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Submission #968756

# Submission time Handle Problem Language Result Execution time Memory
968756 2024-04-24T03:45:01 Z socpite New Home (APIO18_new_home) C++14
57 / 100
 5000 ms 505824 KB 
#include<bits/stdc++.h>
using namespace std;

const int maxn = 3e5+5;
const int INF = 1e9+5;

vector<pair<int, pair<int, int>>> ev;
vector<int> cp, cpy;
int n, q, k;

int ans[maxn];
int p[maxn], ty[maxn];
int L[maxn], Y[maxn];

int st[4*maxn][2];

struct ev_upd{
    int l, r, val, ty;
    ev_upd(int _l, int _r, int _val, int _ty): l(_l), r(_r), val(_val), ty(_ty){};
    bool operator<(const ev_upd &b)const {
        return tie(l, r, val, ty) < tie(b.l, b.r, b.val, b.ty);
    }
};

map<ev_upd, vector<int>> mp;
map<int, vector<pair<int, int>>> leaf_q;  
multiset<int> pos[maxn];

vector<ev_upd> st_time[4*maxn];

int crrt;

vector<pair<pair<int, int>, pair<int, int>>> undo_stack;

// 0 is min, 1 is max

void upd_st(ev_upd ele, int nodeid, int l = 0, int r = cp.size()-1, int id = 1){
    if(ele.l > cp[r] || ele.r < cp[l])return;
    if(ele.l <= cp[l] && cp[r] <= ele.r){
        if(ele.ty == 0){
            if(st[id][0] > ele.val){
                undo_stack.push_back({{nodeid, st[id][0]}, {id, 0}});
                st[id][0] = ele.val;
            }
        }
        else {
            if(st[id][1] < ele.val){
                undo_stack.push_back({{nodeid, st[id][1]}, {id, 1}});
                st[id][1] = ele.val;
            }
        }
    }
    else {
        int mid = (l+r)>>1;
        upd_st(ele, nodeid, l, mid, id<<1);
        upd_st(ele, nodeid, mid+1, r, id<<1|1);
    }
}

int query_st(int pos, int l = 0, int r = cp.size()-1, int id = 1){
    int re = max(st[id][1] - pos, pos - st[id][0]);
    if(l < r){
        int mid = (l + r)>>1;
        if(pos <= cp[mid])re = max(re, query_st(pos, l, mid, id<<1));
        else re = max(re, query_st(pos, mid+1, r, id<<1|1));
    }
    return re;
}

void time_add(int ql, int qr, ev_upd ele, int l = 0, int r = cpy.size()-1, int id = 1){
    if(ql > qr || ql > cpy[r] || qr < cpy[l])return;
    if(ql <= cpy[l] && cpy[r] <= qr)st_time[id].push_back(ele);
    else {
        int mid = (l+r)>>1;
        time_add(ql, qr, ele, l, mid, id<<1);
        time_add(ql, qr, ele, mid+1, r, id<<1|1);
    }
}

int sumcol[maxn];
int sumall = 0, ptr = 0;

void time_dfs(int l = 0, int r = cpy.size()-1, int id = 1){
    for(auto ele: st_time[id])  {
        upd_st(ele, id);
    }
    if(l == r){
        while(ptr < ev.size() && ev[ptr].first <= cpy[l]){
            if(ev[ptr].second.first){
                sumcol[ty[ev[ptr].second.second]]--;
                if(!sumcol[ty[ev[ptr].second.second]])sumall--;
            }
            else {
                if(!sumcol[ty[ev[ptr].second.second]])sumall++;
                sumcol[ty[ev[ptr].second.second]]++;
            }
            ptr++;
        }
        // cout << sumall << endl;
        for(auto qq: leaf_q[cpy[l]]){
            ans[qq.second] = sumall < k ? -1 : query_st(qq.first);
        }
    }
    else {
        int mid = (l+r)>>1;
        time_dfs(l, mid, id<<1);
        time_dfs(mid+1, r, id<<1|1);
    }
    while(!undo_stack.empty() && undo_stack.back().first.first == id){
        st[undo_stack.back().second.first][undo_stack.back().second.second] = undo_stack.back().first.second;
        undo_stack.pop_back();
    }
}

void add_st(int l, int r, int val, int ty){
    if(l > r)return;
    mp[ev_upd(l, r, val, ty)].push_back(crrt);
}

void del_st(int l, int r, int val, int ty){
    if(l > r)return;
    ev_upd ele(l, r, val, ty);
    time_add(mp[ele].back(), crrt - 1, ele);
    mp[ele].pop_back();
}

void add_range(int l, int r){
    if(l == -INF)add_st(-INF, r, r, 1);
    else if(r == INF)add_st(l+1, INF, l, 0);
    else {
        int mid = (l+r)/2;
        add_st(l+1, mid, l, 0);
        add_st(mid+1, r, r, 1);
    }
}

void del_range(int l, int r){
    if(l == -INF)del_st(-INF, r, r, 1);
    else if(r == INF)del_st(l+1, INF, l, 0);
    else {
        int mid = (l+r)/2;
        del_st(l+1, mid, l, 0);
        del_st(mid+1, r, r, 1);
    }
}

void add(int x, int col){
    auto it = pos[col].insert(x);
    if(pos[col].size() == 1){
        add_range(-INF, x);
        add_range(x, INF);
    }
    else {
        if(next(it) == pos[col].end()){
            del_range(*prev(it), INF);
            add_range(*prev(it), x);
            add_range(x, INF);
        }
        else if(it == pos[col].begin()){
            del_range(-INF, *next(it));
            add_range(-INF, x);
            add_range(x, *next(it));
        }
        else {
            del_range(*prev(it), *next(it));
            add_range(*prev(it), *it);
            add_range(*it, *next(it));
        }
    }
}

void del(int x, int col){
    auto it = pos[col].erase(pos[col].find(x));
    if(pos[col].size() == 0){
        del_range(-INF, x);
        del_range(x, INF);
    }
    else {
        if(it == pos[col].end()){
            del_range(x, INF);
            del_range(*prev(it), x);
            add_range(*prev(it), INF);
        }
        else if(it == pos[col].begin()){
            del_range(-INF, x);
            del_range(x, *it);
            add_range(-INF, *it);
        }
        else {
            del_range(x, *it);
            del_range(*prev(it), x);
            add_range(*prev(it), *it);
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> k >> q;
    for(int i = 0; i < 4*maxn; i++)st[i][0] = INF, st[i][1] = -INF;
    for(int i = 1; i <= n; i++){
        int a, b;
        cin >> p[i] >> ty[i] >> a >> b;
        ev.push_back({a, {0, i}});
        ev.push_back({b+1, {1, i}});
    }
    for(int i = 1; i <= q; i++){
        cin >> L[i] >> Y[i];
        cp.push_back(L[i]);
        cpy.push_back(Y[i]);
        leaf_q[Y[i]].push_back({L[i], i});
    }
    sort(cp.begin(), cp.end());
    cp.erase(unique(cp.begin(), cp.end()), cp.end());
    sort(cpy.begin(), cpy.end());
    cpy.erase(unique(cpy.begin(), cpy.end()), cpy.end()); 
    sort(ev.begin(), ev.end());
    for(auto v: ev){
        crrt = v.first;
        if(v.second.first)del(p[v.second.second], ty[v.second.second]);
        else add(p[v.second.second], ty[v.second.second]);
    }
    time_dfs();
    for(int i = 1; i <= q; i++)cout << ans[i] << "\n";
    
}

Compilation message

new_home.cpp: In function 'void time_dfs(int, int, int)':
new_home.cpp:88:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |         while(ptr < ev.size() && ev[ptr].first <= cpy[l]){
      |               ~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 57676 KB Output is correct
2 Correct 15 ms 57688 KB Output is correct
3 Correct 12 ms 57692 KB Output is correct
4 Correct 13 ms 57692 KB Output is correct
5 Correct 13 ms 57948 KB Output is correct
6 Correct 16 ms 58460 KB Output is correct
7 Correct 15 ms 58200 KB Output is correct
8 Correct 15 ms 58204 KB Output is correct
9 Correct 14 ms 58180 KB Output is correct
10 Correct 16 ms 58428 KB Output is correct
11 Correct 14 ms 58204 KB Output is correct
12 Correct 15 ms 58160 KB Output is correct
13 Correct 13 ms 57948 KB Output is correct
14 Correct 14 ms 58080 KB Output is correct
15 Correct 15 ms 58164 KB Output is correct
16 Correct 14 ms 58204 KB Output is correct
17 Correct 15 ms 58348 KB Output is correct
18 Correct 15 ms 58184 KB Output is correct
19 Correct 15 ms 58204 KB Output is correct
20 Correct 15 ms 58204 KB Output is correct
21 Correct 13 ms 57840 KB Output is correct
22 Correct 16 ms 58196 KB Output is correct
23 Correct 16 ms 58272 KB Output is correct
24 Correct 15 ms 58472 KB Output is correct
25 Correct 15 ms 58336 KB Output is correct
26 Correct 14 ms 58204 KB Output is correct
27 Correct 13 ms 57944 KB Output is correct
28 Correct 14 ms 58204 KB Output is correct
29 Correct 14 ms 58204 KB Output is correct
30 Correct 13 ms 58092 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 57676 KB Output is correct
2 Correct 15 ms 57688 KB Output is correct
3 Correct 12 ms 57692 KB Output is correct
4 Correct 13 ms 57692 KB Output is correct
5 Correct 13 ms 57948 KB Output is correct
6 Correct 16 ms 58460 KB Output is correct
7 Correct 15 ms 58200 KB Output is correct
8 Correct 15 ms 58204 KB Output is correct
9 Correct 14 ms 58180 KB Output is correct
10 Correct 16 ms 58428 KB Output is correct
11 Correct 14 ms 58204 KB Output is correct
12 Correct 15 ms 58160 KB Output is correct
13 Correct 13 ms 57948 KB Output is correct
14 Correct 14 ms 58080 KB Output is correct
15 Correct 15 ms 58164 KB Output is correct
16 Correct 14 ms 58204 KB Output is correct
17 Correct 15 ms 58348 KB Output is correct
18 Correct 15 ms 58184 KB Output is correct
19 Correct 15 ms 58204 KB Output is correct
20 Correct 15 ms 58204 KB Output is correct
21 Correct 13 ms 57840 KB Output is correct
22 Correct 16 ms 58196 KB Output is correct
23 Correct 16 ms 58272 KB Output is correct
24 Correct 15 ms 58472 KB Output is correct
25 Correct 15 ms 58336 KB Output is correct
26 Correct 14 ms 58204 KB Output is correct
27 Correct 13 ms 57944 KB Output is correct
28 Correct 14 ms 58204 KB Output is correct
29 Correct 14 ms 58204 KB Output is correct
30 Correct 13 ms 58092 KB Output is correct
31 Correct 2262 ms 202440 KB Output is correct
32 Correct 85 ms 62660 KB Output is correct
33 Correct 1800 ms 191152 KB Output is correct
34 Correct 2097 ms 191728 KB Output is correct
35 Correct 2236 ms 204848 KB Output is correct
36 Correct 1883 ms 201364 KB Output is correct
37 Correct 1304 ms 174416 KB Output is correct
38 Correct 1123 ms 174204 KB Output is correct
39 Correct 764 ms 149524 KB Output is correct
40 Correct 795 ms 156100 KB Output is correct
41 Correct 1075 ms 141876 KB Output is correct
42 Correct 1221 ms 143716 KB Output is correct
43 Correct 56 ms 65988 KB Output is correct
44 Correct 1070 ms 139528 KB Output is correct
45 Correct 920 ms 130028 KB Output is correct
46 Correct 651 ms 113168 KB Output is correct
47 Correct 369 ms 107712 KB Output is correct
48 Correct 343 ms 105672 KB Output is correct
49 Correct 532 ms 118060 KB Output is correct
50 Correct 711 ms 134212 KB Output is correct
51 Correct 498 ms 113648 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4523 ms 304800 KB Output is correct
2 Correct 4945 ms 350836 KB Output is correct
3 Correct 1909 ms 230684 KB Output is correct
4 Correct 3966 ms 290600 KB Output is correct
5 Correct 3678 ms 336076 KB Output is correct
6 Correct 4367 ms 352860 KB Output is correct
7 Correct 1718 ms 230932 KB Output is correct
8 Correct 3137 ms 286596 KB Output is correct
9 Correct 4067 ms 323692 KB Output is correct
10 Correct 4889 ms 359420 KB Output is correct
11 Correct 1883 ms 353836 KB Output is correct
12 Correct 2111 ms 352620 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5063 ms 505824 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 57676 KB Output is correct
2 Correct 15 ms 57688 KB Output is correct
3 Correct 12 ms 57692 KB Output is correct
4 Correct 13 ms 57692 KB Output is correct
5 Correct 13 ms 57948 KB Output is correct
6 Correct 16 ms 58460 KB Output is correct
7 Correct 15 ms 58200 KB Output is correct
8 Correct 15 ms 58204 KB Output is correct
9 Correct 14 ms 58180 KB Output is correct
10 Correct 16 ms 58428 KB Output is correct
11 Correct 14 ms 58204 KB Output is correct
12 Correct 15 ms 58160 KB Output is correct
13 Correct 13 ms 57948 KB Output is correct
14 Correct 14 ms 58080 KB Output is correct
15 Correct 15 ms 58164 KB Output is correct
16 Correct 14 ms 58204 KB Output is correct
17 Correct 15 ms 58348 KB Output is correct
18 Correct 15 ms 58184 KB Output is correct
19 Correct 15 ms 58204 KB Output is correct
20 Correct 15 ms 58204 KB Output is correct
21 Correct 13 ms 57840 KB Output is correct
22 Correct 16 ms 58196 KB Output is correct
23 Correct 16 ms 58272 KB Output is correct
24 Correct 15 ms 58472 KB Output is correct
25 Correct 15 ms 58336 KB Output is correct
26 Correct 14 ms 58204 KB Output is correct
27 Correct 13 ms 57944 KB Output is correct
28 Correct 14 ms 58204 KB Output is correct
29 Correct 14 ms 58204 KB Output is correct
30 Correct 13 ms 58092 KB Output is correct
31 Correct 2262 ms 202440 KB Output is correct
32 Correct 85 ms 62660 KB Output is correct
33 Correct 1800 ms 191152 KB Output is correct
34 Correct 2097 ms 191728 KB Output is correct
35 Correct 2236 ms 204848 KB Output is correct
36 Correct 1883 ms 201364 KB Output is correct
37 Correct 1304 ms 174416 KB Output is correct
38 Correct 1123 ms 174204 KB Output is correct
39 Correct 764 ms 149524 KB Output is correct
40 Correct 795 ms 156100 KB Output is correct
41 Correct 1075 ms 141876 KB Output is correct
42 Correct 1221 ms 143716 KB Output is correct
43 Correct 56 ms 65988 KB Output is correct
44 Correct 1070 ms 139528 KB Output is correct
45 Correct 920 ms 130028 KB Output is correct
46 Correct 651 ms 113168 KB Output is correct
47 Correct 369 ms 107712 KB Output is correct
48 Correct 343 ms 105672 KB Output is correct
49 Correct 532 ms 118060 KB Output is correct
50 Correct 711 ms 134212 KB Output is correct
51 Correct 498 ms 113648 KB Output is correct
52 Correct 693 ms 126656 KB Output is correct
53 Correct 706 ms 118336 KB Output is correct
54 Correct 1548 ms 165008 KB Output is correct
55 Correct 1048 ms 144508 KB Output is correct
56 Correct 1036 ms 142004 KB Output is correct
57 Correct 1186 ms 142540 KB Output is correct
58 Correct 1053 ms 139764 KB Output is correct
59 Correct 936 ms 137348 KB Output is correct
60 Correct 1216 ms 143248 KB Output is correct
61 Correct 56 ms 69692 KB Output is correct
62 Correct 696 ms 129368 KB Output is correct
63 Correct 1265 ms 150460 KB Output is correct
64 Correct 1437 ms 156024 KB Output is correct
65 Correct 1455 ms 160448 KB Output is correct
66 Correct 1342 ms 148484 KB Output is correct
67 Correct 138 ms 67776 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 57676 KB Output is correct
2 Correct 15 ms 57688 KB Output is correct
3 Correct 12 ms 57692 KB Output is correct
4 Correct 13 ms 57692 KB Output is correct
5 Correct 13 ms 57948 KB Output is correct
6 Correct 16 ms 58460 KB Output is correct
7 Correct 15 ms 58200 KB Output is correct
8 Correct 15 ms 58204 KB Output is correct
9 Correct 14 ms 58180 KB Output is correct
10 Correct 16 ms 58428 KB Output is correct
11 Correct 14 ms 58204 KB Output is correct
12 Correct 15 ms 58160 KB Output is correct
13 Correct 13 ms 57948 KB Output is correct
14 Correct 14 ms 58080 KB Output is correct
15 Correct 15 ms 58164 KB Output is correct
16 Correct 14 ms 58204 KB Output is correct
17 Correct 15 ms 58348 KB Output is correct
18 Correct 15 ms 58184 KB Output is correct
19 Correct 15 ms 58204 KB Output is correct
20 Correct 15 ms 58204 KB Output is correct
21 Correct 13 ms 57840 KB Output is correct
22 Correct 16 ms 58196 KB Output is correct
23 Correct 16 ms 58272 KB Output is correct
24 Correct 15 ms 58472 KB Output is correct
25 Correct 15 ms 58336 KB Output is correct
26 Correct 14 ms 58204 KB Output is correct
27 Correct 13 ms 57944 KB Output is correct
28 Correct 14 ms 58204 KB Output is correct
29 Correct 14 ms 58204 KB Output is correct
30 Correct 13 ms 58092 KB Output is correct
31 Correct 2262 ms 202440 KB Output is correct
32 Correct 85 ms 62660 KB Output is correct
33 Correct 1800 ms 191152 KB Output is correct
34 Correct 2097 ms 191728 KB Output is correct
35 Correct 2236 ms 204848 KB Output is correct
36 Correct 1883 ms 201364 KB Output is correct
37 Correct 1304 ms 174416 KB Output is correct
38 Correct 1123 ms 174204 KB Output is correct
39 Correct 764 ms 149524 KB Output is correct
40 Correct 795 ms 156100 KB Output is correct
41 Correct 1075 ms 141876 KB Output is correct
42 Correct 1221 ms 143716 KB Output is correct
43 Correct 56 ms 65988 KB Output is correct
44 Correct 1070 ms 139528 KB Output is correct
45 Correct 920 ms 130028 KB Output is correct
46 Correct 651 ms 113168 KB Output is correct
47 Correct 369 ms 107712 KB Output is correct
48 Correct 343 ms 105672 KB Output is correct
49 Correct 532 ms 118060 KB Output is correct
50 Correct 711 ms 134212 KB Output is correct
51 Correct 498 ms 113648 KB Output is correct
52 Correct 4523 ms 304800 KB Output is correct
53 Correct 4945 ms 350836 KB Output is correct
54 Correct 1909 ms 230684 KB Output is correct
55 Correct 3966 ms 290600 KB Output is correct
56 Correct 3678 ms 336076 KB Output is correct
57 Correct 4367 ms 352860 KB Output is correct
58 Correct 1718 ms 230932 KB Output is correct
59 Correct 3137 ms 286596 KB Output is correct
60 Correct 4067 ms 323692 KB Output is correct
61 Correct 4889 ms 359420 KB Output is correct
62 Correct 1883 ms 353836 KB Output is correct
63 Correct 2111 ms 352620 KB Output is correct
64 Execution timed out 5063 ms 505824 KB Time limit exceeded
65 Halted 0 ms 0 KB -