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답안 #332674

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
332674 2020-12-03T02:38:43 Z 12tqian Naan (JOI19_naan) C++17
100 / 100
 3911 ms 210768 KB 
#include <bits/stdc++.h>
 
struct Frac {
    __int128_t n, d;
    Frac(__int128_t _n, __int128_t _d) {
        n = _n, d = _d;
        __int128_t g = std::__gcd(n, d); n /= g, d /= g;
        if (d < 0) n *= -1, d *= -1;
    }
    Frac(__int128_t _n) : Frac(_n, 1) {}
    Frac() : Frac(0) {}
    friend Frac abs(Frac F) { return Frac(abs(F.n), F.d); }
    friend bool operator < (const Frac& l, const Frac& r) { return l.n * r.d < r.n * l.d; }
    friend bool operator <= (const Frac& l, const Frac& r) { return l.n * r.d <= r.n * l.d; }
    friend bool operator > (const Frac& l, const Frac& r) { return l.n * r.d > r.n * l.d; }
    friend bool operator >= (const Frac& l, const Frac& r) { return l.n * r.d >= r.n * l.d; }
    friend bool operator == (const Frac& l, const Frac& r) { return l.n == r.n && l.d == r.d; }
    friend bool operator != (const Frac& l, const Frac& r) { return !(l == r); }
    Frac operator - () const { return Frac(-n, d); }
    friend Frac operator + (const Frac& l, const Frac& r) { return Frac(l.n * r.d + r.n * l.d, l.d * r.d); }
    friend Frac operator - (const Frac& l, const Frac& r) { return Frac(l.n * r.d - r.n * l.d, l.d * r.d); }
    friend Frac operator * (const Frac& l, const Frac& r) { return Frac(l.n * r.n, l.d * r.d); }
    friend Frac operator * (const Frac& l, int r) { return l * Frac(r, 1); }
    friend Frac operator * (int r, const Frac& l) { return l * r; }
    friend Frac operator / (const Frac& l, const Frac& r) { return l * Frac(r.d, r.n); }
    friend Frac operator / (const Frac& l, const int& r) { return l / Frac(r, 1); }
    friend Frac operator / (const int& l, const Frac& r) { return Frac(l, 1) / r; }
    friend Frac& operator += (Frac& l, const Frac& r) { return l = l + r; }
    friend Frac& operator -= (Frac& l, const Frac& r) { return l = l - r; }
    template <class T> friend Frac& operator *= (Frac& l, const T& r) { return l = l * r; }
    template <class T> friend Frac& operator /= (Frac& l, const T& r) { return l = l / r; }
};

int main() {
    using namespace std;
    typedef __int128_t ll;
    ios_base::sync_with_stdio(0);
    int N, L; 
    cin >> N >> L;
    vector<vector<ll>> V(N, vector<ll>(L));
    for (int i = 0; i < N; i++) 
        for (int j = 0; j < L; j++) {
            long long x; cin >> x;
            V[i][j] = x;
        }
    vector<vector<Frac>> split(N, vector<Frac>(N + 1));
    for (int i = 0; i < N; i++) {
        Frac need = 0;
        for (int j = 0; j < L; j++)
            need += V[i][j];
        need /= N;
        split[i][0] = 0;
        Frac have = 0;
        int it = 0;
        Frac at = 0;
        for (int j = 1; j <= N; j++) {
            while (have < need) {
                Frac add = (1 - at) * V[i][it];
                if (have + add <= need) {
                    have += add;
                    at = 0;
                    it++;
                } else {
                    Frac go = (need - have) / V[i][it];
                    have = need;
                    at += go;
                }
            }
            split[i][j] = it + at;
            have = 0;
        }
    }
    const int INF = 1e9;
    vector<Frac> splits(N);
    vector<int> ord(N);
    vector<bool> used(N);
    for (int i = 1; i <= N - 1; i++) {
        pair<Frac, int> best = {INF, INF};
        for (int j = 0; j < N; j++) 
            if (!used[j])
                best = min(best, {split[j][i], j});
        splits[i - 1] = best.first;
        ord[i - 1] = best.second;
        used[best.second] = true;
    }
    for (int i = 0; i < N; i++) {
        if (!used[i])
            ord.back() = i;
    }
    for (int i = 1; i < N - 1; i++) 
        splits[i] = max(splits[i], splits[i - 1]);
    for (int i = 0; i < N - 1; i++) {
        assert(splits[i - 1] <= splits[i]);
    }
    for (int i = 0; i < N - 1; i++)
        cout << (long long) splits[i].n << " " << (long long) splits[i].d << '\n';
    for (int i = 0; i < N; i++)
        cout << ord[i] + 1 << " ";
    cout << '\n';
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct

Subtask #2
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 3 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 576 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 3 ms 492 KB Output is correct
22 Correct 3 ms 492 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 492 KB Output is correct

Subtask #3
71.0 / 71.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 3 ms 492 KB Output is correct
25 Correct 3 ms 492 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 492 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 3 ms 492 KB Output is correct
34 Correct 3 ms 576 KB Output is correct
35 Correct 2 ms 492 KB Output is correct
36 Correct 3 ms 492 KB Output is correct
37 Correct 3 ms 492 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 306 ms 14572 KB Output is correct
44 Correct 1948 ms 85912 KB Output is correct
45 Correct 684 ms 35564 KB Output is correct
46 Correct 52 ms 3948 KB Output is correct
47 Correct 1247 ms 52972 KB Output is correct
48 Correct 2871 ms 124068 KB Output is correct
49 Correct 591 ms 31852 KB Output is correct
50 Correct 3433 ms 162276 KB Output is correct
51 Correct 1239 ms 61548 KB Output is correct
52 Correct 3134 ms 143468 KB Output is correct
53 Correct 2624 ms 125080 KB Output is correct
54 Correct 2 ms 492 KB Output is correct
55 Correct 1311 ms 64688 KB Output is correct
56 Correct 1714 ms 87276 KB Output is correct
57 Correct 1316 ms 72556 KB Output is correct
58 Correct 2365 ms 122220 KB Output is correct
59 Correct 1372 ms 72864 KB Output is correct
60 Correct 3203 ms 188524 KB Output is correct
61 Correct 3317 ms 188396 KB Output is correct
62 Correct 3911 ms 209284 KB Output is correct
63 Correct 3724 ms 210768 KB Output is correct
64 Correct 3353 ms 210620 KB Output is correct
65 Correct 3879 ms 197228 KB Output is correct
66 Correct 3697 ms 197256 KB Output is correct
67 Correct 3230 ms 197228 KB Output is correct
68 Correct 1553 ms 92116 KB Output is correct
69 Correct 1429 ms 90268 KB Output is correct
70 Correct 1926 ms 112504 KB Output is correct
71 Correct 2276 ms 138968 KB Output is correct