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Submission #524434

# Submission time Handle Problem Language Result Execution time Memory
524434 2022-02-09T08:19:27 Z ParsaAlizadeh Naan (JOI19_naan) C++17
29 / 100
 737 ms 63196 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

#define all(x) begin(x), end(x)
#define kill(x) return cout << x << '\n', 0
#define fst first
#define snd second

void assume(int expr) {
    if (!expr) __builtin_unreachable();
}

constexpr int N = 2e3 + 10;

struct Ratio {
    ll x, y;
    Ratio() : x(0), y(1) {}
    Ratio(ll x) : x(x), y(1) {}
    Ratio(ll x, ll y) : x(x), y(y) {
        norm();
    }
    void norm() {
        ll g = __gcd(x, y);
        x /= g;
        y /= g;
        if (y < 0) {
            x *= -1;
            y *= -1;
        }
    }
    Ratio operator+(Ratio const& r) const {
        return Ratio{x * r.y + r.x * y, y * r.y};
    }
    Ratio operator*(Ratio const& r) const {
        return Ratio{x * r.x, y * r.y};
    }
    bool operator<(Ratio const& r) const {
        return x * r.y < y * r.x;
    }
};

struct Event {
    Ratio start;
    int person, ind;

    Event(Ratio const& start, int person, int ind)
        : start(start), person(person), ind(ind) {}

    bool operator<(Event const& oth) const {
        if (ind != oth.ind)
            return ind < oth.ind;
        return start < oth.start;
    }
};

int n, L, P[N];
ll V[N][N];
vector<Event> E;
vector<Ratio> ans;
bitset<N> mark;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> L;
    for (int i = 0; i < n; i++) {
        ll S = 0;
        vector<ll> vec;
        vec.reserve(L+1);
        vec.push_back(0);
        for (int j = 0; j < L; j++) {
            cin >> V[i][j];
            S += V[i][j];
            vec.push_back(S * n);
        }
        for (int j = 1; j <= n; j++) {
            ll x = S * j;
            int k = upper_bound(all(vec), x) - begin(vec);
            k--;
            Ratio start = k;
            x -= vec[k];
            if (k < L)
                start = start + Ratio{x, n * V[i][k]};
            E.emplace_back(start, i, j);
        }
    }
    sort(all(E));
    fill(all(P), -1);
    for (auto const& e : E) {
        if (mark[e.person]) continue;
        if (P[e.ind] != -1) continue;
        P[e.ind] = e.person;
        mark[e.person] = true;
        ans.push_back(e.start);
    }
    ans.pop_back();
    for (auto const& r : ans) {
        cout << r.x << ' ' << r.y << '\n';
    }
    for (int i = 1; i <= n; i++) {
        cout << P[i]+1 << ' ';
    }
    cout << '\n';
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct

Subtask #3
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 2 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 119 ms 16308 KB Output is correct
44 Incorrect 737 ms 63196 KB X_i is not increasing
45 Halted 0 ms 0 KB -