Submission #497970

#	Time	Username	Problem	Language	Result	Execution time	Memory
497970		abc864197532	Hop (COCI21_hop)	C++17	110 / 110	52 ms	5336 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define pii pair <int, int>
#define X first
#define Y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T a, U ...b) {
    cout << a << ' ', abc(b...);
}
template <typename T> void printv(T l, T r) {
    while (l != r) cout << *l << " \n"[++l == r];
}
template <typename A, typename B> istream& operator >> (istream& o, pair<A, B> &a) {
    return o >> a.X >> a.Y;
}
template <typename A, typename B> ostream& operator << (ostream& o, pair<A, B> a) {
    return o << '(' << a.X << ", " << a.Y << ')';
}
template <typename T> ostream& operator << (ostream& o, vector<T> a) {
    if (a.empty())
        return o << "{}";
    bool is = false;
    for (T i : a) {o << (is ? ' ' : '{'), is = true, o << i;}
    return o << '}';
}
template <typename T> struct vv : vector <vector <T>> {
    vv(int n, int m, T v) : vector <vector <T>> (n, vector <T>(m, v)) {}
    vv() {}
};
template <typename T> struct vvv : vector <vv <T>> {
    vvv(int n, int m, int k, T v) : vector <vv <T>> (n, vv <T>(m, k, v)) {}
    vvv() {}
};
#ifdef Doludu
#define test(args...) abc("[" + string(#args) + "]", args)
#define owo freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#else
#define test(args...) void(0)
#define owo ios::sync_with_stdio(false); cin.tie(0)
#endif
const int mod = 1e9 + 7, N = 100010, logN = 17, K = 350, M = N * 40;

int main () {
    owo;
    int n;
    cin >> n;
    vector <lli> a(n);
    vv <int> dis(n, 3, 0);
    for (int i = 0; i < n; ++i)
        cin >> a[i];
    vv <int> ans(n, n, 0);
    for (int i = 1; i < n; ++i) {
        for (int j = 0; j < i; ++j) if (a[i] % a[j] == 0) {
            int pt = 0;
            for (int k = 1; k <= 2; ++k) {
                if (dis[j][pt] > dis[j][k])
                    pt = k;
            }
            ans[j][i] = pt;
            dis[i][pt] = max(dis[i][pt], dis[j][pt] + 1);
        }
    }
    for (int j = 1; j < n; ++j) {
        for (int i = 0; i < j; ++i)
            cout << ans[i][j] + 1 << ' ';
        cout << endl;
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 100 / 100