oj.uz

답안 #506229

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
506229 2022-01-11T22:56:59 Z colossal_pepe 운세 보기 2 (JOI14_fortune_telling2) C++17
4 / 100
 3000 ms 2008 KB 
#include <algorithm>
#include <cstring>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <iostream>
#include <vector>
using namespace std;
using namespace __gnu_pbds;

#define pow2(p) (1 << (p))

typedef tree<pair<int, int>, null_type, less<pair<int, int>>, rb_tree_tag,
             tree_order_statistics_node_update>
    ordered_set;

int n, k;
vector<int> a, b, t, flips;

void makePancakes() {
    vector<int> t_sorted = t;
    sort(t_sorted.begin(), t_sorted.end());
    for (int i = 0; i < n; i++) {
        flips[i] +=
            t_sorted.end() -
            lower_bound(t_sorted.begin(), t_sorted.end(), max(a[i], b[i]));
    }
}

void adjustFlips() {
    /*vector<pair<int, int>> tp(k);
    for (int i = 0; i < k; i++) {
        tp[i].first = t[i];
        tp[i].second = i;
    }
    sort(tp.begin(), tp.end());
    int st[k][20];
    memset(st, 0, sizeof(st));
    for (int i = 0; i < k; i++) {
        st[i][0] = tp[i].second;
    }
    for (int j = 1; j < 20; j++) {
        for (int i = 0; i + pow2(j) - 1 < k; i++) {
            st[i][j] = max(st[i][j - 1], st[i + pow2(j - 1)][j]);
        }
    }
    int log2[200005];
    log2[1] = 0;
    for (int i = 2; i < 200005; i++) {
        log2[i] = log2[i / 2] + 1;
    }*/
    vector<pair<int, int>> p(n);
    for (int i = 0; i < n; i++) {
        p[i].second = i;
        /*int l =
            lower_bound(tp.begin(), tp.end(), make_pair(min(a[i], b[i]), -1)) -
        tp.begin(); int r = lower_bound(tp.begin(), tp.end(),
        make_pair(max(a[i], b[i]), -1)) - tp.begin(); if (l == r) { p[i].first =
        -1; continue;
        }
        flips[i] += (b[i] > a[i]);
        int len = r - l, j = log2[r - l];
        p[i].first = max(st[l][j], st[l + len - pow2(j)][j]);*/
        p[i].first = -1;
        for (int j = 0; j < k; j++) {
            if (min(a[i], b[i]) <= t[j] and t[j] < max(a[i], b[i]))
                p[i].first = j;
        }
        if (p[i].first != -1) flips[i] += (b[i] > a[i]);
    }
    sort(p.begin(), p.end());
    int ti = 0, pi = 0;
    while (p[pi].first == -1) pi++;
    ordered_set os;
    while (ti < k) {
        os.insert({t[ti], ti});
        while (pi < n and p[pi].first == ti) {
            flips[p[pi].second] -= os.size() -
    os.order_of_key({max(a[p[pi].second], b[p[pi].second]), -1}); pi++;
        }
        ti++;
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k;
    a.resize(n), b.resize(n), flips.resize(n);
    t.resize(k);
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
    }
    for (int i = 0; i < k; i++) {
        cin >> t[i];
    }
    makePancakes();
    adjustFlips();
    long long ans = 0;
    for (int i = 0; i < n; i++) {
        if (flips[i] % 2)
            ans += b[i];
        else
            ans += a[i];
    }
    cout << ans << endl;
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 6 ms 332 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 6 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 6 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 6 ms 332 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 6 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 6 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 474 ms 1036 KB Output is correct
15 Correct 1903 ms 2008 KB Output is correct
16 Execution timed out 3069 ms 1032 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 332 KB Output is correct
4 Correct 6 ms 332 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 6 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 6 ms 332 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 4 ms 332 KB Output is correct
14 Correct 474 ms 1036 KB Output is correct
15 Correct 1903 ms 2008 KB Output is correct
16 Execution timed out 3069 ms 1032 KB Time limit exceeded
17 Halted 0 ms 0 KB -