oj.uz

답안 #246924

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
246924 2020-07-10T14:42:33 Z receed 운세 보기 2 (JOI14_fortune_telling2) C++14
100 / 100
 354 ms 30680 KB 
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <string>
#include <set>
#include <map>
#include <random>
#include <bitset>
#include <string>
#include <unordered_set>
#include <unordered_map>
#include <deque>
#include <queue>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

using namespace std;
using ll = long long;
using ul = unsigned long long;
using ld = long double;

const int N = 1 << 19;
int a[N], b[N], t[N], tr[N * 2], f[N];
vector<pair<int, int>> lq[N];

int getm(int cl, int cr, int v=1, int l=0, int r=N) {
    if (cr <= l || r <= cl)
        return -1;
    if (cl <= l && r <= cr)
        return tr[v];
    return max(getm(cl, cr, v * 2, l, (l + r) / 2), getm(cl, cr, v * 2 + 1, (l + r) / 2, r));
}

void add(int p) {
    for (int i = p; i < N; i |= (i + 1))
        f[i]++;
}

int sum(int p) {
    int s = 0;
    for (int i = p; i; i &= (i - 1))
        s += f[i - 1];
    return s;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> li;
    rep(i, n) {
        cin >> a[i] >> b[i];
        li.push_back(a[i]);
        li.push_back(b[i]);
    }
    sort(all(li));
    li.resize(unique(all(li)) - li.begin());
    rep(i, n) {
        a[i] = lower_bound(all(li), a[i]) - li.begin();
        b[i] = lower_bound(all(li), b[i]) - li.begin();
    }
    rep(i, N)
        tr[N + i] = -1;
    rep(i, k) {
        cin >> t[i];
        t[i] = lower_bound(all(li), t[i] + 1) - li.begin();
        tr[N + t[i]] = max(tr[N + t[i]], i);
    }
    for  (int i = N - 1; i > 0; i--)
        tr[i] = max(tr[i * 2], tr[i * 2 + 1]);
    rep(i, n) {
        int lp = getm(min(a[i], b[i]) + 1, max(a[i], b[i]) + 1);
        lq[lp + 1].push_back({max(a[i], b[i]), i});
    }
    ll ans = 0, ca;
    for (int i = k - 1; i >= 0; i--) {
        for (auto &pp : lq[i + 1]) {
            ca = (k - i - 1 - sum(pp.first + 1)) % 2;
            if ((a[pp.second] > b[pp.second]) ^ ca)
                ans += li[a[pp.second]];
            else
                ans += li[b[pp.second]];
        }
        add(t[i]);
    }
    for (auto &pp : lq[0]) {
        ca = (k - sum(pp.first + 1)) % 2;
        if (ca)
            ans += li[b[pp.second]];
        else
            ans += li[a[pp.second]];
    }
    cout << ans;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 16896 KB Output is correct
2 Correct 16 ms 16896 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 17 ms 16896 KB Output is correct
6 Correct 17 ms 16896 KB Output is correct
7 Correct 17 ms 16948 KB Output is correct
8 Correct 16 ms 16896 KB Output is correct
9 Correct 16 ms 16896 KB Output is correct
10 Correct 15 ms 16896 KB Output is correct
11 Correct 16 ms 16896 KB Output is correct
12 Correct 16 ms 16896 KB Output is correct
13 Correct 16 ms 16896 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 16896 KB Output is correct
2 Correct 16 ms 16896 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 17 ms 16896 KB Output is correct
6 Correct 17 ms 16896 KB Output is correct
7 Correct 17 ms 16948 KB Output is correct
8 Correct 16 ms 16896 KB Output is correct
9 Correct 16 ms 16896 KB Output is correct
10 Correct 15 ms 16896 KB Output is correct
11 Correct 16 ms 16896 KB Output is correct
12 Correct 16 ms 16896 KB Output is correct
13 Correct 16 ms 16896 KB Output is correct
14 Correct 28 ms 17528 KB Output is correct
15 Correct 44 ms 18168 KB Output is correct
16 Correct 56 ms 18676 KB Output is correct
17 Correct 71 ms 19188 KB Output is correct
18 Correct 71 ms 19188 KB Output is correct
19 Correct 70 ms 19188 KB Output is correct
20 Correct 72 ms 19188 KB Output is correct
21 Correct 68 ms 19444 KB Output is correct
22 Correct 54 ms 19060 KB Output is correct
23 Correct 54 ms 19060 KB Output is correct
24 Correct 54 ms 18932 KB Output is correct
25 Correct 54 ms 19060 KB Output is correct
26 Correct 54 ms 18804 KB Output is correct
27 Correct 62 ms 18932 KB Output is correct
28 Correct 62 ms 19060 KB Output is correct
29 Correct 64 ms 19060 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 16896 KB Output is correct
2 Correct 16 ms 16896 KB Output is correct
3 Correct 16 ms 16896 KB Output is correct
4 Correct 16 ms 16896 KB Output is correct
5 Correct 17 ms 16896 KB Output is correct
6 Correct 17 ms 16896 KB Output is correct
7 Correct 17 ms 16948 KB Output is correct
8 Correct 16 ms 16896 KB Output is correct
9 Correct 16 ms 16896 KB Output is correct
10 Correct 15 ms 16896 KB Output is correct
11 Correct 16 ms 16896 KB Output is correct
12 Correct 16 ms 16896 KB Output is correct
13 Correct 16 ms 16896 KB Output is correct
14 Correct 28 ms 17528 KB Output is correct
15 Correct 44 ms 18168 KB Output is correct
16 Correct 56 ms 18676 KB Output is correct
17 Correct 71 ms 19188 KB Output is correct
18 Correct 71 ms 19188 KB Output is correct
19 Correct 70 ms 19188 KB Output is correct
20 Correct 72 ms 19188 KB Output is correct
21 Correct 68 ms 19444 KB Output is correct
22 Correct 54 ms 19060 KB Output is correct
23 Correct 54 ms 19060 KB Output is correct
24 Correct 54 ms 18932 KB Output is correct
25 Correct 54 ms 19060 KB Output is correct
26 Correct 54 ms 18804 KB Output is correct
27 Correct 62 ms 18932 KB Output is correct
28 Correct 62 ms 19060 KB Output is correct
29 Correct 64 ms 19060 KB Output is correct
30 Correct 79 ms 18808 KB Output is correct
31 Correct 131 ms 20212 KB Output is correct
32 Correct 201 ms 21872 KB Output is correct
33 Correct 334 ms 25320 KB Output is correct
34 Correct 56 ms 19576 KB Output is correct
35 Correct 334 ms 30680 KB Output is correct
36 Correct 340 ms 30316 KB Output is correct
37 Correct 334 ms 30316 KB Output is correct
38 Correct 339 ms 30444 KB Output is correct
39 Correct 354 ms 30312 KB Output is correct
40 Correct 303 ms 29668 KB Output is correct
41 Correct 337 ms 30204 KB Output is correct
42 Correct 335 ms 30056 KB Output is correct
43 Correct 221 ms 28904 KB Output is correct
44 Correct 250 ms 28904 KB Output is correct
45 Correct 233 ms 28912 KB Output is correct
46 Correct 235 ms 28264 KB Output is correct
47 Correct 205 ms 27364 KB Output is correct
48 Correct 271 ms 29584 KB Output is correct
49 Correct 266 ms 29928 KB Output is correct