답안 #739710

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
739710	2023-05-11T05:31:36 Z	torisasami	Job Scheduling (IOI19_job)	C++14	24 / 100	257 ms	34696 KB

// #define _GLIBCXX_DEBUG
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < int(n); i++)
#define per(i, n) for (int i = (n)-1; 0 <= i; i--)
#define rep2(i, l, r) for (int i = (l); i < int(r); i++)
#define per2(i, l, r) for (int i = (r)-1; int(l) <= i; i--)
#define each(e, v) for (auto& e : v)
#define MM << " " <<
#define pb push_back
#define eb emplace_back
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sz(x) (int)x.size()
template <typename T> void print(const vector<T>& v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
    if (v.empty()) cout << '\n';
}
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
template <typename T> bool chmax(T& x, const T& y) {
    return (x < y) ? (x = y, true) : false;
}
template <typename T> bool chmin(T& x, const T& y) {
    return (x > y) ? (x = y, true) : false;
}
template <class T>
using minheap = std::priority_queue<T, std::vector<T>, std::greater<T>>;
template <class T> using maxheap = std::priority_queue<T>;
template <typename T> int lb(const vector<T>& v, T x) {
    return lower_bound(begin(v), end(v), x) - begin(v);
}
template <typename T> int ub(const vector<T>& v, T x) {
    return upper_bound(begin(v), end(v), x) - begin(v);
}
template <typename T> void rearrange(vector<T>& v) {
    sort(begin(v), end(v));
    v.erase(unique(begin(v), end(v)), end(v));
}

// __int128_t gcd(__int128_t a, __int128_t b) {
//     if (a == 0)
//         return b;
//     if (b == 0)
//         return a;
//     __int128_t cnt = a % b;
//     while (cnt != 0) {
//         a = b;
//         b = cnt;
//         cnt = a % b;
//     }
//     return b;
// }

long long extGCD(long long a, long long b, long long& x, long long& y) {
    if (b == 0) {
        x = 1;
        y = 0;
        return a;
    }
    long long d = extGCD(b, a % b, y, x);
    y -= a / b * x;
    return d;
}

struct UnionFind {
    vector<int> data;
    int num;

    UnionFind(int sz) {
        data.assign(sz, -1);
        num = sz;
    }

    bool unite(int x, int y) {
        x = find(x), y = find(y);
        if (x == y) return (false);
        if (data[x] > data[y]) swap(x, y);
        data[x] += data[y];
        data[y] = x;
        num--;
        return (true);
    }

    int find(int k) {
        if (data[k] < 0) return (k);
        return (data[k] = find(data[k]));
    }

    int size(int k) { return (-data[find(k)]); }

    bool same(int x, int y) { return find(x) == find(y); }

    int operator[](int k) { return find(k); }
};

template <int mod> struct Mod_Int {
    int x;

    Mod_Int() : x(0) {}

    Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}

    static int get_mod() { return mod; }

    Mod_Int& operator+=(const Mod_Int& p) {
        if ((x += p.x) >= mod) x -= mod;
        return *this;
    }

    Mod_Int& operator-=(const Mod_Int& p) {
        if ((x += mod - p.x) >= mod) x -= mod;
        return *this;
    }

    Mod_Int& operator*=(const Mod_Int& p) {
        x = (int)(1LL * x * p.x % mod);
        return *this;
    }

    Mod_Int& operator/=(const Mod_Int& p) {
        *this *= p.inverse();
        return *this;
    }

    Mod_Int& operator++() { return *this += Mod_Int(1); }

    Mod_Int operator++(int) {
        Mod_Int tmp = *this;
        ++*this;
        return tmp;
    }

    Mod_Int& operator--() { return *this -= Mod_Int(1); }

    Mod_Int operator--(int) {
        Mod_Int tmp = *this;
        --*this;
        return tmp;
    }

    Mod_Int operator-() const { return Mod_Int(-x); }

    Mod_Int operator+(const Mod_Int& p) const { return Mod_Int(*this) += p; }

    Mod_Int operator-(const Mod_Int& p) const { return Mod_Int(*this) -= p; }

    Mod_Int operator*(const Mod_Int& p) const { return Mod_Int(*this) *= p; }

    Mod_Int operator/(const Mod_Int& p) const { return Mod_Int(*this) /= p; }

    bool operator==(const Mod_Int& p) const { return x == p.x; }

    bool operator!=(const Mod_Int& p) const { return x != p.x; }

    Mod_Int inverse() const {
        assert(*this != Mod_Int(0));
        return pow(mod - 2);
    }

    Mod_Int pow(long long k) const {
        Mod_Int now = *this, ret = 1;
        for (; k > 0; k >>= 1, now *= now) {
            if (k & 1) ret *= now;
        }
        return ret;
    }

    friend ostream& operator<<(ostream& os, const Mod_Int& p) {
        return os << p.x;
    }

    friend istream& operator>>(istream& is, Mod_Int& p) {
        long long a;
        is >> a;
        p = Mod_Int<mod>(a);
        return is;
    }
};

ll mpow2(ll x, ll n, ll mod) {
    ll ans = 1;
    x %= mod;
    while (n != 0) {
        if (n & 1) ans = ans * x % mod;
        x = x * x % mod;
        n = n >> 1;
    }
    ans %= mod;
    return ans;
}

template <typename T> T modinv(T a, const T& m) {
    T b = m, u = 1, v = 0;
    while (b > 0) {
        T t = a / b;
        swap(a -= t * b, b);
        swap(u -= t * v, v);
    }
    return u >= 0 ? u % m : (m - (-u) % m) % m;
}

ll divide_int(ll a, ll b) {
    if (b < 0) a = -a, b = -b;
    return (a >= 0 ? a / b : (a - b + 1) / b);
}

// const int MOD = 1000000007;
const int MOD = 998244353;
using mint = Mod_Int<MOD>;

mint mpow(mint x, ll n) {
    bool rev = n < 0;
    n = abs(n);
    mint ans = 1;
    while (n != 0) {
        if (n & 1) ans *= x;
        x *= x;
        n = n >> 1;
    }
    return (rev ? ans.inverse() : ans);
}

// ----- library -------
template <typename T>
struct Tree_Optimal_Order {
    using F = function<T(T, T)>;
    using C = function<bool(T, T)>;

    int n;
    const F f;
    const C comp;
    vector<vector<int>> g;
    vector<int> par, h, l, to;
    vector<T> val;

    // comp(i, j) == true  <=>  pref[i] < pref[j]
    Tree_Optimal_Order(int n, const F f, const C comp) : n(n), f(f), comp(comp), g(n), par(n), h(n), l(n), to(n), val(n) {}

    void add_edge(int u, int v) {
        g[u].emplace_back(v), g[v].emplace_back(u);
    }

    void dfs(int k) {
        for (auto &e: g[k]) {
            if (e != par[k])
                par[e] = k, dfs(e);
        }
    }
    
    int head(int k) {
        if (h[k] == -1)
            return k;
        return h[k] = head(h[k]);
    }

    void merge(int k) {
        int p = head(par[k]);
        h[k] = p, to[l[p]] = k, l[p] = l[k], val[p] = f(val[p], val[k]);
    }
    
    vector<int> solve(vector<T> v, int root = 0) {
        val = move(v);
        fill(par.begin(), par.end(), -1);
        dfs(root);
        fill(h.begin(), h.end(), -1);
        iota(l.begin(), l.end(), 0);
        vector<bool> vis(n, false);
        priority_queue<int, vector<int>, function<bool(int, int)>> que(
            [&](int i, int j){return comp(val[i], val[j]);}
        );
        for (int i = 0; i < n; i++) if (i != root) que.push(i);
        while (que.size()) {
            int now = que.top();
            que.pop();
            if (vis[now]) continue;
            vis[now] = true;
            merge(now);
            if (head(now) != root)
                que.push(head(now));
        }
        vector<int> ret{root};
        for (int i = 0; i < n - 1; i++)
            ret.emplace_back(to[ret.back()]);
        return ret;
    }
};

ll scheduling_cost(vector<int> p, vector<int> u, vector<int> d) {
    int n = sz(p);
    auto f = [](pii a, pii b){return make_pair(a.first + b.first, a.second + b.second);};
    auto comp = [](pii a, pii b){return a.first * b.second < a.second * b.first;};
    Tree_Optimal_Order<pii> g(n, f, comp);
    rep2(i, 1, n) g.add_edge(p[i], i);
    vector<pii> val;
    rep(i, n) val.eb(u[i], d[i]);
    auto ret = g.solve(val);
    ll ans = 0, s = 0;
    rep(i, n) s += d[ret[i]], ans += s * u[ret[i]];
    return ans;
}
// ----- library -------

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	56 ms	8824 KB	Output is correct
6	Correct	117 ms	17304 KB	Output is correct
7	Correct	177 ms	26192 KB	Output is correct
8	Correct	244 ms	34564 KB	Output is correct
9	Correct	236 ms	34628 KB	Output is correct
10	Correct	234 ms	34632 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	247 ms	34696 KB	Output is correct
13	Correct	219 ms	34680 KB	Output is correct
14	Correct	211 ms	34584 KB	Output is correct
15	Correct	217 ms	34596 KB	Output is correct
16	Correct	205 ms	34556 KB	Output is correct
17	Correct	238 ms	34568 KB	Output is correct
18	Correct	238 ms	34592 KB	Output is correct
19	Correct	220 ms	34580 KB	Output is correct
20	Correct	145 ms	34592 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	160 ms	27440 KB	Output is correct
5	Correct	145 ms	27292 KB	Output is correct
6	Correct	141 ms	27392 KB	Output is correct
7	Correct	150 ms	27384 KB	Output is correct
8	Correct	146 ms	27384 KB	Output is correct
9	Correct	145 ms	27288 KB	Output is correct
10	Correct	147 ms	27420 KB	Output is correct
11	Correct	148 ms	27324 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	300 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	7 ms	1748 KB	Output is correct
6	Correct	151 ms	27912 KB	Output is correct
7	Correct	155 ms	28028 KB	Output is correct
8	Correct	161 ms	28032 KB	Output is correct
9	Correct	146 ms	27912 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	6 ms	1488 KB	Output is correct
13	Correct	6 ms	1748 KB	Output is correct
14	Correct	162 ms	27948 KB	Output is correct
15	Correct	153 ms	27880 KB	Output is correct
16	Correct	155 ms	27940 KB	Output is correct
17	Correct	145 ms	27944 KB	Output is correct
18	Correct	166 ms	27932 KB	Output is correct
19	Correct	163 ms	27892 KB	Output is correct
20	Correct	165 ms	27940 KB	Output is correct
21	Correct	162 ms	27944 KB	Output is correct
22	Correct	160 ms	27908 KB	Output is correct
23	Correct	163 ms	27940 KB	Output is correct
24	Correct	159 ms	27936 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Incorrect	257 ms	31332 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Incorrect	212 KB	Output isn't correct
3	Halted	0 KB	-

Subtask #6
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	56 ms	8824 KB	Output is correct
6	Correct	117 ms	17304 KB	Output is correct
7	Correct	177 ms	26192 KB	Output is correct
8	Correct	244 ms	34564 KB	Output is correct
9	Correct	236 ms	34628 KB	Output is correct
10	Correct	234 ms	34632 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	247 ms	34696 KB	Output is correct
13	Correct	219 ms	34680 KB	Output is correct
14	Correct	211 ms	34584 KB	Output is correct
15	Correct	217 ms	34596 KB	Output is correct
16	Correct	205 ms	34556 KB	Output is correct
17	Correct	238 ms	34568 KB	Output is correct
18	Correct	238 ms	34592 KB	Output is correct
19	Correct	220 ms	34580 KB	Output is correct
20	Correct	145 ms	34592 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	160 ms	27440 KB	Output is correct
25	Correct	145 ms	27292 KB	Output is correct
26	Correct	141 ms	27392 KB	Output is correct
27	Correct	150 ms	27384 KB	Output is correct
28	Correct	146 ms	27384 KB	Output is correct
29	Correct	145 ms	27288 KB	Output is correct
30	Correct	147 ms	27420 KB	Output is correct
31	Correct	148 ms	27324 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	300 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	7 ms	1748 KB	Output is correct
37	Correct	151 ms	27912 KB	Output is correct
38	Correct	155 ms	28028 KB	Output is correct
39	Correct	161 ms	28032 KB	Output is correct
40	Correct	146 ms	27912 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	468 KB	Output is correct
43	Correct	6 ms	1488 KB	Output is correct
44	Correct	6 ms	1748 KB	Output is correct
45	Correct	162 ms	27948 KB	Output is correct
46	Correct	153 ms	27880 KB	Output is correct
47	Correct	155 ms	27940 KB	Output is correct
48	Correct	145 ms	27944 KB	Output is correct
49	Correct	166 ms	27932 KB	Output is correct
50	Correct	163 ms	27892 KB	Output is correct
51	Correct	165 ms	27940 KB	Output is correct
52	Correct	162 ms	27944 KB	Output is correct
53	Correct	160 ms	27908 KB	Output is correct
54	Correct	163 ms	27940 KB	Output is correct
55	Correct	159 ms	27936 KB	Output is correct
56	Correct	0 ms	212 KB	Output is correct
57	Incorrect	257 ms	31332 KB	Output isn't correct
58	Halted	0 ms	0 KB	-

답안 #739710

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 18.0

Subtask #5 0 / 21.0

Subtask #6 0 / 37.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 18.0

Subtask #5
0 / 21.0

Subtask #6
0 / 37.0