oj.uz

답안 #530585

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
530585 2022-02-25T22:59:23 Z Lobo 운세 보기 2 (JOI14_fortune_telling2) C++17
0 / 100
 1 ms 460 KB 
#include<bits/stdc++.h>
using namespace std;

const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

#define maxn 220000

int n, q, tr[4*maxn], trs[4*maxn], a[maxn], b[maxn], t[maxn], ccval[5*maxn];

void att(int no, int l, int r, int pos, int val) {
    if(l > pos || r < pos) return;
    if(l == r) {
        tr[no] = max(tr[no],val);
        return;
    }
    int f1 = 2*no;
    int f2 = 2*no+1;
    int mid = (l+r)/2;

    att(f1,l,mid,pos,val);
    att(f2,mid+1,r,pos,val);
    tr[no] = max(tr[f1],tr[f2]);
}

int qrr(int no, int l, int r, int L, int R) {
    if(L > R) return 0;
    if(l > R || r < L) return 0;
    if(l >= L && r <= R) return tr[no];
    int f1 = 2*no;
    int f2 = 2*no+1;
    int mid = (l+r)/2;

    return max(qrr(f1,l,mid,L,R),qrr(f2,mid+1,r,L,R));
}

void atts(int no, int l, int r, int pos, int val) {
    if(l > pos || r < pos) return;
    if(l == r) {
        trs[no]+= val;
        return;
    }
    int f1 = 2*no;
    int f2 = 2*no+1;
    int mid = (l+r)/2;

    atts(f1,l,mid,pos,val);
    atts(f2,mid+1,r,pos,val);
    trs[no] = trs[f1]+trs[f2];
}

int qrrs(int no, int l, int r, int L, int R) {
    if(l > R || r < L) return 0;
    if(l >= L && r <= R) return trs[no];
    int f1 = 2*no;
    int f2 = 2*no+1;
    int mid = (l+r)/2;

    return qrrs(f1,l,mid,L,R)+qrrs(f2,mid+1,r,L,R);
}

void solve() {
    cin >> n >> q;
    vector<int> cc;
    for(int i = 1; i <= n; i++) {
        cin >> a[i] >> b[i];
        cc.pb(a[i]);
        cc.pb(b[i]);
    }

    for(int i = 1; i <= q; i++) {
        cin >> t[i];
        cc.pb(t[i]);
    }

    sort(all(cc));
    cc.erase(unique(all(cc)),cc.end());
    int m = cc.size();

    vector<pair<pair<int,int>,pair<int,int>>> qr;
    for(int i = 1; i <= n; i++) {
        int aux;
        aux = a[i];
        a[i] = upper_bound(all(cc),a[i]) - cc.begin();
        ccval[a[i]] = aux;

        aux = b[i];
        b[i] = upper_bound(all(cc),b[i]) - cc.begin();
        ccval[b[i]] = aux;
        qr.pb(mp(mp(max(a[i],b[i]),0),mp(a[i],b[i])));
        // cout << a[i] << " " << b[i] << endl;
    }
    for(int i = 1; i <= q; i++) {
        t[i] = upper_bound(all(cc),t[i]) - cc.begin();
        att(1,1,m,t[i],i);
        qr.pb(mp(mp(t[i],1),mp(i,0)));
        // cout << " att " << t[i] << " " << i << endl;
    }

    sort(all(qr),greater<pair<pair<int,int>,pair<int,int>>>());
    int ans = 0;
    for(auto X : qr) {
        if(X.fr.sc == 0) {
            //query
            //primeiro pega a pos que vai ter que ver ate o final
            int a1 = X.sc.fr;
            int b1 = X.sc.sc;
            // cout << a1 << " " << b1 << endl;
            int pos = qrr(1,1,m,min(a1,b1),max(a1,b1)-1);
            // cout << pos << endl;
            if(pos == 0) pos = 1;
            
            int qtd = qrrs(1,1,m,pos,q);

            if(qtd%2 == 0) ans+= ccval[a1];
            else ans+= ccval[b1];
        }
        else {
            //att
            int pos = X.sc.fr;
            //adicionar 1 em pos
            atts(1,1,m,pos,1);
        }
    }

    cout << ans << endl;
}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(0);

    // freopen("in.in", "r", stdin);
    //freopen("out.out", "w", stdout);

    int tt = 1;
    // cin >> tt;
    while(tt--) solve();

}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -