답안 #49688

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
49688 2018-06-02T08:03:50 Z gs13105 새 집 (APIO18_new_home) C++17
80 / 100
5000 ms 417452 KB
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <iterator>

using namespace std;

const int MAXN = 300000;
const int MAXI = 1048576;
const int INF = 100000000;

static char buf[17100100]; // size : any number geq than 1024 
static int fio_idx = 0;
static int bytes = 0;
static inline int _read() {
    if(!bytes || fio_idx == bytes) {
        bytes = (int)fread(buf, sizeof(buf[0]), sizeof(buf), stdin);
        fio_idx = 0;
    }
    return buf[fio_idx++];
}
static inline int _readInt() {
    int x = 0;
    int c = _read();
    while(c <= 32) c = _read();
    while(c > 32) x = 10 * x + (c - '0'), c = _read();
    return x;
}

int n, k, q, bp;

vector<int> com;
inline int idx(int x)
{
    return lower_bound(com.begin(), com.end(), x) - com.begin();
}

struct eve
{
    int t, x, d;
    bool operator <(const eve &e) const
    {
        return t != e.t ? t < e.t : d > e.d;
    }
};

struct pos
{
    int c, l, lt, r, rt;
};

vector<eve> arr;
map<int, pos> loc[MAXN + 10];

struct seg
{
    int t1, t2, x, y;
    bool operator <(const seg &e) const
    {
        return x < e.x;
    }
};

vector<seg> sor[2];
inline void add_seg(int t1, int t2, int x, int y)
{
    if(t1 > t2 || x == y)
        return;

    int nt1 = bp + idx(t1);
    int nt2 = bp + idx(t2 + 1) - 1;
    if(nt1 > nt2)
        return;

    if(y < x)
        sor[0].push_back({ nt1, nt2, y, x });
    else
        sor[1].push_back({ nt1, nt2, INF - y + 1, INF - x + 1 });
}

struct ent
{
    // v0 : dec, v1 : inc, q : query
    // v : { x, y }
    // q : { x, i }
    vector<pair<int, int>> v[2];
    vector<pair<int, int>> q;
};

ent mem[MAXI + 10];

struct que
{
    int l, y, i;
    bool operator <(const que &x) const
    {
        return l < x.l;
    }
};

vector<que> inp;
bool chk[MAXN + 10];
int ans[MAXN + 10];

int main()
{
    //freopen("in", "r", stdin);
    //freopen("out", "w", stdout);

    n = _readInt();
    k = _readInt();
    q = _readInt();
    for(int i = 0; i < n; i++)
    {
        int x, t, a, b;
        x = _readInt();
        t = _readInt();
        a = _readInt();
        b = _readInt();
        arr.push_back({ a, x, t });
        arr.push_back({ b, x, -t });
    }
    for(int i = 0; i < q; i++)
    {
        int l, y;
        l = _readInt();
        y = _readInt();
        inp.push_back({ l, y, i });
        com.push_back(y);
    }

    sort(com.begin(), com.end());
    com.erase(unique(com.begin(), com.end()), com.end());

    int sz = com.size();
    for(bp = 1; bp < sz; bp *= 2);

    sort(arr.begin(), arr.end());
    int cur, cnt = 0;
    for(eve &e : arr)
    {
        if(e.d > 0)
        {
            if(loc[e.d].size() == 0)
            {
                cnt++;
                if(cnt == k)
                    cur = e.t;
            }

            auto it = loc[e.d].find(e.x);
            if(it != loc[e.d].end())
            {
                it->second.c++;
                continue;
            }

            it = loc[e.d].insert({ e.x,{ 1, 1, e.t, INF, e.t } }).first;
            pos &p = it->second;

            if(it != loc[e.d].begin())
            {
                int x = prev(it)->first;
                pos &q = prev(it)->second;

                add_seg(q.rt, e.t - 1, x, q.r);
                q.rt = e.t;
                q.r = (x + e.x) / 2;

                p.l = (x + e.x + 1) / 2;
            }

            if(next(it) != loc[e.d].end())
            {
                int x = next(it)->first;
                pos &q = next(it)->second;

                add_seg(q.lt, e.t - 1, x, q.l);
                q.lt = e.t;
                q.l = (x + e.x + 1) / 2;

                p.r = (x + e.x) / 2;
            }
        }
        else
        {
            e.d = -e.d;

            auto it = loc[e.d].find(e.x);
            pos &p = it->second;

            if(p.c > 1)
            {
                p.c--;
                continue;
            }

            add_seg(p.lt, e.t, e.x, p.l);
            add_seg(p.rt, e.t, e.x, p.r);

            if(it != loc[e.d].begin())
            {
                int x = prev(it)->first;
                pos &q = prev(it)->second;

                add_seg(q.rt, e.t, x, q.r);
                q.rt = e.t + 1;
                if(next(it) != loc[e.d].end())
                {
                    int y = next(it)->first;
                    q.r = (x + y) / 2;
                }
                else
                    q.r = INF;
            }

            if(next(it) != loc[e.d].end())
            {
                int x = next(it)->first;
                pos &q = next(it)->second;

                add_seg(q.lt, e.t, x, q.l);
                q.lt = e.t + 1;
                if(it != loc[e.d].begin())
                {
                    int y = prev(it)->first;
                    q.l = (y + x + 1) / 2;
                }
                else
                    q.l = 1;
            }

            loc[e.d].erase(it);

            if(loc[e.d].size() == 0)
            {
                if(cnt == k)
                {
                    int t1 = idx(cur);
                    int t2 = idx(e.t + 1) - 1;
                    for(int i = t1; i <= t2; i++)
                        chk[i] = 1;
                }
                cnt--;
            }
        }
    }

    sort(inp.begin(), inp.end());
    for(que &e : inp)
    {
        int x = idx(e.y);
        if(chk[x])
        {
            x += bp;
            while(x)
            {
                mem[x].q.push_back({ e.l, e.i });
                x /= 2;
            }
        }
        else
            ans[e.i] = -1;
    }

    for(int i = 0; i < 2; i++)
    {
        sort(sor[i].begin(), sor[i].end());
        for(seg &e : sor[i])
        {
            int t1 = e.t1;
            int t2 = e.t2;
            while(t1 < t2)
            {
                if(t1 % 2 == 1)
                {
                    mem[t1].v[i].push_back({ e.x, e.y });
                    t1++;
                }
                if(t2 % 2 == 0)
                {
                    mem[t2].v[i].push_back({ e.x, e.y });
                    t2--;
                }
                t1 /= 2;
                t2 /= 2;
            }
            if(t1 == t2)
                mem[t1].v[i].push_back({ e.x, e.y });
        }
    }

    for(int x = 1; x <= bp + sz - 1; x++)
    {
        {
            int mx, p1, p2, sz1, sz2;
            sz1 = mem[x].v[0].size();
            sz2 = mem[x].q.size();
            mx = p1 = p2 = 0;

            while(p2 < sz2)
            {
                if(p1 != sz1 && mem[x].v[0][p1].first <= mem[x].q[p2].first)
                {
                    mx = max(mx, mem[x].v[0][p1].second);
                    p1++;
                }
                else
                {
                    ans[mem[x].q[p2].second] = max(ans[mem[x].q[p2].second], mx - mem[x].q[p2].first);
                    p2++;
                }
            }
        }
        {
            int mx, p1, p2, sz1;
            sz1 = mem[x].v[1].size();
            mx = p1 = 0;
            p2 = mem[x].q.size() - 1;

            while(p2 >= 0)
            {
                int qx = INF - mem[x].q[p2].first + 1;
                if(p1 != sz1 && mem[x].v[1][p1].first <= qx)
                {
                    mx = max(mx, mem[x].v[1][p1].second);
                    p1++;
                }
                else
                {
                    ans[mem[x].q[p2].second] = max(ans[mem[x].q[p2].second], mx - qx);
                    p2--;
                }
            }
        }
    }

    for(int i = 0; i < q; i++)
        printf("%d\n", ans[i]);
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 88312 KB Output is correct
2 Correct 72 ms 88312 KB Output is correct
3 Correct 76 ms 88368 KB Output is correct
4 Correct 90 ms 88444 KB Output is correct
5 Correct 85 ms 88680 KB Output is correct
6 Correct 75 ms 88776 KB Output is correct
7 Correct 76 ms 88776 KB Output is correct
8 Correct 78 ms 88776 KB Output is correct
9 Correct 74 ms 88776 KB Output is correct
10 Correct 81 ms 88792 KB Output is correct
11 Correct 78 ms 88792 KB Output is correct
12 Correct 75 ms 88792 KB Output is correct
13 Correct 88 ms 88792 KB Output is correct
14 Correct 93 ms 88792 KB Output is correct
15 Correct 80 ms 88792 KB Output is correct
16 Correct 130 ms 88880 KB Output is correct
17 Correct 77 ms 88880 KB Output is correct
18 Correct 82 ms 88880 KB Output is correct
19 Correct 80 ms 88880 KB Output is correct
20 Correct 82 ms 88880 KB Output is correct
21 Correct 76 ms 88880 KB Output is correct
22 Correct 75 ms 88880 KB Output is correct
23 Correct 79 ms 88880 KB Output is correct
24 Correct 77 ms 88880 KB Output is correct
25 Correct 77 ms 88880 KB Output is correct
26 Correct 76 ms 88880 KB Output is correct
27 Correct 79 ms 88880 KB Output is correct
28 Correct 86 ms 88880 KB Output is correct
29 Correct 74 ms 88880 KB Output is correct
30 Correct 77 ms 88880 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 88312 KB Output is correct
2 Correct 72 ms 88312 KB Output is correct
3 Correct 76 ms 88368 KB Output is correct
4 Correct 90 ms 88444 KB Output is correct
5 Correct 85 ms 88680 KB Output is correct
6 Correct 75 ms 88776 KB Output is correct
7 Correct 76 ms 88776 KB Output is correct
8 Correct 78 ms 88776 KB Output is correct
9 Correct 74 ms 88776 KB Output is correct
10 Correct 81 ms 88792 KB Output is correct
11 Correct 78 ms 88792 KB Output is correct
12 Correct 75 ms 88792 KB Output is correct
13 Correct 88 ms 88792 KB Output is correct
14 Correct 93 ms 88792 KB Output is correct
15 Correct 80 ms 88792 KB Output is correct
16 Correct 130 ms 88880 KB Output is correct
17 Correct 77 ms 88880 KB Output is correct
18 Correct 82 ms 88880 KB Output is correct
19 Correct 80 ms 88880 KB Output is correct
20 Correct 82 ms 88880 KB Output is correct
21 Correct 76 ms 88880 KB Output is correct
22 Correct 75 ms 88880 KB Output is correct
23 Correct 79 ms 88880 KB Output is correct
24 Correct 77 ms 88880 KB Output is correct
25 Correct 77 ms 88880 KB Output is correct
26 Correct 76 ms 88880 KB Output is correct
27 Correct 79 ms 88880 KB Output is correct
28 Correct 86 ms 88880 KB Output is correct
29 Correct 74 ms 88880 KB Output is correct
30 Correct 77 ms 88880 KB Output is correct
31 Correct 952 ms 158416 KB Output is correct
32 Correct 124 ms 158416 KB Output is correct
33 Correct 901 ms 158416 KB Output is correct
34 Correct 795 ms 158416 KB Output is correct
35 Correct 989 ms 159128 KB Output is correct
36 Correct 905 ms 159432 KB Output is correct
37 Correct 794 ms 159432 KB Output is correct
38 Correct 609 ms 159432 KB Output is correct
39 Correct 480 ms 159432 KB Output is correct
40 Correct 567 ms 159432 KB Output is correct
41 Correct 622 ms 159432 KB Output is correct
42 Correct 496 ms 159432 KB Output is correct
43 Correct 100 ms 159432 KB Output is correct
44 Correct 659 ms 159432 KB Output is correct
45 Correct 534 ms 159432 KB Output is correct
46 Correct 442 ms 159432 KB Output is correct
47 Correct 257 ms 159432 KB Output is correct
48 Correct 288 ms 159432 KB Output is correct
49 Correct 416 ms 159432 KB Output is correct
50 Correct 377 ms 159432 KB Output is correct
51 Correct 381 ms 159432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1954 ms 255364 KB Output is correct
2 Correct 1871 ms 255364 KB Output is correct
3 Correct 1574 ms 255364 KB Output is correct
4 Correct 1867 ms 255576 KB Output is correct
5 Correct 2558 ms 268072 KB Output is correct
6 Correct 2253 ms 268072 KB Output is correct
7 Correct 1618 ms 268072 KB Output is correct
8 Correct 1613 ms 268072 KB Output is correct
9 Correct 1723 ms 278412 KB Output is correct
10 Correct 2079 ms 278412 KB Output is correct
11 Correct 1152 ms 278412 KB Output is correct
12 Correct 1208 ms 278412 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4661 ms 337268 KB Output is correct
2 Correct 276 ms 337268 KB Output is correct
3 Correct 4785 ms 358496 KB Output is correct
4 Correct 959 ms 358496 KB Output is correct
5 Correct 2310 ms 358496 KB Output is correct
6 Correct 2050 ms 358496 KB Output is correct
7 Correct 4431 ms 358496 KB Output is correct
8 Correct 4588 ms 358496 KB Output is correct
9 Correct 1489 ms 358496 KB Output is correct
10 Correct 3197 ms 358496 KB Output is correct
11 Correct 4635 ms 358496 KB Output is correct
12 Correct 4982 ms 358688 KB Output is correct
13 Correct 1769 ms 358688 KB Output is correct
14 Correct 1809 ms 358688 KB Output is correct
15 Correct 2064 ms 358688 KB Output is correct
16 Correct 2246 ms 358688 KB Output is correct
17 Correct 2277 ms 358688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 88312 KB Output is correct
2 Correct 72 ms 88312 KB Output is correct
3 Correct 76 ms 88368 KB Output is correct
4 Correct 90 ms 88444 KB Output is correct
5 Correct 85 ms 88680 KB Output is correct
6 Correct 75 ms 88776 KB Output is correct
7 Correct 76 ms 88776 KB Output is correct
8 Correct 78 ms 88776 KB Output is correct
9 Correct 74 ms 88776 KB Output is correct
10 Correct 81 ms 88792 KB Output is correct
11 Correct 78 ms 88792 KB Output is correct
12 Correct 75 ms 88792 KB Output is correct
13 Correct 88 ms 88792 KB Output is correct
14 Correct 93 ms 88792 KB Output is correct
15 Correct 80 ms 88792 KB Output is correct
16 Correct 130 ms 88880 KB Output is correct
17 Correct 77 ms 88880 KB Output is correct
18 Correct 82 ms 88880 KB Output is correct
19 Correct 80 ms 88880 KB Output is correct
20 Correct 82 ms 88880 KB Output is correct
21 Correct 76 ms 88880 KB Output is correct
22 Correct 75 ms 88880 KB Output is correct
23 Correct 79 ms 88880 KB Output is correct
24 Correct 77 ms 88880 KB Output is correct
25 Correct 77 ms 88880 KB Output is correct
26 Correct 76 ms 88880 KB Output is correct
27 Correct 79 ms 88880 KB Output is correct
28 Correct 86 ms 88880 KB Output is correct
29 Correct 74 ms 88880 KB Output is correct
30 Correct 77 ms 88880 KB Output is correct
31 Correct 952 ms 158416 KB Output is correct
32 Correct 124 ms 158416 KB Output is correct
33 Correct 901 ms 158416 KB Output is correct
34 Correct 795 ms 158416 KB Output is correct
35 Correct 989 ms 159128 KB Output is correct
36 Correct 905 ms 159432 KB Output is correct
37 Correct 794 ms 159432 KB Output is correct
38 Correct 609 ms 159432 KB Output is correct
39 Correct 480 ms 159432 KB Output is correct
40 Correct 567 ms 159432 KB Output is correct
41 Correct 622 ms 159432 KB Output is correct
42 Correct 496 ms 159432 KB Output is correct
43 Correct 100 ms 159432 KB Output is correct
44 Correct 659 ms 159432 KB Output is correct
45 Correct 534 ms 159432 KB Output is correct
46 Correct 442 ms 159432 KB Output is correct
47 Correct 257 ms 159432 KB Output is correct
48 Correct 288 ms 159432 KB Output is correct
49 Correct 416 ms 159432 KB Output is correct
50 Correct 377 ms 159432 KB Output is correct
51 Correct 381 ms 159432 KB Output is correct
52 Correct 353 ms 358688 KB Output is correct
53 Correct 325 ms 358688 KB Output is correct
54 Correct 624 ms 358688 KB Output is correct
55 Correct 600 ms 358688 KB Output is correct
56 Correct 558 ms 358688 KB Output is correct
57 Correct 658 ms 358688 KB Output is correct
58 Correct 560 ms 358688 KB Output is correct
59 Correct 613 ms 358688 KB Output is correct
60 Correct 656 ms 358688 KB Output is correct
61 Correct 117 ms 358688 KB Output is correct
62 Correct 349 ms 358688 KB Output is correct
63 Correct 557 ms 358688 KB Output is correct
64 Correct 581 ms 358688 KB Output is correct
65 Correct 703 ms 358688 KB Output is correct
66 Correct 791 ms 358688 KB Output is correct
67 Correct 170 ms 358688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 88312 KB Output is correct
2 Correct 72 ms 88312 KB Output is correct
3 Correct 76 ms 88368 KB Output is correct
4 Correct 90 ms 88444 KB Output is correct
5 Correct 85 ms 88680 KB Output is correct
6 Correct 75 ms 88776 KB Output is correct
7 Correct 76 ms 88776 KB Output is correct
8 Correct 78 ms 88776 KB Output is correct
9 Correct 74 ms 88776 KB Output is correct
10 Correct 81 ms 88792 KB Output is correct
11 Correct 78 ms 88792 KB Output is correct
12 Correct 75 ms 88792 KB Output is correct
13 Correct 88 ms 88792 KB Output is correct
14 Correct 93 ms 88792 KB Output is correct
15 Correct 80 ms 88792 KB Output is correct
16 Correct 130 ms 88880 KB Output is correct
17 Correct 77 ms 88880 KB Output is correct
18 Correct 82 ms 88880 KB Output is correct
19 Correct 80 ms 88880 KB Output is correct
20 Correct 82 ms 88880 KB Output is correct
21 Correct 76 ms 88880 KB Output is correct
22 Correct 75 ms 88880 KB Output is correct
23 Correct 79 ms 88880 KB Output is correct
24 Correct 77 ms 88880 KB Output is correct
25 Correct 77 ms 88880 KB Output is correct
26 Correct 76 ms 88880 KB Output is correct
27 Correct 79 ms 88880 KB Output is correct
28 Correct 86 ms 88880 KB Output is correct
29 Correct 74 ms 88880 KB Output is correct
30 Correct 77 ms 88880 KB Output is correct
31 Correct 952 ms 158416 KB Output is correct
32 Correct 124 ms 158416 KB Output is correct
33 Correct 901 ms 158416 KB Output is correct
34 Correct 795 ms 158416 KB Output is correct
35 Correct 989 ms 159128 KB Output is correct
36 Correct 905 ms 159432 KB Output is correct
37 Correct 794 ms 159432 KB Output is correct
38 Correct 609 ms 159432 KB Output is correct
39 Correct 480 ms 159432 KB Output is correct
40 Correct 567 ms 159432 KB Output is correct
41 Correct 622 ms 159432 KB Output is correct
42 Correct 496 ms 159432 KB Output is correct
43 Correct 100 ms 159432 KB Output is correct
44 Correct 659 ms 159432 KB Output is correct
45 Correct 534 ms 159432 KB Output is correct
46 Correct 442 ms 159432 KB Output is correct
47 Correct 257 ms 159432 KB Output is correct
48 Correct 288 ms 159432 KB Output is correct
49 Correct 416 ms 159432 KB Output is correct
50 Correct 377 ms 159432 KB Output is correct
51 Correct 381 ms 159432 KB Output is correct
52 Correct 1954 ms 255364 KB Output is correct
53 Correct 1871 ms 255364 KB Output is correct
54 Correct 1574 ms 255364 KB Output is correct
55 Correct 1867 ms 255576 KB Output is correct
56 Correct 2558 ms 268072 KB Output is correct
57 Correct 2253 ms 268072 KB Output is correct
58 Correct 1618 ms 268072 KB Output is correct
59 Correct 1613 ms 268072 KB Output is correct
60 Correct 1723 ms 278412 KB Output is correct
61 Correct 2079 ms 278412 KB Output is correct
62 Correct 1152 ms 278412 KB Output is correct
63 Correct 1208 ms 278412 KB Output is correct
64 Correct 4661 ms 337268 KB Output is correct
65 Correct 276 ms 337268 KB Output is correct
66 Correct 4785 ms 358496 KB Output is correct
67 Correct 959 ms 358496 KB Output is correct
68 Correct 2310 ms 358496 KB Output is correct
69 Correct 2050 ms 358496 KB Output is correct
70 Correct 4431 ms 358496 KB Output is correct
71 Correct 4588 ms 358496 KB Output is correct
72 Correct 1489 ms 358496 KB Output is correct
73 Correct 3197 ms 358496 KB Output is correct
74 Correct 4635 ms 358496 KB Output is correct
75 Correct 4982 ms 358688 KB Output is correct
76 Correct 1769 ms 358688 KB Output is correct
77 Correct 1809 ms 358688 KB Output is correct
78 Correct 2064 ms 358688 KB Output is correct
79 Correct 2246 ms 358688 KB Output is correct
80 Correct 2277 ms 358688 KB Output is correct
81 Correct 353 ms 358688 KB Output is correct
82 Correct 325 ms 358688 KB Output is correct
83 Correct 624 ms 358688 KB Output is correct
84 Correct 600 ms 358688 KB Output is correct
85 Correct 558 ms 358688 KB Output is correct
86 Correct 658 ms 358688 KB Output is correct
87 Correct 560 ms 358688 KB Output is correct
88 Correct 613 ms 358688 KB Output is correct
89 Correct 656 ms 358688 KB Output is correct
90 Correct 117 ms 358688 KB Output is correct
91 Correct 349 ms 358688 KB Output is correct
92 Correct 557 ms 358688 KB Output is correct
93 Correct 581 ms 358688 KB Output is correct
94 Correct 703 ms 358688 KB Output is correct
95 Correct 791 ms 358688 KB Output is correct
96 Correct 170 ms 358688 KB Output is correct
97 Correct 1976 ms 358688 KB Output is correct
98 Correct 305 ms 358688 KB Output is correct
99 Execution timed out 5041 ms 417452 KB Time limit exceeded
100 Halted 0 ms 0 KB -