oj.uz

Submission #917893

# Submission time Handle Problem Language Result Execution time Memory
917893 2024-01-29T03:08:39 Z CSQ31 New Home (APIO18_new_home) C++17
5 / 100
 5000 ms 325228 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,crd[x]);
}
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;
            for(int i=1;i<=k;i++){
                int mn = 1e9;
                for(int x1 : store[i]) mn = min(mn,abs(x-x1));
                ans[t] = max(ans[t],mn);
            }
            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 142428 KB Output is correct
2 Correct 38 ms 142428 KB Output is correct
3 Correct 38 ms 142416 KB Output is correct
4 Correct 38 ms 142380 KB Output is correct
5 Correct 41 ms 142420 KB Output is correct
6 Correct 40 ms 142680 KB Output is correct
7 Correct 43 ms 142684 KB Output is correct
8 Correct 42 ms 142672 KB Output is correct
9 Correct 43 ms 142672 KB Output is correct
10 Correct 41 ms 142676 KB Output is correct
11 Correct 39 ms 142532 KB Output is correct
12 Correct 41 ms 142672 KB Output is correct
13 Correct 40 ms 142684 KB Output is correct
14 Correct 39 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 41 ms 142672 KB Output is correct
17 Correct 40 ms 142676 KB Output is correct
18 Correct 42 ms 142672 KB Output is correct
19 Correct 45 ms 142840 KB Output is correct
20 Correct 42 ms 142676 KB Output is correct
21 Correct 42 ms 142672 KB Output is correct
22 Correct 47 ms 142804 KB Output is correct
23 Correct 42 ms 142824 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142648 KB Output is correct
26 Correct 39 ms 142576 KB Output is correct
27 Correct 39 ms 142428 KB Output is correct
28 Correct 42 ms 142676 KB Output is correct
29 Correct 39 ms 142940 KB Output is correct
30 Correct 39 ms 142672 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142428 KB Output is correct
2 Correct 38 ms 142428 KB Output is correct
3 Correct 38 ms 142416 KB Output is correct
4 Correct 38 ms 142380 KB Output is correct
5 Correct 41 ms 142420 KB Output is correct
6 Correct 40 ms 142680 KB Output is correct
7 Correct 43 ms 142684 KB Output is correct
8 Correct 42 ms 142672 KB Output is correct
9 Correct 43 ms 142672 KB Output is correct
10 Correct 41 ms 142676 KB Output is correct
11 Correct 39 ms 142532 KB Output is correct
12 Correct 41 ms 142672 KB Output is correct
13 Correct 40 ms 142684 KB Output is correct
14 Correct 39 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 41 ms 142672 KB Output is correct
17 Correct 40 ms 142676 KB Output is correct
18 Correct 42 ms 142672 KB Output is correct
19 Correct 45 ms 142840 KB Output is correct
20 Correct 42 ms 142676 KB Output is correct
21 Correct 42 ms 142672 KB Output is correct
22 Correct 47 ms 142804 KB Output is correct
23 Correct 42 ms 142824 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142648 KB Output is correct
26 Correct 39 ms 142576 KB Output is correct
27 Correct 39 ms 142428 KB Output is correct
28 Correct 42 ms 142676 KB Output is correct
29 Correct 39 ms 142940 KB Output is correct
30 Correct 39 ms 142672 KB Output is correct
31 Execution timed out 5064 ms 182616 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5041 ms 306408 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 5046 ms 325228 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142428 KB Output is correct
2 Correct 38 ms 142428 KB Output is correct
3 Correct 38 ms 142416 KB Output is correct
4 Correct 38 ms 142380 KB Output is correct
5 Correct 41 ms 142420 KB Output is correct
6 Correct 40 ms 142680 KB Output is correct
7 Correct 43 ms 142684 KB Output is correct
8 Correct 42 ms 142672 KB Output is correct
9 Correct 43 ms 142672 KB Output is correct
10 Correct 41 ms 142676 KB Output is correct
11 Correct 39 ms 142532 KB Output is correct
12 Correct 41 ms 142672 KB Output is correct
13 Correct 40 ms 142684 KB Output is correct
14 Correct 39 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 41 ms 142672 KB Output is correct
17 Correct 40 ms 142676 KB Output is correct
18 Correct 42 ms 142672 KB Output is correct
19 Correct 45 ms 142840 KB Output is correct
20 Correct 42 ms 142676 KB Output is correct
21 Correct 42 ms 142672 KB Output is correct
22 Correct 47 ms 142804 KB Output is correct
23 Correct 42 ms 142824 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142648 KB Output is correct
26 Correct 39 ms 142576 KB Output is correct
27 Correct 39 ms 142428 KB Output is correct
28 Correct 42 ms 142676 KB Output is correct
29 Correct 39 ms 142940 KB Output is correct
30 Correct 39 ms 142672 KB Output is correct
31 Execution timed out 5064 ms 182616 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 142428 KB Output is correct
2 Correct 38 ms 142428 KB Output is correct
3 Correct 38 ms 142416 KB Output is correct
4 Correct 38 ms 142380 KB Output is correct
5 Correct 41 ms 142420 KB Output is correct
6 Correct 40 ms 142680 KB Output is correct
7 Correct 43 ms 142684 KB Output is correct
8 Correct 42 ms 142672 KB Output is correct
9 Correct 43 ms 142672 KB Output is correct
10 Correct 41 ms 142676 KB Output is correct
11 Correct 39 ms 142532 KB Output is correct
12 Correct 41 ms 142672 KB Output is correct
13 Correct 40 ms 142684 KB Output is correct
14 Correct 39 ms 142684 KB Output is correct
15 Correct 42 ms 142684 KB Output is correct
16 Correct 41 ms 142672 KB Output is correct
17 Correct 40 ms 142676 KB Output is correct
18 Correct 42 ms 142672 KB Output is correct
19 Correct 45 ms 142840 KB Output is correct
20 Correct 42 ms 142676 KB Output is correct
21 Correct 42 ms 142672 KB Output is correct
22 Correct 47 ms 142804 KB Output is correct
23 Correct 42 ms 142824 KB Output is correct
24 Correct 41 ms 142684 KB Output is correct
25 Correct 41 ms 142648 KB Output is correct
26 Correct 39 ms 142576 KB Output is correct
27 Correct 39 ms 142428 KB Output is correct
28 Correct 42 ms 142676 KB Output is correct
29 Correct 39 ms 142940 KB Output is correct
30 Correct 39 ms 142672 KB Output is correct
31 Execution timed out 5064 ms 182616 KB Time limit exceeded
32 Halted 0 ms 0 KB -