Submission #658743

# Submission time Handle Problem Language Result Execution time Memory
658743 2022-11-14T19:45:04 Z stevancv Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
839 ms 59404 KB
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 2;
const int inf = 2e9;
int st[12 * N];
void Add(int node, int l, int r, int x, int y) {
    smax(st[node], y);
    if (l == r) return;
    int mid = l + r >> 1;
    if (x <= mid) Add(2 * node, l, mid, x, y);
    else Add(2 * node + 1, mid + 1, r, x, y);
}
int Get(int node, int l, int r, int ql, int qr) {
    if (r < ql || qr < l || ql > qr) return -1;
    if (ql <= l && r <= qr) return st[node];
    int mid = l + r >> 1;
    return max(Get(2 * node, l, mid, ql, qr), Get(2 * node + 1, mid + 1, r, ql, qr));
}
int bit[3 * N];
void AddBit(int x) {
    x += 1;
    for (; x > 0; x -= x & (-x)) bit[x]++;
}
int GetBit(int x) {
    x += 1; int ans = 0;
    for (; x < 3 * N; x += x & (-x)) ans += bit[x];
    return ans;
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> a(n), b(n), c(k);
    vector<int> all;
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
        all.push_back(a[i]);
        all.push_back(b[i]);
    }
    for (int i = 0; i < k; i++) {
        cin >> c[i];
        all.push_back(c[i]);
    }
    sort(all.begin(), all.end());
    all.erase(unique(all.begin(), all.end()), all.end());
    map<int, int> mp;
    int sz = all.size();
    for (int i = 0; i < all.size(); i++) {
        mp[all[i]] = i;
    }
    for (int i = 0; i < n; i++) {
        a[i] = mp[a[i]];
        b[i] = mp[b[i]];
    }
    for (int i = 0; i < k; i++) {
        c[i] = mp[c[i]];
    }
    for (int i = 1; i <= 12 * n; i++) st[i] = -1;
    for (int i = 0; i < k; i++) Add(1, 0, sz - 1, c[i], i);
    vector<int> v(n);
    vector<array<int, 3>> svi;
    for (int i = 0; i < n; i++) {
        int A = min(a[i], b[i]); int B = max(a[i], b[i]);
        v[i] = Get(1, 0, sz - 1, A, B - 1);
        svi.push_back({v[i], 1, i});
    }
    for (int i = 0; i < k; i++) svi.push_back({i, 0, i});
    sort(svi.begin(), svi.end(), [&] (array<int, 3> c1, array<int, 3> c2) {
        if (c1[0] != c2[0]) return c1[0] > c2[0];
        return c1[1] < c2[1];
    });
    ll fina = 0;
    for (auto u : svi) {
        if (u[1] == 0) AddBit(c[u[2]]);
        else {
            int i = u[2];
            int A = min(a[i], b[i]);
            int B = max(a[i], b[i]);
            int x = GetBit(B) % 2;
            if (v[i] == -1) {
                if (x) fina += all[b[i]];
                else fina += all[a[i]];
                continue;
            }
            if (x) fina += all[A];
            else fina += all[B];
        }
    }
    for (int i = 0; i < n; i++) {
        int cur = a[i];
        for (int j = 0; j < k; j++) {
            if (cur <= c[j]) cur = a[i] + b[i] - cur;
        }
    }
    cout << fina << en;
    return 0;
}
/*
5 5
2 6
3 8
7 2
5 3
4 3
3
2
7
9
6*/

Compilation message

fortune_telling2.cpp: In function 'void Add(int, int, int, int, int)':
fortune_telling2.cpp:15:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   15 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int Get(int, int, int, int, int)':
fortune_telling2.cpp:22:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for (int i = 0; i < all.size(); i++) {
      |                     ~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 508 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 508 KB Output is correct
14 Correct 23 ms 3244 KB Output is correct
15 Correct 44 ms 6100 KB Output is correct
16 Correct 69 ms 9024 KB Output is correct
17 Correct 111 ms 12040 KB Output is correct
18 Correct 97 ms 12036 KB Output is correct
19 Correct 96 ms 11980 KB Output is correct
20 Correct 104 ms 12044 KB Output is correct
21 Correct 96 ms 11924 KB Output is correct
22 Correct 67 ms 9696 KB Output is correct
23 Correct 59 ms 8712 KB Output is correct
24 Correct 52 ms 7992 KB Output is correct
25 Correct 64 ms 10192 KB Output is correct
26 Correct 62 ms 9192 KB Output is correct
27 Correct 76 ms 10164 KB Output is correct
28 Correct 68 ms 10056 KB Output is correct
29 Correct 80 ms 11036 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 2 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 1 ms 592 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 2 ms 508 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 2 ms 508 KB Output is correct
14 Correct 23 ms 3244 KB Output is correct
15 Correct 44 ms 6100 KB Output is correct
16 Correct 69 ms 9024 KB Output is correct
17 Correct 111 ms 12040 KB Output is correct
18 Correct 97 ms 12036 KB Output is correct
19 Correct 96 ms 11980 KB Output is correct
20 Correct 104 ms 12044 KB Output is correct
21 Correct 96 ms 11924 KB Output is correct
22 Correct 67 ms 9696 KB Output is correct
23 Correct 59 ms 8712 KB Output is correct
24 Correct 52 ms 7992 KB Output is correct
25 Correct 64 ms 10192 KB Output is correct
26 Correct 62 ms 9192 KB Output is correct
27 Correct 76 ms 10164 KB Output is correct
28 Correct 68 ms 10056 KB Output is correct
29 Correct 80 ms 11036 KB Output is correct
30 Correct 205 ms 20680 KB Output is correct
31 Correct 314 ms 29528 KB Output is correct
32 Correct 482 ms 38832 KB Output is correct
33 Correct 815 ms 59220 KB Output is correct
34 Correct 170 ms 19084 KB Output is correct
35 Correct 803 ms 59252 KB Output is correct
36 Correct 812 ms 59288 KB Output is correct
37 Correct 837 ms 59224 KB Output is correct
38 Correct 803 ms 59340 KB Output is correct
39 Correct 795 ms 59188 KB Output is correct
40 Correct 677 ms 59116 KB Output is correct
41 Correct 839 ms 59404 KB Output is correct
42 Correct 837 ms 59268 KB Output is correct
43 Correct 416 ms 57816 KB Output is correct
44 Correct 411 ms 57948 KB Output is correct
45 Correct 412 ms 58224 KB Output is correct
46 Correct 386 ms 42428 KB Output is correct
47 Correct 306 ms 37648 KB Output is correct
48 Correct 497 ms 49316 KB Output is correct
49 Correct 473 ms 49204 KB Output is correct