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답안 #378902

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
378902 2021-03-17T07:17:04 Z FatihSolak Plahte (COCI17_plahte) C++17
0 / 160
 2000 ms 268788 KB 
#include <bits/stdc++.h>
#define N 80005
#define M 1000000005
#define INF 2000000000000000005ll
using namespace std;
int dep[N];
int ans[N];
int par[N];
int pr[N];
set<int> col[N];
vector<int> de[N];
map<int,multiset<pair<long long,pair<long long,long long>>>> t;
struct Node{
    int a,b,c,d,pos;
    bool operator < (const Node other)const{
        if(a == other.a){
            return 1ll*(c-a)*(d-b) < 1ll*(other.c-other.a)*(other.d-other.b);
        }
        return a < other.a;
    }
};
void upd(int v,int tl,int tr,int l,int r,long long val1,long long val2,long long val3,int ok){
    if(tr < l || r < tl){
        return;
    }
    if(l <= tl && tr <= r){
        if(ok){
            assert(t[v].count({val1,{val2,val3}}));
            t[v].erase(t[v].find({val1,{val2,val3}}));
        }
        else{
            t[v].insert({val1,{val2,val3}});
        }
        return;
    }
    int tm = (tl+tr)/2;
    upd(v*2,tl,tm,l,r,val1,val2,val3,ok);
    upd(v*2+1,tm+1,tr,l,r,val1,val2,val3,ok);
}
pair<long long,pair<long long,long long>> get(int v,int l,int r,int pos){
    int m = (l+r)/2;
    if(l == r){
        if(t[v].empty()){
            return make_pair(INF,make_pair(INF,INF));
        }
        return *t[v].begin();
    }
    if(pos<=m){
        if(t[v].empty()){
            return min(make_pair(INF,make_pair(INF,INF)),get(v*2,l,m,pos));
        }
        return min(*t[v].begin(),get(v*2,l,m,pos));
    }
    else{
        if(t[v].empty()){
            return min(make_pair(INF,make_pair(INF,INF)),get(v*2+1,m+1,r,pos));
        }
        return min(*t[v].begin(),get(v*2+1,m+1,r,pos));
    }
}
void go_par(int v){
    ans[v] = col[pr[v]].size();
    if(par[v] == -1){
        return;
    }
    if(col[pr[v]].size() > col[pr[par[v]]].size()){
        for(auto u:col[pr[par[v]]]){
            col[pr[v]].insert(u);
        }
        pr[par[v]] = pr[v];
    }
    else{
        for(auto u:col[pr[v]]){
            col[pr[par[v]]].insert(u);
        }
    }
}
void solve(){
    int n,m;
    cin >> n >> m;
    vector<Node> v;
    for(int i = 0;i<n;i++){
        int a,b,c,d;
        cin >> a >> b >> c >> d;
        v.push_back({a,b,c,d,i});
    }
    sort(v.begin(),v.end());
    set<pair<int,Node>> s;
    for(auto u:v){
        while(s.size() && s.begin()->first < u.a){
            auto k = s.begin()->second;
            s.erase(s.begin());
            upd(1,1,M,k.b,k.d,1ll*(k.c-k.a)*(k.d-k.b) ,dep[k.pos],k.pos,1);
        }
        auto k = get(1,1,M,u.b);
        if(k.first == INF){
            par[u.pos] = -1;
        }
        else{
            dep[u.pos] = dep[k.second.second] - 1;
            par[u.pos] = k.second.second;
        }
        s.insert({u.c,u});
        upd(1,1,M,u.b,u.d,1ll*(u.c-u.a)*(u.d-u.b) ,dep[u.pos],u.pos,0);
    }
    assert(clock() < 1500);
    /*
    for(int i=0;i<n;i++){
        cout << par[i] << endl;
    }*/
    vector<pair<int,pair<int,int>>> v2;
    for(int i=0;i<m;i++){
        int a,b,c;
        cin >> a >> b >> c;
        v2.push_back({a,{b,c}});
    }
    sort(v2.begin(),v2.end());
    t.clear();
    s.clear();
    int cnt = 0;
    for(auto u:v2){
        while(cnt != n && v[cnt].a <= u.first){
            auto k = v[cnt];
            upd(1,1,M,k.b,k.d,1ll*(k.c-k.a)*(k.d-k.b) ,dep[k.pos],k.pos,0);
            s.insert({k.c,k});
            cnt++;
        }
        while(s.size() && s.begin()->first < u.first){
            auto k = s.begin()->second;
            s.erase(s.begin());
            upd(1,1,M,k.b,k.d,1ll*(k.c-k.a)*(k.d-k.b) ,dep[k.pos],k.pos,1);
        }
        auto k = get(1,1,M,u.second.first);
        if(k.first == INF){
            continue;
        }
        else{
            col[k.second.second].insert(u.second.second);
        }
    }
    /*
    for(int i=0;i<n;i++){
        for(auto u:col[i])cout << u << " ";
        cout << endl;
    }*/
    for(int i=0;i<n;i++){
        dep[i] = -1*dep[i];
        pr[i] = i;
        de[dep[i]].push_back(i);
    }
    for(int i=n-1;i>=0;i--){
        for(auto u:de[i]){
            go_par(u);
        }
    }
    for(int i=0;i<n;i++){
        cout << ans[i] << endl;
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    #ifdef Local
    freopen("in.txt","r",stdin);
    freopen("out.txt","w",stdout);
    #endif
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    #ifdef Local
    cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

Subtask #1
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 692 ms 73208 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1095 ms 153372 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1974 ms 268788 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2097 ms 197296 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2059 ms 181084 KB Time limit exceeded
2 Halted 0 ms 0 KB -