Submission #950577

#	Time	Username	Problem	Language	Result	Execution time	Memory
950577		Pring	Costinland (info1cup19_costinland)	C++17	100 / 100	1 ms	348 KiB

costinland

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
typedef pair<int, int> pii;

const int MXN = 50;
int x;
int n;
char c[MXN][MXN];
vector<pii> w[6] = {
    vector<pii>{},
    vector<pii>{mp(2LL, 0LL)},
    vector<pii>{mp(2LL, 0LL), mp(0LL, 2LL)},
    vector<pii>{mp(2LL, 1LL)},
    vector<pii>{mp(2LL, 0LL), mp(2LL, 1LL)},
    vector<pii>{mp(2LL, 0LL), mp(2LL, 1LL), mp(0LL, 2LL)}
};

vector<int> base6(int x) {
    vector<int> v;
    while (x) {
        v.push_back(x % 6);
        x /= 6;
    }
    return v;
}

void miku() {
    cin >> x;
    n = (x < 20 ? 5 : 49);
    FOR(i, 0, n) FOR(j, 0, n) c[i][j] = '.';
    FOR(i, 0, n - 1) {
        c[n - 1][i] = 'r';
        c[i][n - 1] = 'd';
    }
    vector<int> v = base6(x);
    FOR(i, 0, v.size() - 1) {
        int now = 2 * i;
        c[now + 0][now + 0] = 'X';
        c[now + 0][now + 1] = 'X';
        c[now + 1][now + 0] = 'X';
        c[now + 1][now + 1] = 'X';
        c[now + 2][now + 0] = 'r';
        c[now + 2][now + 1] = 'r';
        c[now + 0][now + 2] = 'd';
        c[now + 1][now + 2] = 'd';
        for (auto [dx, dy] : w[v[i]]) c[now + dx][now + dy] = 'X';
    }
    int now = 2 * (v.size() - 1);
    if (v.back() > 1) c[now + 0][now + 0] = 'X';
    if (v.back() > 2) c[now + 1][now + 0] = 'X';
    if (v.back() > 3) c[now + 0][now + 1] = 'X';
    if (v.back() > 4) c[now + 0][now + 2] = 'X';
    cout << n << ' ' << n << '\n';
    FOR(i, 0, n) {
        FOR(j, 0, n) cout << c[i][j];
        cout << '\n';
    }
}

int32_t main() {
    cin.tie(0) -> sync_with_stdio(false);
    cin.exceptions(cin.failbit);
    miku();
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80