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답안 #885907

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
885907 2023-12-11T03:25:35 Z vjudge1 운세 보기 2 (JOI14_fortune_telling2) C++17
100 / 100
 180 ms 28624 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ull unsigned long long
#define pii pair<int,int>
#define pll pair<long long, long long>
#define fi first
#define se second
#define all(a) (a).begin(), (a).end()

#define TASKNAME "NAME"

void init()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ///freopen(TASKNAME".INP","r",stdin); freopen(TASKNAME".OUT","w",stdout);
}

const int SZ = 2e5+5;
const ll INF = INT_MAX / 2, MOD = 1e9+7, INFLL = 2e18;
const double epsilon = 1e-3;

int n,k, b[SZ], st[19][SZ];
pii a[SZ], c[SZ];

void rmqC()
{
    for(int i = 1; i <= k; i++)
    {
        st[0][i] = c[i].se;
    }
    for(int j = 1; j <= 18; j++)
    {
        for(int i = 1; i + (1 << j) - 1 <= k; i++)
        {
            st[j][i] = max(st[j-1][i], st[j-1][i + (1 << (j-1)) ]);
        }
    }
}

int getMax(int lo, int hi)
{
    if(lo > hi) return 0;
    int k = __lg(hi - lo + 1);
    return max(st[k][lo], st[k][hi - (1 << k) + 1 ]);
}

struct Card
{
    int x,y, pos;
    Card(int _x = 0, int _y = 0, int _pos = 0) : x(_x), y(_y), pos(_pos) {}

    bool operator < (const Card& other) const
    {
        return pos > other.pos;
    }
} cards[SZ];

int lwb(int x)
{
    int lo = 1, hi = k, mid;
    while(lo <= hi)
    {
        mid = (lo + hi) / 2;
        if(c[mid].fi >= x)
        {
            hi = mid-1;
        } else
        {
            lo = mid+1;
        }
    }
    return lo;
}

vector<int> cprs;
ll res = 0;

struct FenwickTree
{
    int nodes[SZ];
    void update(int pos)
    {
        while(pos > 0)
        {
            nodes[pos]++;
            pos -= pos & (-pos);
        }
    }

    int query(int pos)
    {
        int sum = 0;
        while(pos <= k)
        {
            sum += nodes[pos];
            pos += pos & (-pos);
        }
        return sum;
    }
} ft;

int main()
{
    init();
    cin >> n >> k;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i].fi >> a[i].se;
    }
    for(int i = 1; i <= k; i++)
    {
        cin >> b[i];
        cprs.push_back(b[i]);
        c[i] = {b[i],i};
    }
    sort(c + 1, c + k + 1);
    rmqC();
    for(int i = 1; i <= n; i++)
    {
        int pos1 = lwb(min(a[i].fi,a[i].se)) , pos2 = lwb(max(a[i].fi,a[i].se)) - 1;
        cards[i] = {a[i].fi, a[i].se, getMax(pos1, pos2) };
        //cout << pos1 << " " << pos2 << " " <<getMax(pos1, pos2) << '\n';
    }
    sort(cards + 1, cards + n + 1);
    sort(all(cprs));
    for(int i = 1; i <= k; i++)
    {
        b[i] = lower_bound(all(cprs), b[i]) - cprs.begin() + 1;
    }
    b[0] = 0;
    int j = k;
    for(int i = 1; i <= n; i++)
    {
        int x = cards[i].x, y = cards[i].y, pos = cards[i].pos;
        if(pos != 0 && x < y) swap(x,y);
        //cout << x << " " << y << " " << pos << '\n';
        while(j > pos)
        {
            ft.update(b[j]);
            //cout << "updated " << j << '\n';
            j--;
        }
        //cout << '\n';
        if(pos != 0)
        {
            int cur = ft.query(b[pos]+1);
            if(cur % 2 == 1) res += 1LL*y;
            else res += 1LL*x;
        }
        else
        {
            int mx = max(x,y);
            int p = lower_bound(all(cprs), mx) - cprs.begin() + 1;
            int cur = ft.query(p);
            if(cur % 2 == 1) res += 1LL*y;
            else res += 1LL*x;
        }
    }
    cout << res;
}

/*
5 3
4 6
9 1
8 8
4 2
3 7
8
2
9
*/

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14684 KB Output is correct
2 Correct 3 ms 14684 KB Output is correct
3 Correct 3 ms 14684 KB Output is correct
4 Correct 2 ms 14820 KB Output is correct
5 Correct 3 ms 14816 KB Output is correct
6 Correct 3 ms 14680 KB Output is correct
7 Correct 3 ms 14680 KB Output is correct
8 Correct 3 ms 14684 KB Output is correct
9 Correct 2 ms 14684 KB Output is correct
10 Correct 2 ms 14680 KB Output is correct
11 Correct 3 ms 14684 KB Output is correct
12 Correct 2 ms 14680 KB Output is correct
13 Correct 2 ms 14684 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14684 KB Output is correct
2 Correct 3 ms 14684 KB Output is correct
3 Correct 3 ms 14684 KB Output is correct
4 Correct 2 ms 14820 KB Output is correct
5 Correct 3 ms 14816 KB Output is correct
6 Correct 3 ms 14680 KB Output is correct
7 Correct 3 ms 14680 KB Output is correct
8 Correct 3 ms 14684 KB Output is correct
9 Correct 2 ms 14684 KB Output is correct
10 Correct 2 ms 14680 KB Output is correct
11 Correct 3 ms 14684 KB Output is correct
12 Correct 2 ms 14680 KB Output is correct
13 Correct 2 ms 14684 KB Output is correct
14 Correct 10 ms 17244 KB Output is correct
15 Correct 15 ms 19788 KB Output is correct
16 Correct 22 ms 20048 KB Output is correct
17 Correct 30 ms 20684 KB Output is correct
18 Correct 30 ms 20648 KB Output is correct
19 Correct 29 ms 20444 KB Output is correct
20 Correct 30 ms 20448 KB Output is correct
21 Correct 28 ms 20444 KB Output is correct
22 Correct 22 ms 19936 KB Output is correct
23 Correct 22 ms 19932 KB Output is correct
24 Correct 22 ms 20192 KB Output is correct
25 Correct 22 ms 19920 KB Output is correct
26 Correct 25 ms 20440 KB Output is correct
27 Correct 29 ms 20532 KB Output is correct
28 Correct 32 ms 20572 KB Output is correct
29 Correct 32 ms 20532 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 14684 KB Output is correct
2 Correct 3 ms 14684 KB Output is correct
3 Correct 3 ms 14684 KB Output is correct
4 Correct 2 ms 14820 KB Output is correct
5 Correct 3 ms 14816 KB Output is correct
6 Correct 3 ms 14680 KB Output is correct
7 Correct 3 ms 14680 KB Output is correct
8 Correct 3 ms 14684 KB Output is correct
9 Correct 2 ms 14684 KB Output is correct
10 Correct 2 ms 14680 KB Output is correct
11 Correct 3 ms 14684 KB Output is correct
12 Correct 2 ms 14680 KB Output is correct
13 Correct 2 ms 14684 KB Output is correct
14 Correct 10 ms 17244 KB Output is correct
15 Correct 15 ms 19788 KB Output is correct
16 Correct 22 ms 20048 KB Output is correct
17 Correct 30 ms 20684 KB Output is correct
18 Correct 30 ms 20648 KB Output is correct
19 Correct 29 ms 20444 KB Output is correct
20 Correct 30 ms 20448 KB Output is correct
21 Correct 28 ms 20444 KB Output is correct
22 Correct 22 ms 19936 KB Output is correct
23 Correct 22 ms 19932 KB Output is correct
24 Correct 22 ms 20192 KB Output is correct
25 Correct 22 ms 19920 KB Output is correct
26 Correct 25 ms 20440 KB Output is correct
27 Correct 29 ms 20532 KB Output is correct
28 Correct 32 ms 20572 KB Output is correct
29 Correct 32 ms 20532 KB Output is correct
30 Correct 76 ms 24780 KB Output is correct
31 Correct 95 ms 25576 KB Output is correct
32 Correct 116 ms 26620 KB Output is correct
33 Correct 161 ms 28620 KB Output is correct
34 Correct 70 ms 24584 KB Output is correct
35 Correct 166 ms 28448 KB Output is correct
36 Correct 175 ms 28476 KB Output is correct
37 Correct 161 ms 28620 KB Output is correct
38 Correct 180 ms 28468 KB Output is correct
39 Correct 165 ms 28480 KB Output is correct
40 Correct 143 ms 28116 KB Output is correct
41 Correct 160 ms 28488 KB Output is correct
42 Correct 172 ms 28488 KB Output is correct
43 Correct 107 ms 27600 KB Output is correct
44 Correct 106 ms 27596 KB Output is correct
45 Correct 108 ms 27572 KB Output is correct
46 Correct 115 ms 26816 KB Output is correct
47 Correct 123 ms 26572 KB Output is correct
48 Correct 152 ms 28624 KB Output is correct
49 Correct 138 ms 28596 KB Output is correct