oj.uz

Submission #773088

# Submission time Handle Problem Language Result Execution time Memory
773088 2023-07-04T14:58:13 Z PixelCat Long Mansion (JOI17_long_mansion) C++14
10 / 100
 3000 ms 19336 KB 
/*     code by PixelCat     */
/*         meow owo         */

#include <bits/stdc++.h>
#define int LL  //__int128
#define double long double
using namespace std;
using LL = long long;
// using i128 = __int128_t;
using ull = unsigned long long;
using pii = pair<int, int>;

#define For(i, a, b) for (int i = a; i <= b; i++)
#define Fors(i, a, b, s) for (int i = a; i <= b; i += s)
#define Forr(i, a, b) for (int i = a; i >= b; i--)
#define F first
#define S second

#define eb emplace_back
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define mkp make_pair

#define MOD (int)(998244353)
// #define MOD (int)((LL)1'000'000'007)
#define INF (int)(4e18)
#define EPS (1e-6)

namespace PixelCat {

#ifdef NYAOWO
#include "/home/pixelcat/yodayo/meow/library/debug.hpp"
inline void USACO(const string &s) {
    cerr << "USACO: " << s << "\n";
}

#else
#define debug(...)
inline void timer() {}
inline void USACO(const string &s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

#endif

inline void NYA() {
    ios::sync_with_stdio(false);
    cin.tie(0);
}
inline int gcd(int a, int b) {
    return __gcd(a, b);
}
inline int lcm(int a, int b) {
    return a / gcd(a, b) * b;
}
int fpow(int b, int p, const int &mod = MOD) {
    int ans = 1;
    for (; p; p >>= 1, b = b * b % mod)
        if (p & 1) ans = ans * b % mod;
    return ans;
}
template <typename T>
inline void chmin(T &_a, const T &_b) {
    if (_b < _a) _a = _b;
}
template <typename T>
inline void chmax(T &_a, const T &_b) {
    if (_a < _b) _a = _b;
}
mt19937_64 rng(
    chrono::steady_clock::now().time_since_epoch().count());

} // namespace PixelCat
using namespace PixelCat;

const int MAXN = 500050;

int key[MAXN];
vector<int> pos[MAXN];
pii ans[MAXN];

// check if there's any key of type [k] in range [l, r]
bool check(int l, int r, int k) {
    return lower_bound(all(pos[k]), l) != upper_bound(all(pos[k]), r);
}

struct Ayaya {
    vector<int> start;
    int l, r, sl, sr;
    Ayaya(int s): start(1, s), l(s), r(s), sl(s), sr(s) {}
    int len() { return r - l + 1; }
    bool inside(int x) { return l <= x && x <= r; }
    void dead() { for(auto &i:start) ans[i] = pii(l, r); }
    bool expand(int n) {
        if(r < n && check(l, r, key[r])) {
            r++; return true;
        } else if(l > 1 && check(l, r, key[l - 1])) {
            l--; return true;
        }
        return false;
    }
};
Ayaya* merge(Ayaya *a, Ayaya *b) {
    if(sz(a->start) < sz(b->start)) swap(a, b);
    a->start.insert(a->start.end(), all(b->start));
    a->l = min(a->l, b->l);
    a->sl = min(a->sl, b->sl);
    a->r = max(a->r, b->r);
    a->sr = max(a->sr, b->sr);
    return a;
}
bool overlap(Ayaya *a, Ayaya *b) {
    return (a->inside(b->sl) || a->inside(b->sr)) &&
           (b->inside(a->sl) || b->inside(a->sr));
}

void solve(int n) {
    For(i, 1, n) {
        Ayaya aya(i);
        while(aya.expand(n));
        aya.dead();
    }
}

int32_t main() {
    NYA();
    // nyaacho >/////<
    int n; cin >> n;
    For(i, 1, n - 1) cin >> key[i];
    For(i, 1, n) {
        int k; cin >> k;
        while(k--) {
            int x; cin >> x;
            pos[x].eb(i);
        }
    }

    solve(n);
    
    int q; cin >> q;
    while(q--) {
        int x, y; cin >> x >> y;
        pii &r = ans[x];
        if(r.F <= y && y <= r.S) {
            cout << "YES\n";
        } else {
            cout << "NO\n";
        }
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 12244 KB Output is correct
2 Correct 150 ms 12284 KB Output is correct
3 Correct 726 ms 12324 KB Output is correct
4 Correct 9 ms 12220 KB Output is correct
5 Correct 147 ms 12232 KB Output is correct
6 Correct 17 ms 12248 KB Output is correct
7 Correct 13 ms 12228 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 12244 KB Output is correct
2 Correct 150 ms 12284 KB Output is correct
3 Correct 726 ms 12324 KB Output is correct
4 Correct 9 ms 12220 KB Output is correct
5 Correct 147 ms 12232 KB Output is correct
6 Correct 17 ms 12248 KB Output is correct
7 Correct 13 ms 12228 KB Output is correct
8 Correct 116 ms 18000 KB Output is correct
9 Correct 86 ms 17976 KB Output is correct
10 Correct 235 ms 18372 KB Output is correct
11 Correct 784 ms 18776 KB Output is correct
12 Correct 92 ms 17600 KB Output is correct
13 Correct 76 ms 18236 KB Output is correct
14 Correct 77 ms 18288 KB Output is correct
15 Correct 129 ms 18296 KB Output is correct
16 Correct 211 ms 18036 KB Output is correct
17 Correct 77 ms 18220 KB Output is correct
18 Correct 77 ms 18252 KB Output is correct
19 Correct 79 ms 18188 KB Output is correct
20 Correct 181 ms 18172 KB Output is correct
21 Correct 218 ms 17988 KB Output is correct
22 Correct 91 ms 18124 KB Output is correct
23 Correct 84 ms 17984 KB Output is correct
24 Correct 84 ms 18052 KB Output is correct
25 Correct 85 ms 18092 KB Output is correct
26 Correct 86 ms 18056 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3070 ms 19336 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 12244 KB Output is correct
2 Correct 150 ms 12284 KB Output is correct
3 Correct 726 ms 12324 KB Output is correct
4 Correct 9 ms 12220 KB Output is correct
5 Correct 147 ms 12232 KB Output is correct
6 Correct 17 ms 12248 KB Output is correct
7 Correct 13 ms 12228 KB Output is correct
8 Correct 116 ms 18000 KB Output is correct
9 Correct 86 ms 17976 KB Output is correct
10 Correct 235 ms 18372 KB Output is correct
11 Correct 784 ms 18776 KB Output is correct
12 Correct 92 ms 17600 KB Output is correct
13 Correct 76 ms 18236 KB Output is correct
14 Correct 77 ms 18288 KB Output is correct
15 Correct 129 ms 18296 KB Output is correct
16 Correct 211 ms 18036 KB Output is correct
17 Correct 77 ms 18220 KB Output is correct
18 Correct 77 ms 18252 KB Output is correct
19 Correct 79 ms 18188 KB Output is correct
20 Correct 181 ms 18172 KB Output is correct
21 Correct 218 ms 17988 KB Output is correct
22 Correct 91 ms 18124 KB Output is correct
23 Correct 84 ms 17984 KB Output is correct
24 Correct 84 ms 18052 KB Output is correct
25 Correct 85 ms 18092 KB Output is correct
26 Correct 86 ms 18056 KB Output is correct
27 Execution timed out 3070 ms 19336 KB Time limit exceeded
28 Halted 0 ms 0 KB -