답안 #915614

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915614 2024-01-24T10:41:04 Z LOLOLO Team Contest (JOI22_team) C++17
9 / 100
96 ms 13368 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())

const int N = 3e5 + 10;
struct segtree{
    vector <int> seg;
    void ass(int n) {
        seg.assign(n * 4 + 100, 0);
    }

    void upd(int id, int l, int r, int p, int v) {
        if (l > p || r < p)
            return;

        seg[id] = max(seg[id], v);
        if (l == r)
            return;

        int m = (l + r) / 2;
        upd(id * 2, l, m, p, v);
        upd(id * 2 + 1, m + 1, r, p, v);
    }

    int get(int id, int l, int r, int u, int v) {
        if (r < u || l > v || u > v)
            return 0;

        if (l >= u && r <= v)
            return seg[id];

        int m = (l + r) / 2;
        return max(get(id * 2, l, m, u, v), get(id * 2 + 1, m + 1, r, u, v));
    }
};

segtree s1, s2;
map <int, int> mp1, mp2;
pair <int, int> best;
int n, sz;

void add(int u, int v) {
    int se = s1.get(1, 1, sz, 1, mp1[u] - 1);
    if (se > v) {
        best = max(best, {u, se});
    }

    int fi = s2.get(1, 1, sz, 1, mp2[v] - 1);
    if (fi > u) {
        best = max(best, {fi, u});
    }

    s1.upd(1, 1, sz, mp1[u], v);
    s2.upd(1, 1, sz, mp2[v], u);
}

ll solve() {
    cin >> n;
    sz = n + 10;
    s1.ass(n + 10);
    s2.ass(n + 10);

    vector < vector <int>> v(n);
    for (auto &x : v) {
        x.resize(3);
        cin >> x[0] >> x[1] >> x[2];
        mp1[x[1]];
        mp2[x[2]];
    }

    int t1 = 1, t2 = 1;
    for (auto &x : mp1) {
        x.s = t1++;
    }

    for (auto &x : mp2) {
        x.s = t2++;
    }

    sort(all(v));
    int j = 0, ans = -1;

    for (int i = 0; i < n; i++) {
        while (v[j][0] < v[i][0]) {
            add(v[j][1], v[j][2]);
            j++;
        }

        if (best.f > v[i][1] && best.s > v[i][2]) {
            ans = max(ans, best.f + best.s + v[i][0]);
        }
    }

    return ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    //cin >> t;
    while (t--) {
        cout << solve() << '\n';
    }

    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Incorrect 1 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Incorrect 1 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 75 ms 13192 KB Output is correct
12 Correct 49 ms 9048 KB Output is correct
13 Correct 60 ms 10836 KB Output is correct
14 Correct 76 ms 13368 KB Output is correct
15 Correct 51 ms 13136 KB Output is correct
16 Correct 36 ms 13148 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 75 ms 13192 KB Output is correct
12 Correct 49 ms 9048 KB Output is correct
13 Correct 60 ms 10836 KB Output is correct
14 Correct 76 ms 13368 KB Output is correct
15 Correct 51 ms 13136 KB Output is correct
16 Correct 36 ms 13148 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 500 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 96 ms 13288 KB Output is correct
23 Correct 86 ms 12856 KB Output is correct
24 Correct 63 ms 9648 KB Output is correct
25 Incorrect 87 ms 13136 KB Output isn't correct
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 75 ms 13192 KB Output is correct
12 Correct 49 ms 9048 KB Output is correct
13 Correct 60 ms 10836 KB Output is correct
14 Correct 76 ms 13368 KB Output is correct
15 Correct 51 ms 13136 KB Output is correct
16 Correct 36 ms 13148 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 500 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 96 ms 13288 KB Output is correct
23 Correct 86 ms 12856 KB Output is correct
24 Correct 63 ms 9648 KB Output is correct
25 Incorrect 87 ms 13136 KB Output isn't correct
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 75 ms 13192 KB Output is correct
12 Correct 49 ms 9048 KB Output is correct
13 Correct 60 ms 10836 KB Output is correct
14 Correct 76 ms 13368 KB Output is correct
15 Correct 51 ms 13136 KB Output is correct
16 Correct 36 ms 13148 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 500 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 96 ms 13288 KB Output is correct
23 Correct 86 ms 12856 KB Output is correct
24 Correct 63 ms 9648 KB Output is correct
25 Incorrect 87 ms 13136 KB Output isn't correct
26 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Incorrect 1 ms 348 KB Output isn't correct
16 Halted 0 ms 0 KB -