답안 #159470

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
159470 2019-10-22T20:17:13 Z ruler Plahte (COCI17_plahte) C++14
0 / 160
699 ms 122984 KB
//khodaya khodet komak kon
#include <bits/stdc++.h>

#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimise ("ofast")
#pragma GCC optimise("unroll-loops")

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int N = 200000 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000000000000000;
const ll LOG = 25;

int n, m, col[N], par[N];
ll lazy[N << 4];
vi COL[N];
pair<pii, pii> rect[N];
pii poi[N];
vector<int> Px, Py;
vector<pair<pii, int>> vl[N << 2], vr[N << 2];
vector<pii> Ge[N << 2]; 
unordered_map<int, int> kojx, kojy;

void modify(int id, ll x){
    lazy[id] += x;
    return;
}

void shift(int id){
    modify(id << 1, lazy[id]);
    modify(id << 1 | 1, lazy[id]);
    lazy[id] = 0;
    return;
}

void add(int id, int lq, int rq, int x, int l, int r){
    if (rq <= l || r <= lq) return;
    if (lq <= l && r <= rq){
        modify(id, x);
        return;
    }
    int mid = (l + r) >> 1;
    shift(id);
    add(id << 1, lq, rq, x, l, mid);
    add(id << 1 | 1, lq, rq, x, mid, r);
    //seg[id] = seg[id << 1] + seg[id << 1 | 1];
    return;
}

ll get(int id, int lq, int rq, int l, int r){
    if (rq <= l || r <= lq) return 0;
    if (lq <= l && r <= rq){
        return lazy[id];
    }
    shift(id);
    int mid = (l + r) >> 1;
    return get(id << 1, lq, rq, l, mid) + get(id << 1 | 1, lq, rq, mid, r);
}

vi G[N], sub_t[N];
int child[N], cnt[N], ans[N];

void DFS_c(int v = 0, int p = 0){
    child[v] += COL[v].size();
    for (auto u:G[v]){
        if (u == p) continue;
        DFS_c(u, v);
        child[v] += child[u];
    }
    return;
}

void DFS(int v = 0, int p = 0, bool f = 1){
    int Mx = -1, ind = N - 1;
    for (auto u:G[v]){
        if (u == p) continue;
        if (Mx < child[u]) Mx = child[u], ind = u;
    }
    for (auto u:G[v]){
        if (u == p) continue;
        if (u == ind) DFS(u, v, 1);
        else DFS(u, v, 0);
    }
    ans[v] = ans[ind];
    sub_t[v].swap(sub_t[ind]);
    for (auto u:G[v]){
        if (u == p || u == ind) continue;
        for (auto x:sub_t[u]){
            cnt[col[x]] ++;
            sub_t[v].pb(x);
            if (cnt[col[x]] == 1) ans[v]++;
        }
        sub_t[u].shrink_to_fit();
    }
    for (auto u:COL[v]){
        cnt[col[u]]++;
        if (cnt[col[u]] == 1) ans[v]++;
        sub_t[v].pb(u);
    }
    if (f == 0){
        for (auto u:sub_t[v]){
            cnt[col[u]] --;
        }
    }
    return;
}

void solve(){
    DFS_c(0);
    DFS();
    return;
}

vector<int> CC;
map<int, int> kojC;
int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++){
        int x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        rect[i] = {{x1, y1}, {x2, y2}};
        Px.pb(x1), Px.pb(x2), Py.pb(y1), Py.pb(y2);
    }
    for (int i = 1; i <= m; i++){
        cin >> poi[i].F >> poi[i].S >> col[i];
        CC.pb(col[i]);
        Px.pb(poi[i].F), Py.pb(poi[i].S);
    }
    sort(all(CC));
    CC.resize(unique(all(CC)) - CC.begin());
    for (int i = 0; i < CC.size(); i++){
        kojC[CC[i]] = i + 1;
    }
    for (int i = 1; i <= m; i++){
        col[i] = kojC[col[i]];
    }
    sort(all(Px));
    sort(all(Py));
    Px.resize(unique(all(Px)) - Px.begin());
    Py.resize(unique(all(Py)) - Py.begin());
    for (int i = 0; i < Px.size(); i++) kojx[Px[i]] = i + 1;
    for (int i = 0; i < Py.size(); i++) kojy[Py[i]] = i + 1;
    for (int i = 1; i <= n; i++){
        vl[kojx[rect[i].F.F]].pb(make_pair(make_pair(kojy[rect[i].F.S], kojy[rect[i].S.S]), i));
        vr[kojx[rect[i].S.F]].pb(make_pair(make_pair(kojy[rect[i].F.S], kojy[rect[i].S.S]), i));
    }
    for (int i = 1; i <= m; i++){
        Ge[kojx[poi[i].F]].pb(make_pair(kojy[poi[i].S], i));
    }
    //return 0;
    for (int i = 1; i < (N << 2); i++){
        for (auto u:vl[i]){
            //cout << u.S << '\n';
            //cout << u.F.F << ' ' << u.F.S << '\n';
            par[u.S] = get(1, u.F.F, u.F.F + 1, 1, (N << 3));
            add(1, u.F.F, u.F.S + 1, u.S - par[u.S], 1, (N << 3));
        }
        for (auto u:Ge[i]){
            ll dad = get(1, u.F, u.F + 1, 1, (N << 3));
            COL[dad].pb(u.S);
        }
        for (auto u:vr[i]){
            add(1, u.F.F, u.F.S + 1, par[u.S] - u.S, 1, (N << 3));
        }
        vl[i].shrink_to_fit();
        vr[i].shrink_to_fit();
        Ge[i].shrink_to_fit();
    }
    //for (int i = 1; i <= n; i++) cout << par[i] << ' ';
    for (int i = 1; i <= m; i++){
        G[par[i]].pb(i);
        G[i].pb(par[i]);
    }
    //return 0;
    solve();
    for (int i = 1; i <= n; i++) cout << ans[i] << '\n';




    return 0;
}

Compilation message

plahte.cpp:8:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
 #pragma GCC optimise ("ofast")
 
plahte.cpp:9:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
 #pragma GCC optimise("unroll-loops")
 
plahte.cpp: In function 'int main()':
plahte.cpp:140:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < CC.size(); i++){
                     ~~^~~~~~~~~~~
plahte.cpp:150:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < Px.size(); i++) kojx[Px[i]] = i + 1;
                     ~~^~~~~~~~~~~
plahte.cpp:151:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < Py.size(); i++) kojy[Py[i]] = i + 1;
                     ~~^~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 245 ms 85708 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 263 ms 88900 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 418 ms 102808 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 691 ms 122984 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 699 ms 121208 KB Output isn't correct
2 Halted 0 ms 0 KB -