Submission #1125967

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125967		underwaterkillerwhale	즐거운 사진 수집 (JOI13_collecting)	C++20	100 / 100	1288 ms	60020 KiB

collecting

//#include"holiday.h"
#include <bits/stdc++.h>
#define ll long long
#define rep(i,m,n) for(int i=(m); i<=(n); i++)
#define REB(i,m,n) for(int i=(m); i>=(n); i--)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define MP make_pair
#define fs first
#define se second
#define bit(msk, i) ((msk >> i) & 1)
#define iter(id, v) for(auto id : v)
#define pb push_back
#define SZ(v) (ll)v.size()
#define ALL(v) v.begin(),v.end()

using namespace std;

mt19937_64 rd(chrono :: steady_clock :: now ().time_since_epoch().count());
ll Rand (ll l, ll r) { return uniform_int_distribution<ll> (l, r) (rd); }

const int N = 2e6 + 7;
const int Mod = 1e9 + 7;///lon
const int INF = 1e9 + 7;
const ll BASE = 137;
const int szBL = 450;

int n, Q;
pii qr[N];
int cnt[2][25][5];///0:row 1:collum

struct Segment_Tree {
    int m;
    int st[N << 2];

    void build (int id, int l, int r, int typ, int high) {
        if (l == r) {
            cnt[typ][high][0]++;
            return;
        }
        int mid = l + r >> 1;
        build (id << 1, l, mid, typ, high + 1);
        build (id << 1 | 1, mid + 1, r, typ, high + 1);
        cnt[typ][high][0]++;
    }

    void init (int n, int typ) {
        m = n;
        build(1, 1, n, typ, 1);
    }

    int mer (int lc, int rc) {
        if (lc == 2 || rc == 2 || lc != rc) return 2;
        else return lc;
    }

    void update (int id, int l, int r, int pos, int typ, int high) {
        if (l > pos || r < pos) return;
        if (l == r) {
            cnt[typ][high][st[id]]--;
            st[id] ^= 1;
            cnt[typ][high][st[id]]++;
            return;
        }
        int mid = l + r >> 1;
        update (id << 1, l, mid, pos, typ, high + 1);
        update (id << 1 | 1, mid + 1, r, pos, typ, high + 1);
        cnt[typ][high][st[id]]--;
        st[id] = mer(st[id << 1], st[id << 1 | 1]);
        cnt[typ][high][st[id]]++;
//        cout << typ <<" "<<st[id] <<" dasdsad\n";
    }

    void update (int pos, int typ) {
        update (1, 1, m, pos, typ, 1);
    }
}ST[2];

void solution() {
    cin >> n >> Q;
    rep (i, 0, 1) ST[i].init(1 << n, i);
    rep (q, 1, Q) {
        cin >> qr[q].fs >> qr[q].se;
        if (qr[q].fs == 0) ST[0].update(qr[q].se, 0);
        else ST[1].update(qr[q].se, 1);
        ll res = 0;
        REB (i, n + 1, 1) {
//            rep (typ, 0, 1) {
//                rep (k, 0, 2) cout <<i<<","<<typ<<","<<k<<": "<<cnt[typ][i][k] <<"\n";
//            }
//            cout<<"\n";
//            cout<<"\n";
            res += 1LL * cnt[0][i][2] * (cnt[1][i][1] + cnt[1][i][2] + cnt[1][i][0]);
            res += 1LL * (cnt[0][i][1] + cnt[0][i][0]) * cnt[1][i][2];
            if (i <= n)
                res -= 4LL * (cnt[0][i][1] + cnt[0][i][0]) * (cnt[1][i][0] + cnt[1][i][1]);
            res += 1LL * (cnt[0][i][0] + cnt[0][i][1]) * (cnt[1][i][0] + cnt[1][i][1]);
        }
        cout <<res <<"\n";
    }
}

#define file(name) freopen(name".inp","r",stdin); \
freopen(name".out","w",stdout);
int main () {
//    file("c");
    ios_base :: sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int num_Test = 1;
//    cin >> num_Test;
    while (num_Test--)
        solution();
}
/*
no bug challenge +33
2 1
0 1
*/

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 70 / 70