Submission #218149

#	Time	Username	Problem	Language	Result	Execution time	Memory
218149		Vimmer	Političari (COCI20_politicari)	C++14	70 / 70	34 ms	6528 KiB

politicari

#include <bits/stdc++.h>

#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 200005
#define M ll(1000000007)

using namespace std;

typedef long long ll;

ll in[1000][1000], a[1001][1001];

int main()
{
    //freopen("mining.in","r",stdin); freopen("mining.out","w",stdout);
    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    ll n, k;

    cin >> n >> k;

    if (k == 1) {cout << 1 << endl; exit(0);}

    for (ll i = 1; i <= n; i++)
        for (ll j = 1; j <= n; j++) cin >> a[i][j];

    k--; k--;

    ll nxt = 2, tp = 1, lst = 1;

    while (k > 0)
    {
        ll nt = nxt;

        nxt = a[nxt][lst];

        lst = nt;

        if (in[nxt][lst] != 0 && k % (tp - in[nxt][lst]) != 0)  k %= (tp - in[nxt][lst]);

        in[nxt][lst] = tp;

        tp++;

        k--;
    }

    cout << nxt << endl;
}

• Subtask 1: 70 / 70