제출 #235137

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
235137		Vimmer	Doktor (COCI17_doktor)	C++14	30 / 100	799 ms	131076 KiB

doktor

#include <bits/stdc++.h>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 500001
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9

using namespace std;

typedef long double ld;
typedef long long ll;

typedef short int si;

unordered_map <int, int> mp[N];

int a[N], mx[N];

int main()
{
//    freopen("input4.txt", "r", stdin); freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

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

    for (int i = 1; i <= n; i++)
    {
        int l = i, r = a[i];

        if (l > r) swap(l, r);

        if (l == r) continue;

        while (l >= 1 && r <= n)
        {
            mp[l][r - l + 1]++;

            int val = mp[l][r - l + 1];

            if (mx[l] == 0 || val > mp[l][mx[l]]) mx[l] = r - l + 1;

            l--; r++;
        }
    }

    int mxr = 0, l = 1, r = 1;

    for (int i = 1; i <= n; i++)
    {
        if (mxr < mp[i][mx[i]])
        {
            mxr = mp[i][mx[i]];

            l = a[i];

            r = a[i + mx[i] - 1];
        }
    }
    cout << l << " " << r << endl;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10