oj.uz

Submission #440172

# Submission time Handle Problem Language Result Execution time Memory
440172 2021-07-01T16:49:59 Z KULIKOLD New Home (APIO18_new_home) C++17
12 / 100
 3303 ms 31940 KB 
//#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef tree<pair<int,int>,null_type,less<pair<int,int> >,rb_tree_tag,tree_order_statistics_node_update> super_set;
#define endl '\n'
const int DIM = 3E5+7;
const int SZ = 407;
const int INF = 1E9+7;
set<pair<int,int> > K[SZ];
struct node{
    int t,x,type,pos;
};
bool mc(node &a,node &b){
    if (a.t==b.t)
        return (a.type==0)<(b.type==0);
    return a.t<b.t;
}
int ans[DIM];
int n,q,k;
int solve(){


    vector<node> events;
    for(int i = 1;i<=n;++i){
        int x,t,l,r;
        cin>>x>>t>>l>>r;
        events.push_back({l,x,t,i});
        events.push_back({r+1,x,t,-i});
    }
    for(int i = 1;i<=q;++i){
        int x,t;
        cin>>x>>t;
        events.push_back({t,x,0,i});
    }
    sort(events.begin(),events.end(),mc);
    for(auto to:events){
        if (to.type==0){
            int dist = 0;
            for(int i = 1;i<=k;++i){
                int d = INF;
                auto lb = K[i].lower_bound({to.x,INF});
                if (lb!=K[i].begin()){
                    lb = prev(lb);
                    d = min(d,to.x-lb->first);
                }
                auto rb = K[i].lower_bound({to.x,0});
                if (rb!=K[i].end()){
                    d = min(d,rb->first-to.x);
                }
                dist = max(dist,d);
            }
            if (dist==INF)
                ans[to.pos] = -1;
            else ans[to.pos] = dist;
        }
        else{
            if (to.pos<0)
                K[to.type].erase({to.x,-to.pos});
            else K[to.type].insert({to.x,to.pos});
        }
    }
    for(int i = 1;i<=q;++i)
        cout<<ans[i]<<endl;
    return 1;
}
vector<int> V[DIM];
super_set S;
int get(int l,int r){
    return S.order_of_key({r,INF})-S.order_of_key({l-1,INF});
}
int solve1(){
    for(int i = 1;i<=n;++i){
        int x,t,a,b;
        cin>>x>>t>>a>>b;
        V[t].push_back(x);
    }
    vector<node> events;
    for(int i = 1;i<=k;++i){
        sort(V[i].begin(),V[i].end());
        for(int j = 0;j<V[i].size();++j){
            int prev = j==0?-INF:V[i][j-1],next = j==V[i].size()-1?INF:V[i][j+1];
            int l = max(0,(V[i][j]+prev)/2);
            int r = min(int(1E9),(V[i][j]+next)/2);
            events.push_back({l,V[i][j],i,0});
            events.push_back({r,V[i][j],-i,0});
        }
    }
    for(int i = 1;i<=q;++i){
        int x,t;
        cin>>x>>t;
        events.push_back({t,x,0,i});
    }
    sort(events.begin(),events.end(),mc);

    for(auto to:events){
        if (to.type==0){
            int l = 0,r = 1E9;
            while(l!=r){
                int tm = (l+r)/2;
                if (get(to.x-tm,to.x+tm)==k)
                    r = tm;
                else l = tm+1;
            }
            if (l==1E9)
                ans[to.pos] = -1;
            else ans[to.pos] = l;
        }
        else{
            if (to.type<0)
                S.erase({to.x,-to.type});
            else S.insert({to.x,to.type});
        }
    }
    for(int i = 1;i<=q;++i)
        cout<<ans[i]<<endl;
    return 1;
}
int main() {

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k>>q;
    if (k<=400)
        solve();
    else
    solve1();
    return 0;
}

Compilation message

new_home.cpp: In function 'int solve1()':
new_home.cpp:84:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |         for(int j = 0;j<V[i].size();++j){
      |                       ~^~~~~~~~~~~~
new_home.cpp:85:52: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |             int prev = j==0?-INF:V[i][j-1],next = j==V[i].size()-1?INF:V[i][j+1];
      |                                                   ~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7384 KB Output is correct
2 Correct 6 ms 7372 KB Output is correct
3 Correct 5 ms 7372 KB Output is correct
4 Correct 5 ms 7372 KB Output is correct
5 Correct 6 ms 7412 KB Output is correct
6 Correct 7 ms 7372 KB Output is correct
7 Correct 7 ms 7436 KB Output is correct
8 Correct 6 ms 7372 KB Output is correct
9 Correct 7 ms 7372 KB Output is correct
10 Correct 6 ms 7372 KB Output is correct
11 Correct 6 ms 7372 KB Output is correct
12 Correct 6 ms 7372 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 7 ms 7372 KB Output is correct
15 Correct 8 ms 7372 KB Output is correct
16 Correct 7 ms 7372 KB Output is correct
17 Correct 6 ms 7372 KB Output is correct
18 Correct 6 ms 7372 KB Output is correct
19 Correct 6 ms 7372 KB Output is correct
20 Correct 6 ms 7372 KB Output is correct
21 Correct 7 ms 7372 KB Output is correct
22 Correct 7 ms 7372 KB Output is correct
23 Correct 8 ms 7332 KB Output is correct
24 Correct 7 ms 7372 KB Output is correct
25 Correct 6 ms 7372 KB Output is correct
26 Correct 6 ms 7372 KB Output is correct
27 Correct 6 ms 7372 KB Output is correct
28 Correct 6 ms 7444 KB Output is correct
29 Correct 6 ms 7372 KB Output is correct
30 Correct 6 ms 7372 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7384 KB Output is correct
2 Correct 6 ms 7372 KB Output is correct
3 Correct 5 ms 7372 KB Output is correct
4 Correct 5 ms 7372 KB Output is correct
5 Correct 6 ms 7412 KB Output is correct
6 Correct 7 ms 7372 KB Output is correct
7 Correct 7 ms 7436 KB Output is correct
8 Correct 6 ms 7372 KB Output is correct
9 Correct 7 ms 7372 KB Output is correct
10 Correct 6 ms 7372 KB Output is correct
11 Correct 6 ms 7372 KB Output is correct
12 Correct 6 ms 7372 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 7 ms 7372 KB Output is correct
15 Correct 8 ms 7372 KB Output is correct
16 Correct 7 ms 7372 KB Output is correct
17 Correct 6 ms 7372 KB Output is correct
18 Correct 6 ms 7372 KB Output is correct
19 Correct 6 ms 7372 KB Output is correct
20 Correct 6 ms 7372 KB Output is correct
21 Correct 7 ms 7372 KB Output is correct
22 Correct 7 ms 7372 KB Output is correct
23 Correct 8 ms 7332 KB Output is correct
24 Correct 7 ms 7372 KB Output is correct
25 Correct 6 ms 7372 KB Output is correct
26 Correct 6 ms 7372 KB Output is correct
27 Correct 6 ms 7372 KB Output is correct
28 Correct 6 ms 7444 KB Output is correct
29 Correct 6 ms 7372 KB Output is correct
30 Correct 6 ms 7372 KB Output is correct
31 Correct 3303 ms 13684 KB Output is correct
32 Correct 127 ms 11632 KB Output is correct
33 Correct 261 ms 11808 KB Output is correct
34 Correct 2540 ms 11856 KB Output is correct
35 Correct 1489 ms 13636 KB Output is correct
36 Correct 290 ms 13660 KB Output is correct
37 Correct 234 ms 11576 KB Output is correct
38 Correct 127 ms 11580 KB Output is correct
39 Correct 114 ms 11620 KB Output is correct
40 Correct 125 ms 11568 KB Output is correct
41 Correct 346 ms 11576 KB Output is correct
42 Correct 464 ms 11504 KB Output is correct
43 Correct 1785 ms 13792 KB Output is correct
44 Correct 294 ms 11524 KB Output is correct
45 Correct 188 ms 11580 KB Output is correct
46 Correct 96 ms 11580 KB Output is correct
47 Correct 84 ms 11592 KB Output is correct
48 Correct 82 ms 11532 KB Output is correct
49 Correct 102 ms 11556 KB Output is correct
50 Correct 268 ms 11776 KB Output is correct
51 Correct 95 ms 11576 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1706 ms 31940 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1275 ms 27420 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7384 KB Output is correct
2 Correct 6 ms 7372 KB Output is correct
3 Correct 5 ms 7372 KB Output is correct
4 Correct 5 ms 7372 KB Output is correct
5 Correct 6 ms 7412 KB Output is correct
6 Correct 7 ms 7372 KB Output is correct
7 Correct 7 ms 7436 KB Output is correct
8 Correct 6 ms 7372 KB Output is correct
9 Correct 7 ms 7372 KB Output is correct
10 Correct 6 ms 7372 KB Output is correct
11 Correct 6 ms 7372 KB Output is correct
12 Correct 6 ms 7372 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 7 ms 7372 KB Output is correct
15 Correct 8 ms 7372 KB Output is correct
16 Correct 7 ms 7372 KB Output is correct
17 Correct 6 ms 7372 KB Output is correct
18 Correct 6 ms 7372 KB Output is correct
19 Correct 6 ms 7372 KB Output is correct
20 Correct 6 ms 7372 KB Output is correct
21 Correct 7 ms 7372 KB Output is correct
22 Correct 7 ms 7372 KB Output is correct
23 Correct 8 ms 7332 KB Output is correct
24 Correct 7 ms 7372 KB Output is correct
25 Correct 6 ms 7372 KB Output is correct
26 Correct 6 ms 7372 KB Output is correct
27 Correct 6 ms 7372 KB Output is correct
28 Correct 6 ms 7444 KB Output is correct
29 Correct 6 ms 7372 KB Output is correct
30 Correct 6 ms 7372 KB Output is correct
31 Correct 3303 ms 13684 KB Output is correct
32 Correct 127 ms 11632 KB Output is correct
33 Correct 261 ms 11808 KB Output is correct
34 Correct 2540 ms 11856 KB Output is correct
35 Correct 1489 ms 13636 KB Output is correct
36 Correct 290 ms 13660 KB Output is correct
37 Correct 234 ms 11576 KB Output is correct
38 Correct 127 ms 11580 KB Output is correct
39 Correct 114 ms 11620 KB Output is correct
40 Correct 125 ms 11568 KB Output is correct
41 Correct 346 ms 11576 KB Output is correct
42 Correct 464 ms 11504 KB Output is correct
43 Correct 1785 ms 13792 KB Output is correct
44 Correct 294 ms 11524 KB Output is correct
45 Correct 188 ms 11580 KB Output is correct
46 Correct 96 ms 11580 KB Output is correct
47 Correct 84 ms 11592 KB Output is correct
48 Correct 82 ms 11532 KB Output is correct
49 Correct 102 ms 11556 KB Output is correct
50 Correct 268 ms 11776 KB Output is correct
51 Correct 95 ms 11576 KB Output is correct
52 Incorrect 311 ms 16660 KB Output isn't correct
53 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7384 KB Output is correct
2 Correct 6 ms 7372 KB Output is correct
3 Correct 5 ms 7372 KB Output is correct
4 Correct 5 ms 7372 KB Output is correct
5 Correct 6 ms 7412 KB Output is correct
6 Correct 7 ms 7372 KB Output is correct
7 Correct 7 ms 7436 KB Output is correct
8 Correct 6 ms 7372 KB Output is correct
9 Correct 7 ms 7372 KB Output is correct
10 Correct 6 ms 7372 KB Output is correct
11 Correct 6 ms 7372 KB Output is correct
12 Correct 6 ms 7372 KB Output is correct
13 Correct 6 ms 7372 KB Output is correct
14 Correct 7 ms 7372 KB Output is correct
15 Correct 8 ms 7372 KB Output is correct
16 Correct 7 ms 7372 KB Output is correct
17 Correct 6 ms 7372 KB Output is correct
18 Correct 6 ms 7372 KB Output is correct
19 Correct 6 ms 7372 KB Output is correct
20 Correct 6 ms 7372 KB Output is correct
21 Correct 7 ms 7372 KB Output is correct
22 Correct 7 ms 7372 KB Output is correct
23 Correct 8 ms 7332 KB Output is correct
24 Correct 7 ms 7372 KB Output is correct
25 Correct 6 ms 7372 KB Output is correct
26 Correct 6 ms 7372 KB Output is correct
27 Correct 6 ms 7372 KB Output is correct
28 Correct 6 ms 7444 KB Output is correct
29 Correct 6 ms 7372 KB Output is correct
30 Correct 6 ms 7372 KB Output is correct
31 Correct 3303 ms 13684 KB Output is correct
32 Correct 127 ms 11632 KB Output is correct
33 Correct 261 ms 11808 KB Output is correct
34 Correct 2540 ms 11856 KB Output is correct
35 Correct 1489 ms 13636 KB Output is correct
36 Correct 290 ms 13660 KB Output is correct
37 Correct 234 ms 11576 KB Output is correct
38 Correct 127 ms 11580 KB Output is correct
39 Correct 114 ms 11620 KB Output is correct
40 Correct 125 ms 11568 KB Output is correct
41 Correct 346 ms 11576 KB Output is correct
42 Correct 464 ms 11504 KB Output is correct
43 Correct 1785 ms 13792 KB Output is correct
44 Correct 294 ms 11524 KB Output is correct
45 Correct 188 ms 11580 KB Output is correct
46 Correct 96 ms 11580 KB Output is correct
47 Correct 84 ms 11592 KB Output is correct
48 Correct 82 ms 11532 KB Output is correct
49 Correct 102 ms 11556 KB Output is correct
50 Correct 268 ms 11776 KB Output is correct
51 Correct 95 ms 11576 KB Output is correct
52 Incorrect 1706 ms 31940 KB Output isn't correct
53 Halted 0 ms 0 KB -