제출 #1325048

#제출 시각아이디문제언어결과실행 시간메모리
1325048Zbyszek99Council (JOI23_council)C++20
100 / 100
513 ms43500 KiB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define ll long long
#define ld long double
#define ull unsigned long long
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define siz(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
//mt19937 mt;void random_start(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll los(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;

pii dp1[(1<<20)];
pair<pll,pll> dp2[(1<<20)]; 
int cnt[20];
int vote[300001];

pair<pll,pll> add2(pair<pll,pll> a, pll b)
{
    if(b.ss == a.ff.ss)
    {
        a.ff = max(a.ff,b);
    }
    else if(b.ss == a.ss.ss)
    {
        a.ss = max(a.ss,b);
        if(a.ss > a.ff) swap(a.ff,a.ss);
    }
    else if(a.ff < b)
    {
        swap(a.ff,a.ss);
        a.ff = b;
    }
    else if(a.ss < b)
    {
        a.ss = b;
    }
    return a;
}

pair<pll,pll> merge(pair<pll,pll> a, pair<pll,pll> b)
{
    a = add2(a,b.ff);
    a = add2(a,b.ss);
    return a;
}

pii add(pii x, int a)
{
    if(x.ff == -1)
    {
        x.ff = a;
        return x;
    }
    if(x.ss == -1)
    {
        x.ss = a;
        return x;
    }
    return x;
}

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //random_start();
    int n,m;
    cin >> n >> m;
    rep(i,(1<<m)) dp1[i] = {-1,-1};
    rep(i,n)
    {
        rep(j,m)
        {
            char z;
            cin >> z;
            if(z == '1')
            {
                cnt[j]++;
                vote[i] += (1<<j);
            }
        }
        dp1[vote[i]] = add(dp1[vote[i]],i);
    }
    rep(j,m)
    {
        rep(i,(1<<m))
        {
            if(i&(1<<j)) 
            {
                dp1[i] = add(dp1[i],dp1[i-(1<<j)].ff);
                dp1[i] = add(dp1[i],dp1[i-(1<<j)].ss);
            }
        }
    }
    rep(i,(1<<m))
    {
        int m2 = (i^((1<<m)-1));
        if(dp1[m2].ff != -1) dp2[i].ff = {count_bits(i),dp1[m2].ff};
        else dp2[i].ff = {0,-1};
        if(dp1[m2].ss != -1) dp2[i].ss = {count_bits(i),dp1[m2].ss};
        else dp2[i].ss = {0,-1};
    }
    rep(j,m)
    {
        rep(i,(1<<m))
        {
            if(i&(1<<j)) dp2[i] = merge(dp2[i],dp2[i-(1<<j)]);
        }
    }
    rep(i,n)
    {
        int ans = 0;
        int mask = 0;
        rep(j,m)
        {
            if(cnt[j]-((vote[i]&(1<<j))==(1<<j)) > (n/2)) ans++;
            if(cnt[j]-((vote[i]&(1<<j))==(1<<j)) == (n/2)) mask += (1<<j);
        }
        if(dp2[mask].ff.ss == i) ans += dp2[mask].ss.ff;
        else ans += dp2[mask].ff.ff;
        cout << ans << "\n";
    }
}
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