Submission #94460

#	Time	Username	Problem	Language	Result	Execution time	Memory
94460		BigChungus	Kocka (COCI18_kocka)	C++14	28 / 70	117 ms	5088 KiB

kocka

#include <iostream>

using namespace std;

const int N = 1e5 + 7;

int l[N], r[N], u[N], d[N], a[N], minst[N], maxdr[N];

/*
3
-1 2 0
-1 0 1
2 2 1
0 0 1
*/

int main()
{
    int n;
    bool ok(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> l[i];
        if (l[i] == -1)
            l[i] = n;
    }
    for (int i = 1; i <= n; ++i) {
        cin >> r[i];
        if (r[i] == -1)
            r[i] = n;
    }
    for (int i = 1; i <= n; ++i) {
        cin >> u[i];
        if (u[i] == -1)
            u[i] = n;
    }
    for (int i = 1; i <= n; ++i) {
        cin >> d[i];
        if (d[i] == -1)
            d[i] = n;
    }
    for (int i = 1; i <= n; ++i)
        minst[i] = 1e9 + 7, maxdr[i] = -1;
    for (int i = 1; i <= n; ++i) {
        minst[n - d[i]] = min(minst[n - d[i]], i);
        maxdr[u[i] + 1] = max(minst[u[i] + 1], i);
    }
    for (int i = 1; i <= n; ++i) {
        if (minst[i] <= l[i])
            ok = 1;
        if (u[l[i] + 1] > i)
            ok = 1;
        if (d[l[i] + 1] > n - i)
            ok = 1;
        if (maxdr[i] != -1 && n - maxdr[i] > r[i])
            ok = 1;
        if (u[n - r[i]] > i)
            ok = 1;
        if (d[n - r[i]] > n - i)
            ok = 1;
    }
    for (int i = 1; i <= n; ++i)
        a[i] = l[i];
    for (int i = 1; i <= n; ++i)
        l[i] = u[n - i + 1];
    for (int i = 1; i <= n; ++i)
        u[i] = r[i];
    for (int i = 1; i <= n; ++i)
        r[i] = d[n - i + 1];
    for (int i = 1; i <= n; ++i)
        d[i] = a[i];
    for (int i = 1; i <= n; ++i)
        minst[i] = 1e9 + 7, maxdr[i] = -1;
    for (int i = 1; i <= n; ++i) {
        minst[n - d[i]] = min(minst[n - d[i]], i);
        maxdr[u[i] + 1] = max(minst[u[i] + 1], i);
    }
    for (int i = 1; i <= n; ++i) {
        if (minst[i] <= l[i])
            ok = 1;
        if (u[l[i] + 1] > i)
            ok = 1;
        if (d[l[i] + 1] > n - i)
            ok = 1;
        if (maxdr[i] != -1 && n - maxdr[i] > r[i])
            ok = 1;
        if (u[n - r[i]] > i)
            ok = 1;
        if (d[n - r[i]] > n - i)
            ok = 1;
    }
    if (ok) {
        cout << "NE";
    }
    else {
        cout << "DA";
    }
    return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14