oj.uz

Submission #917903

# Submission time Handle Problem Language Result Execution time Memory
917903 2024-01-29T04:11:08 Z CSQ31 New Home (APIO18_new_home) C++17
47 / 100
 5000 ms 532812 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),T1,T2;
multiset<int,greater<int>>lines[MAXT],lines2[MAXT];
map<int,int>crd;
int N;
void upd1(int v,int l,int r,int pos){
    if(l==r){
        if(lines[l].empty())T1[v] = -1e9;
        else T1[v] = *lines[l].begin();
        return;
    }
    int tm = (l+r)/2;
    if(pos<=tm)upd1(2*v,l,tm,pos);
    else upd1(2*v+1,tm+1,r,pos);
    T1[v] = max(T1[2*v],T1[2*v+1]);
}
int query1(int v,int l,int r,int tl,int tr){
    if(l>r)return -1e9;
    if(l==tl && r==tr)return T1[v];
    int tm = (tl+tr)/2;
    return max(query1(2*v,l,min(r,tm),tl,tm),
               query1(2*v+1,max(l,tm+1),r,tm+1,tr));
}
void upd2(int v,int l,int r,int pos){
    if(l==r){
        if(lines2[l].empty())T2[v] = -1e9;
        else T2[v] = *lines2[l].begin();
        return;
    }
    int tm = (l+r)/2;
    if(pos<=tm)upd2(2*v,l,tm,pos);
    else upd2(2*v+1,tm+1,r,pos);
    T2[v] = max(T2[2*v],T2[2*v+1]);
}
int query2(int v,int l,int r,int tl,int tr){
    if(l>r)return -1e9;
    if(l==tl && r==tr)return T2[v];
    int tm = (tl+tr)/2;
    return max(query2(2*v,l,min(r,tm),tl,tm),
               query2(2*v+1,max(l,tm+1),r,tm+1,tr));
}

int fl(int a,int b){
    if(a+b>=0)return (a+b)/2;
    else return (a+b-1)/2;
}
int ci(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 = ci(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));
    upd1(1,0,N,i);

    x = fl(l,r);
    i = crd[x];
    if(mode)lines2[i].insert(-l);
    else lines2[i].erase(lines2[i].find(-l));
    upd2(1,0,N,i);
}
vector<pii>sweep;
vector<int>comp;
void addcomp(int a,int b){
    int x = ci(a,b);
    int y = fl(a,b);
    comp.pb(x);
    if(x!=y)comp.pb(y);
}
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--;
            addcomp(*l,x);
            addcomp(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--;
            addcomp(*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;
    T1.assign(4*(N+1),-1e9);
    T2.assign(4*(N+1),-1e9);

    for(int i=1;i<=k;i++)change(-1e8,2e8,1);
    //cout<<"TES"<<'\n';
    
    for(auto z : sweep){
        int t = z.fi;
        int x = z.se;
        if(t > k){
            t-=k+1;
            //cout<<"query "<<x<<" "<<crd[x]<<" "<<query1(1,0,crd[x],0,N)<<" "<<query2(1,crd[x],N,0,N)<<'\n';
            ans[t] = max(ans[t],query1(1,0,crd[x],0,N) - x);
            ans[t] = max(ans[t],query2(1,crd[x],N,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(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 77 ms 283224 KB Output is correct
2 Correct 75 ms 283220 KB Output is correct
3 Correct 74 ms 283220 KB Output is correct
4 Correct 75 ms 283220 KB Output is correct
5 Correct 77 ms 283232 KB Output is correct
6 Correct 76 ms 283728 KB Output is correct
7 Correct 77 ms 283732 KB Output is correct
8 Correct 77 ms 283728 KB Output is correct
9 Correct 77 ms 283732 KB Output is correct
10 Correct 83 ms 283732 KB Output is correct
11 Correct 76 ms 283728 KB Output is correct
12 Correct 78 ms 283660 KB Output is correct
13 Correct 76 ms 283472 KB Output is correct
14 Correct 78 ms 283476 KB Output is correct
15 Correct 80 ms 283988 KB Output is correct
16 Correct 76 ms 283728 KB Output is correct
17 Correct 78 ms 283732 KB Output is correct
18 Correct 76 ms 283728 KB Output is correct
19 Correct 80 ms 283732 KB Output is correct
20 Correct 78 ms 283636 KB Output is correct
21 Correct 77 ms 283532 KB Output is correct
22 Correct 77 ms 283732 KB Output is correct
23 Correct 76 ms 283644 KB Output is correct
24 Correct 79 ms 283648 KB Output is correct
25 Correct 77 ms 283736 KB Output is correct
26 Correct 79 ms 283636 KB Output is correct
27 Correct 77 ms 283476 KB Output is correct
28 Correct 79 ms 283732 KB Output is correct
29 Correct 81 ms 283676 KB Output is correct
30 Correct 78 ms 283664 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 283224 KB Output is correct
2 Correct 75 ms 283220 KB Output is correct
3 Correct 74 ms 283220 KB Output is correct
4 Correct 75 ms 283220 KB Output is correct
5 Correct 77 ms 283232 KB Output is correct
6 Correct 76 ms 283728 KB Output is correct
7 Correct 77 ms 283732 KB Output is correct
8 Correct 77 ms 283728 KB Output is correct
9 Correct 77 ms 283732 KB Output is correct
10 Correct 83 ms 283732 KB Output is correct
11 Correct 76 ms 283728 KB Output is correct
12 Correct 78 ms 283660 KB Output is correct
13 Correct 76 ms 283472 KB Output is correct
14 Correct 78 ms 283476 KB Output is correct
15 Correct 80 ms 283988 KB Output is correct
16 Correct 76 ms 283728 KB Output is correct
17 Correct 78 ms 283732 KB Output is correct
18 Correct 76 ms 283728 KB Output is correct
19 Correct 80 ms 283732 KB Output is correct
20 Correct 78 ms 283636 KB Output is correct
21 Correct 77 ms 283532 KB Output is correct
22 Correct 77 ms 283732 KB Output is correct
23 Correct 76 ms 283644 KB Output is correct
24 Correct 79 ms 283648 KB Output is correct
25 Correct 77 ms 283736 KB Output is correct
26 Correct 79 ms 283636 KB Output is correct
27 Correct 77 ms 283476 KB Output is correct
28 Correct 79 ms 283732 KB Output is correct
29 Correct 81 ms 283676 KB Output is correct
30 Correct 78 ms 283664 KB Output is correct
31 Correct 1185 ms 339648 KB Output is correct
32 Correct 148 ms 288072 KB Output is correct
33 Correct 1086 ms 333636 KB Output is correct
34 Correct 1012 ms 333520 KB Output is correct
35 Correct 1212 ms 339648 KB Output is correct
36 Correct 1144 ms 339320 KB Output is correct
37 Correct 659 ms 331000 KB Output is correct
38 Correct 679 ms 331248 KB Output is correct
39 Correct 570 ms 330580 KB Output is correct
40 Correct 586 ms 330492 KB Output is correct
41 Correct 836 ms 332112 KB Output is correct
42 Correct 889 ms 332168 KB Output is correct
43 Correct 120 ms 289972 KB Output is correct
44 Correct 851 ms 332240 KB Output is correct
45 Correct 852 ms 332204 KB Output is correct
46 Correct 815 ms 332240 KB Output is correct
47 Correct 491 ms 329156 KB Output is correct
48 Correct 477 ms 329240 KB Output is correct
49 Correct 570 ms 330516 KB Output is correct
50 Correct 586 ms 331160 KB Output is correct
51 Correct 548 ms 330440 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5047 ms 514732 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 5061 ms 532812 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 283224 KB Output is correct
2 Correct 75 ms 283220 KB Output is correct
3 Correct 74 ms 283220 KB Output is correct
4 Correct 75 ms 283220 KB Output is correct
5 Correct 77 ms 283232 KB Output is correct
6 Correct 76 ms 283728 KB Output is correct
7 Correct 77 ms 283732 KB Output is correct
8 Correct 77 ms 283728 KB Output is correct
9 Correct 77 ms 283732 KB Output is correct
10 Correct 83 ms 283732 KB Output is correct
11 Correct 76 ms 283728 KB Output is correct
12 Correct 78 ms 283660 KB Output is correct
13 Correct 76 ms 283472 KB Output is correct
14 Correct 78 ms 283476 KB Output is correct
15 Correct 80 ms 283988 KB Output is correct
16 Correct 76 ms 283728 KB Output is correct
17 Correct 78 ms 283732 KB Output is correct
18 Correct 76 ms 283728 KB Output is correct
19 Correct 80 ms 283732 KB Output is correct
20 Correct 78 ms 283636 KB Output is correct
21 Correct 77 ms 283532 KB Output is correct
22 Correct 77 ms 283732 KB Output is correct
23 Correct 76 ms 283644 KB Output is correct
24 Correct 79 ms 283648 KB Output is correct
25 Correct 77 ms 283736 KB Output is correct
26 Correct 79 ms 283636 KB Output is correct
27 Correct 77 ms 283476 KB Output is correct
28 Correct 79 ms 283732 KB Output is correct
29 Correct 81 ms 283676 KB Output is correct
30 Correct 78 ms 283664 KB Output is correct
31 Correct 1185 ms 339648 KB Output is correct
32 Correct 148 ms 288072 KB Output is correct
33 Correct 1086 ms 333636 KB Output is correct
34 Correct 1012 ms 333520 KB Output is correct
35 Correct 1212 ms 339648 KB Output is correct
36 Correct 1144 ms 339320 KB Output is correct
37 Correct 659 ms 331000 KB Output is correct
38 Correct 679 ms 331248 KB Output is correct
39 Correct 570 ms 330580 KB Output is correct
40 Correct 586 ms 330492 KB Output is correct
41 Correct 836 ms 332112 KB Output is correct
42 Correct 889 ms 332168 KB Output is correct
43 Correct 120 ms 289972 KB Output is correct
44 Correct 851 ms 332240 KB Output is correct
45 Correct 852 ms 332204 KB Output is correct
46 Correct 815 ms 332240 KB Output is correct
47 Correct 491 ms 329156 KB Output is correct
48 Correct 477 ms 329240 KB Output is correct
49 Correct 570 ms 330516 KB Output is correct
50 Correct 586 ms 331160 KB Output is correct
51 Correct 548 ms 330440 KB Output is correct
52 Correct 1027 ms 347056 KB Output is correct
53 Correct 956 ms 341640 KB Output is correct
54 Correct 1138 ms 340848 KB Output is correct
55 Correct 835 ms 337224 KB Output is correct
56 Correct 820 ms 339180 KB Output is correct
57 Correct 863 ms 333768 KB Output is correct
58 Correct 904 ms 337288 KB Output is correct
59 Correct 975 ms 339656 KB Output is correct
60 Correct 891 ms 333508 KB Output is correct
61 Correct 226 ms 309736 KB Output is correct
62 Correct 1025 ms 347068 KB Output is correct
63 Correct 1131 ms 342268 KB Output is correct
64 Correct 1183 ms 340164 KB Output is correct
65 Correct 1134 ms 334740 KB Output is correct
66 Correct 936 ms 332236 KB Output is correct
67 Correct 287 ms 291388 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 283224 KB Output is correct
2 Correct 75 ms 283220 KB Output is correct
3 Correct 74 ms 283220 KB Output is correct
4 Correct 75 ms 283220 KB Output is correct
5 Correct 77 ms 283232 KB Output is correct
6 Correct 76 ms 283728 KB Output is correct
7 Correct 77 ms 283732 KB Output is correct
8 Correct 77 ms 283728 KB Output is correct
9 Correct 77 ms 283732 KB Output is correct
10 Correct 83 ms 283732 KB Output is correct
11 Correct 76 ms 283728 KB Output is correct
12 Correct 78 ms 283660 KB Output is correct
13 Correct 76 ms 283472 KB Output is correct
14 Correct 78 ms 283476 KB Output is correct
15 Correct 80 ms 283988 KB Output is correct
16 Correct 76 ms 283728 KB Output is correct
17 Correct 78 ms 283732 KB Output is correct
18 Correct 76 ms 283728 KB Output is correct
19 Correct 80 ms 283732 KB Output is correct
20 Correct 78 ms 283636 KB Output is correct
21 Correct 77 ms 283532 KB Output is correct
22 Correct 77 ms 283732 KB Output is correct
23 Correct 76 ms 283644 KB Output is correct
24 Correct 79 ms 283648 KB Output is correct
25 Correct 77 ms 283736 KB Output is correct
26 Correct 79 ms 283636 KB Output is correct
27 Correct 77 ms 283476 KB Output is correct
28 Correct 79 ms 283732 KB Output is correct
29 Correct 81 ms 283676 KB Output is correct
30 Correct 78 ms 283664 KB Output is correct
31 Correct 1185 ms 339648 KB Output is correct
32 Correct 148 ms 288072 KB Output is correct
33 Correct 1086 ms 333636 KB Output is correct
34 Correct 1012 ms 333520 KB Output is correct
35 Correct 1212 ms 339648 KB Output is correct
36 Correct 1144 ms 339320 KB Output is correct
37 Correct 659 ms 331000 KB Output is correct
38 Correct 679 ms 331248 KB Output is correct
39 Correct 570 ms 330580 KB Output is correct
40 Correct 586 ms 330492 KB Output is correct
41 Correct 836 ms 332112 KB Output is correct
42 Correct 889 ms 332168 KB Output is correct
43 Correct 120 ms 289972 KB Output is correct
44 Correct 851 ms 332240 KB Output is correct
45 Correct 852 ms 332204 KB Output is correct
46 Correct 815 ms 332240 KB Output is correct
47 Correct 491 ms 329156 KB Output is correct
48 Correct 477 ms 329240 KB Output is correct
49 Correct 570 ms 330516 KB Output is correct
50 Correct 586 ms 331160 KB Output is correct
51 Correct 548 ms 330440 KB Output is correct
52 Execution timed out 5047 ms 514732 KB Time limit exceeded
53 Halted 0 ms 0 KB -