k + 2)
            {
                int j = nx + 1;
                for (;j < n; j++) ve.pb({i + 1, j});
                nx++;
            }
            else ve.pb({i + 1, nx++});
        }
        nx = k + 2;
        for (i = 1; i <= k; i++) ve.pb({nx++, n});
        cout << n << " " << ve.size() << el;
        for (auto it : ve) cout << it.F << " " << it.S << el;
    }
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 60