oj.uz

Submission #917896

# Submission time Handle Problem Language Result Execution time Memory
917896 2024-01-29T03:15:45 Z CSQ31 New Home (APIO18_new_home) C++17
47 / 100
 5000 ms 325080 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXT = 3e6,MAXN = 3e5+1;
int n,q,k;
vector<int>ans(MAXN,-1),T;
multiset<int,greater<int>>lines[MAXT];
map<int,int>crd;
int N;
void upd(int v,int l,int r,int pos){
    if(l==r){
        if(lines[l].empty())T[v] = -1e9;
        else T[v] = *lines[l].begin();
        return;
    }
    int tm = (l+r)/2;
    if(pos<=tm)upd(2*v,l,tm,pos);
    else upd(2*v+1,tm+1,r,pos);
    T[v] = max(T[2*v],T[2*v+1]);
}
int query(int v,int l,int r,int tl,int tr){
    if(l>r)return -1e9;
    if(l==tl && r==tr)return T[v];
    int tm = (tl+tr)/2;
    return max(query(2*v,l,min(r,tm),tl,tm),
               query(2*v+1,max(l,tm+1),r,tm+1,tr));
}
int di(int a,int b){
    if(a+b>=0)return (a+b+1)/2;
    else return (a+b)/2;
}
void change(int l,int r,bool mode){
    int x = di(l,r);
    int y = r - x;
    int i = crd[x];
    if(mode)lines[i].insert(x+y);
    else lines[i].erase(lines[i].find(x+y));
    upd(1,0,N,i);
}
vector<pii>sweep;
vector<int>comp;
void solve(){
    vector<multiset<int>>store(k+1);
    //coordinate compress
    for(int i=1;i<=k;i++){
        store[i].insert(-1e8);
        store[i].insert(2e8);
    }
    for(auto z:sweep){
        int t = z.fi;
        int x = z.se;
        if(t > k){
            comp.pb(x);
            continue;
        }
        if(t>0){ 
            if(store[t].find(x) != store[t].end()){
                store[t].insert(x);
                continue;
            }
            auto r = store[t].lb(x);
            auto l = r;
            l--;
            comp.pb(di(*l,x));
            comp.pb(di(x,*r));
            store[t].insert(x);
        }else{ 
            t*=-1;
            store[t].erase(store[t].find(x));
            if(store[t].find(x) != store[t].end())continue;
            auto r = store[t].lb(x);
            auto l = r;
            l--;
            comp.pb(di(*l,*r));
        }
    }
    comp.pb(5e7);
    sort(all(comp));
    comp.resize(unique(all(comp)) - comp.begin());
    for(int i=0;i<sz(comp);i++)crd[comp[i]] = i;
    N = sz(comp)-1;
    T.assign(4*(N+1),-1e9);

    for(int i=1;i<=k;i++)change(-1e8,2e8,1);
    //cout<<"TES"<<'\n';
    //for(int x:comp)cout<<x<<" ";
    //cout<<'\n';
    
    for(auto z : sweep){
        int t = z.fi;
        int x = z.se;
        if(t > k){
            t-=k+1;
            ans[t] = max(ans[t],query(1,0,crd[x],0,N) - x);
            continue;
        }
        if(t>0){ 
            if(store[t].find(x) != store[t].end()){
                store[t].insert(x);
                continue;
            }
            auto r = store[t].lb(x);
            auto l = r;
            l--;
            change(*l,x,1);
            change(x,*r,1);
            change(*l,*r,0);
            store[t].insert(x);
        }else{ 
            t*=-1;
            store[t].erase(store[t].find(x));
            if(store[t].find(x) != store[t].end())continue;
            auto r = store[t].lb(x);
            auto l = r;
            l--;
            change(*l,*r,1);
            change(x,*r,0);
            change(*l,x,0);
        } 
    }

    for(int i=0;i<N;i++)lines[i].clear();
    comp.clear();
    crd.clear();


}
int main()
{
    owo
    map<int,vector<pii>>pt;
    cin>>n>>k>>q;
    for(int i=0;i<n;i++){
        int x,t,a,b;
        cin>>x>>t>>a>>b;
        pt[a].pb({t,x}); //add
        pt[b+1].pb({-t,x}); //remove
    }
    for(int i=0;i<q;i++){
        int l,y;
        cin>>l>>y;
        pt[y].pb({i+k+1,l});
    }
    for(auto z:pt){
        for(auto x:z.se){if(x.fi <= k)sweep.pb(x);}
        for(auto x:z.se){if(x.fi > k)sweep.pb(x);}
    }
    solve();
    for(pii &x:sweep)x.se = 1e8 - x.se;
    solve();
    for(int i=0;i<q;i++){
        if(ans[i]>=1e8)ans[i] = -1;
        cout<<ans[i]<<'\n';
    }


}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142420 KB Output is correct
2 Correct 39 ms 142420 KB Output is correct
3 Correct 39 ms 142420 KB Output is correct
4 Correct 38 ms 142420 KB Output is correct
5 Correct 38 ms 142572 KB Output is correct
6 Correct 41 ms 142936 KB Output is correct
7 Correct 41 ms 142676 KB Output is correct
8 Correct 40 ms 142680 KB Output is correct
9 Correct 41 ms 142676 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 39 ms 142672 KB Output is correct
12 Correct 40 ms 142684 KB Output is correct
13 Correct 42 ms 142684 KB Output is correct
14 Correct 44 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 40 ms 142680 KB Output is correct
17 Correct 41 ms 142684 KB Output is correct
18 Correct 41 ms 142676 KB Output is correct
19 Correct 41 ms 142788 KB Output is correct
20 Correct 41 ms 142784 KB Output is correct
21 Correct 39 ms 142424 KB Output is correct
22 Correct 41 ms 142676 KB Output is correct
23 Correct 40 ms 142780 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142676 KB Output is correct
26 Correct 42 ms 142728 KB Output is correct
27 Correct 40 ms 142416 KB Output is correct
28 Correct 45 ms 142672 KB Output is correct
29 Correct 40 ms 142684 KB Output is correct
30 Correct 39 ms 142816 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142420 KB Output is correct
2 Correct 39 ms 142420 KB Output is correct
3 Correct 39 ms 142420 KB Output is correct
4 Correct 38 ms 142420 KB Output is correct
5 Correct 38 ms 142572 KB Output is correct
6 Correct 41 ms 142936 KB Output is correct
7 Correct 41 ms 142676 KB Output is correct
8 Correct 40 ms 142680 KB Output is correct
9 Correct 41 ms 142676 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 39 ms 142672 KB Output is correct
12 Correct 40 ms 142684 KB Output is correct
13 Correct 42 ms 142684 KB Output is correct
14 Correct 44 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 40 ms 142680 KB Output is correct
17 Correct 41 ms 142684 KB Output is correct
18 Correct 41 ms 142676 KB Output is correct
19 Correct 41 ms 142788 KB Output is correct
20 Correct 41 ms 142784 KB Output is correct
21 Correct 39 ms 142424 KB Output is correct
22 Correct 41 ms 142676 KB Output is correct
23 Correct 40 ms 142780 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142676 KB Output is correct
26 Correct 42 ms 142728 KB Output is correct
27 Correct 40 ms 142416 KB Output is correct
28 Correct 45 ms 142672 KB Output is correct
29 Correct 40 ms 142684 KB Output is correct
30 Correct 39 ms 142816 KB Output is correct
31 Correct 1189 ms 185028 KB Output is correct
32 Correct 167 ms 148088 KB Output is correct
33 Correct 1139 ms 187260 KB Output is correct
34 Correct 1166 ms 184084 KB Output is correct
35 Correct 1292 ms 187816 KB Output is correct
36 Correct 1202 ms 191092 KB Output is correct
37 Correct 721 ms 182508 KB Output is correct
38 Correct 710 ms 185544 KB Output is correct
39 Correct 569 ms 181904 KB Output is correct
40 Correct 620 ms 185048 KB Output is correct
41 Correct 905 ms 183272 KB Output is correct
42 Correct 884 ms 186268 KB Output is correct
43 Correct 93 ms 151528 KB Output is correct
44 Correct 877 ms 183200 KB Output is correct
45 Correct 832 ms 183020 KB Output is correct
46 Correct 788 ms 182984 KB Output is correct
47 Correct 472 ms 180876 KB Output is correct
48 Correct 503 ms 183904 KB Output is correct
49 Correct 525 ms 181704 KB Output is correct
50 Correct 589 ms 185768 KB Output is correct
51 Correct 534 ms 185032 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5038 ms 304024 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5012 ms 325080 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142420 KB Output is correct
2 Correct 39 ms 142420 KB Output is correct
3 Correct 39 ms 142420 KB Output is correct
4 Correct 38 ms 142420 KB Output is correct
5 Correct 38 ms 142572 KB Output is correct
6 Correct 41 ms 142936 KB Output is correct
7 Correct 41 ms 142676 KB Output is correct
8 Correct 40 ms 142680 KB Output is correct
9 Correct 41 ms 142676 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 39 ms 142672 KB Output is correct
12 Correct 40 ms 142684 KB Output is correct
13 Correct 42 ms 142684 KB Output is correct
14 Correct 44 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 40 ms 142680 KB Output is correct
17 Correct 41 ms 142684 KB Output is correct
18 Correct 41 ms 142676 KB Output is correct
19 Correct 41 ms 142788 KB Output is correct
20 Correct 41 ms 142784 KB Output is correct
21 Correct 39 ms 142424 KB Output is correct
22 Correct 41 ms 142676 KB Output is correct
23 Correct 40 ms 142780 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142676 KB Output is correct
26 Correct 42 ms 142728 KB Output is correct
27 Correct 40 ms 142416 KB Output is correct
28 Correct 45 ms 142672 KB Output is correct
29 Correct 40 ms 142684 KB Output is correct
30 Correct 39 ms 142816 KB Output is correct
31 Correct 1189 ms 185028 KB Output is correct
32 Correct 167 ms 148088 KB Output is correct
33 Correct 1139 ms 187260 KB Output is correct
34 Correct 1166 ms 184084 KB Output is correct
35 Correct 1292 ms 187816 KB Output is correct
36 Correct 1202 ms 191092 KB Output is correct
37 Correct 721 ms 182508 KB Output is correct
38 Correct 710 ms 185544 KB Output is correct
39 Correct 569 ms 181904 KB Output is correct
40 Correct 620 ms 185048 KB Output is correct
41 Correct 905 ms 183272 KB Output is correct
42 Correct 884 ms 186268 KB Output is correct
43 Correct 93 ms 151528 KB Output is correct
44 Correct 877 ms 183200 KB Output is correct
45 Correct 832 ms 183020 KB Output is correct
46 Correct 788 ms 182984 KB Output is correct
47 Correct 472 ms 180876 KB Output is correct
48 Correct 503 ms 183904 KB Output is correct
49 Correct 525 ms 181704 KB Output is correct
50 Correct 589 ms 185768 KB Output is correct
51 Correct 534 ms 185032 KB Output is correct
52 Correct 1072 ms 195788 KB Output is correct
53 Correct 1059 ms 192292 KB Output is correct
54 Correct 1214 ms 190000 KB Output is correct
55 Correct 927 ms 187584 KB Output is correct
56 Correct 837 ms 190940 KB Output is correct
57 Correct 875 ms 184428 KB Output is correct
58 Correct 965 ms 187188 KB Output is correct
59 Correct 921 ms 191192 KB Output is correct
60 Correct 865 ms 187660 KB Output is correct
61 Correct 204 ms 166188 KB Output is correct
62 Correct 1218 ms 196304 KB Output is correct
63 Correct 1244 ms 191556 KB Output is correct
64 Correct 1190 ms 189180 KB Output is correct
65 Correct 1108 ms 188304 KB Output is correct
66 Correct 928 ms 183252 KB Output is correct
67 Correct 266 ms 150468 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142420 KB Output is correct
2 Correct 39 ms 142420 KB Output is correct
3 Correct 39 ms 142420 KB Output is correct
4 Correct 38 ms 142420 KB Output is correct
5 Correct 38 ms 142572 KB Output is correct
6 Correct 41 ms 142936 KB Output is correct
7 Correct 41 ms 142676 KB Output is correct
8 Correct 40 ms 142680 KB Output is correct
9 Correct 41 ms 142676 KB Output is correct
10 Correct 41 ms 142684 KB Output is correct
11 Correct 39 ms 142672 KB Output is correct
12 Correct 40 ms 142684 KB Output is correct
13 Correct 42 ms 142684 KB Output is correct
14 Correct 44 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 40 ms 142680 KB Output is correct
17 Correct 41 ms 142684 KB Output is correct
18 Correct 41 ms 142676 KB Output is correct
19 Correct 41 ms 142788 KB Output is correct
20 Correct 41 ms 142784 KB Output is correct
21 Correct 39 ms 142424 KB Output is correct
22 Correct 41 ms 142676 KB Output is correct
23 Correct 40 ms 142780 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142676 KB Output is correct
26 Correct 42 ms 142728 KB Output is correct
27 Correct 40 ms 142416 KB Output is correct
28 Correct 45 ms 142672 KB Output is correct
29 Correct 40 ms 142684 KB Output is correct
30 Correct 39 ms 142816 KB Output is correct
31 Correct 1189 ms 185028 KB Output is correct
32 Correct 167 ms 148088 KB Output is correct
33 Correct 1139 ms 187260 KB Output is correct
34 Correct 1166 ms 184084 KB Output is correct
35 Correct 1292 ms 187816 KB Output is correct
36 Correct 1202 ms 191092 KB Output is correct
37 Correct 721 ms 182508 KB Output is correct
38 Correct 710 ms 185544 KB Output is correct
39 Correct 569 ms 181904 KB Output is correct
40 Correct 620 ms 185048 KB Output is correct
41 Correct 905 ms 183272 KB Output is correct
42 Correct 884 ms 186268 KB Output is correct
43 Correct 93 ms 151528 KB Output is correct
44 Correct 877 ms 183200 KB Output is correct
45 Correct 832 ms 183020 KB Output is correct
46 Correct 788 ms 182984 KB Output is correct
47 Correct 472 ms 180876 KB Output is correct
48 Correct 503 ms 183904 KB Output is correct
49 Correct 525 ms 181704 KB Output is correct
50 Correct 589 ms 185768 KB Output is correct
51 Correct 534 ms 185032 KB Output is correct
52 Execution timed out 5038 ms 304024 KB Time limit exceeded
53 Halted 0 ms 0 KB -