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답안 #332679

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
332679 2020-12-03T02:45:04 Z 12tqian Naan (JOI19_naan) C++17
100 / 100
 3634 ms 189036 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; }
};

inline char gc() { // like getchar()
    static char buf[1 << 16];
    static size_t bc, be;
    if (bc >= be) {
        buf[0] = 0, bc = 0;
        be = fread(buf, 1, sizeof(buf), stdin);
    }
    return buf[bc++]; // returns 0 on EOF
}

int read_int() {
    int a, c;
    while ((a = gc()) < 40);
    if (a == '-') return -read_int();
    while ((c = gc()) >= 48) a = a * 10 + c - 480;
    return a - 48;
}

int main() {
    using namespace std;
    typedef __int128_t ll;
    ios_base::sync_with_stdio(0);
    int N, L; 
    N = read_int();
    L = read_int();
    vector<vector<ll>> V(N, vector<ll>(L));
    for (int i = 0; i < N; i++) 
        for (int j = 0; j < L; j++) {
            int x; x = read_int();
            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 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 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 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 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 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 1 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 2 ms 620 KB Output is correct
19 Correct 2 ms 620 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 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 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 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 492 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 492 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 364 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 492 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 1 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 2 ms 620 KB Output is correct
34 Correct 2 ms 620 KB Output is correct
35 Correct 2 ms 492 KB Output is correct
36 Correct 2 ms 620 KB Output is correct
37 Correct 2 ms 620 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 295 ms 14572 KB Output is correct
44 Correct 1762 ms 85996 KB Output is correct
45 Correct 554 ms 35564 KB Output is correct
46 Correct 38 ms 3948 KB Output is correct
47 Correct 1022 ms 52972 KB Output is correct
48 Correct 2766 ms 124140 KB Output is correct
49 Correct 568 ms 31980 KB Output is correct
50 Correct 3291 ms 162412 KB Output is correct
51 Correct 1095 ms 61676 KB Output is correct
52 Correct 2685 ms 143468 KB Output is correct
53 Correct 2492 ms 125164 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1300 ms 64876 KB Output is correct
56 Correct 1523 ms 87312 KB Output is correct
57 Correct 1236 ms 72684 KB Output is correct
58 Correct 2265 ms 122228 KB Output is correct
59 Correct 1252 ms 73580 KB Output is correct
60 Correct 2942 ms 188524 KB Output is correct
61 Correct 3052 ms 188356 KB Output is correct
62 Correct 3601 ms 187500 KB Output is correct
63 Correct 3421 ms 188652 KB Output is correct
64 Correct 2964 ms 188652 KB Output is correct
65 Correct 3634 ms 188524 KB Output is correct
66 Correct 3471 ms 189036 KB Output is correct
67 Correct 3000 ms 189028 KB Output is correct
68 Correct 1392 ms 86240 KB Output is correct
69 Correct 1248 ms 83052 KB Output is correct
70 Correct 1781 ms 106604 KB Output is correct
71 Correct 2061 ms 128080 KB Output is correct