Submission #1183608

#	Time	Username	Problem	Language	Result	Execution time	Memory
1183608		De3b0o	Railway Trip 2 (JOI22_ho_t4)	C++17	0 / 100	358 ms	27204 KiB

Main

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define ll long long
#define F first
#define S second
#define in insert
#define pb push_back
#define ppb pop_back()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "Yes" << "\n";
#define no cout << "No" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define mid ((l+r)/2)
#define lc (2*x)
#define rc (2*x+1)

using namespace std;
using namespace __gnu_pbds;

/*

⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡤⣴⠟⠋⢠⣴⣾⣿⡟⠋⠉⡳⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠑⠒⠦⢤⣄⡀⠀⣴⡟⠋⡀⢠⣬⣿⣿⡿⠳⣄⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣴⣫⡾⠋⠀⣶⣿⢿⣿⣥⠄⠠⠞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⣌⣩⣿⡯⠁⣬⣭⣽⣿⣿⡟⠁⠈⠉⠝⢦⠀⠀
⠀⠀⠀⠀⠀⠀⠀⡼⣽⣟⡀⣠⣼⣿⣿⠟⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⠃⠀⢠⣿⣿⣿⣿⡟⠀⠀⠀⠀⠀⠀⠱⣄
⠀⠀⠀⠀⠀⠀⠸⠃⠻⣿⣿⣿⣿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠰⣿⣧⣀⣼⠘⣿⠿⣸⠏⠀⣄⠀⠀⠀⠀⠀⠀⠈
⠀⠀⠀⠀⠀⠀⠇⠀⠀⠘⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⣿⣿⣿⣿⣿⣿⣏⠀⠀⠈⡄⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⠋⠀⠀⠀⠀⠀⠀⠀⢀⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣿⣿⣿⣿⣿⡝⠳⠀⢰⢱⡀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⡾⠁⠀⠀⠀⠀⠀⠀⠀⢠⣾⣇⠀⢸⠀⠀⠀⠀⠀⠀⠀⢱⢹⣷⠀⠀⠀⠀⠀⠰⡆⠉⠀⠀⠀⠀⠀⠀⢻⣿⣿⣿⣿⣷⡄⠀⠀⡏⡇⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢠⠞⠀⢀⡔⠀⠀⠀⠀⠀⢀⣿⡿⢹⠀⢸⠀⠀⠀⠀⠀⡀⠀⠘⣿⡿⣷⠀⠀⠀⠀⠀⠹⡀⠀⢳⡀⠀⠀⠀⠀⢻⣿⣿⣿⣿⣿⡄⠀⢿⣻⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⡴⢣⡞⠀⠀⠀⠀⠀⢀⣾⡿⠁⢸⡇⢸⡇⠀⠀⠀⠀⣇⠀⠀⣿⠁⠙⣧⠀⠀⠀⠀⠀⢳⡀⠈⣇⠀⠀⠀⠀⠈⣿⣿⣿⣿⣿⣿⣆⢸⣟⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⡞⠀⠀⠀⠀⠀⠀⣼⡿⣁⣘⣀⢧⠈⣿⠀⠀⠀⠀⠸⡄⠀⣸⣀⣀⣹⣷⡀⠀⠀⠀⠀⢧⠀⢸⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⡿⣿⣿⢀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⣼⠀⠀⠀⠀⠀⠀⣰⡿⠋⡽⠉⠉⠘⡆⣿⣧⠀⠀⠀⠀⢧⠀⣿⣿⠉⠉⠙⣯⡑⠒⠀⠀⠘⣧⠘⡇⠀⠀⠀⠀⠀⢿⠐⠂⣩⠏⠀⣿⢿⡜⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢸⠃⠀⠀⠀⠀⠀⢰⣿⠃⣴⠁⠀⠀⠀⢻⣼⠹⡆⠀⠀⠀⢸⡇⣿⡟⠀⠀⠀⠈⢿⣄⠀⠀⠀⠙⡆⣷⠀⠀⠀⠀⠀⢸⣄⣠⣏⠀⢠⣿⡎⢧⣂⠀⠀⠀
⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⣾⠏⢠⣀⣀⣀⡠⠄⠀⢿⣧⠹⡄⠀⠀⠀⣿⣿⣣⠀⠳⣄⠀⠀⠹⣧⡀⠀⠀⢻⢻⠀⠀⠀⠀⠀⠀⣿⣷⣾⣷⡾⣿⡇⠸⣿⠀⠀⠀
⠀⠀⠀⠀⠀⢰⡇⠀⠀⠀⠀⠀⣸⣿⢀⣶⡿⠟⢛⣿⣷⣄⠈⣿⣆⠹⡄⠀⠀⢸⡇⣿⣀⣴⣾⠿⢿⣷⣮⣍⡀⠀⠀⣾⠀⡀⠀⠀⠀⠀⣿⡟⢻⠋⣻⣿⡇⠀⢿⡄⠀⠀
⠀⠀⠀⠀⡀⡜⠀⠀⠀⠀⠀⠀⣿⣿⡿⠋⠀⠐⢻⣿⣿⣿⡀⠈⣿⣦⡙⣄⠀⠸⡇⢸⠛⠛⠀⠀⠠⣾⣿⣿⣿⣦⡀⢸⠀⡇⠀⠀⠀⠀⣿⣶⣾⣿⣿⣿⠃⠀⢸⡇⠀⠀
⠀⠀⠀⠀⡆⠀⠀⠀⠀⠀⠀⢠⣿⡼⠃⠀⠀⣶⣾⣿⣿⣿⡇⠀⠈⢷⡙⢮⣀⠀⣿⠈⠄⠀⠀⢠⣤⣿⣿⣿⣿⣿⣿⣾⢲⡇⠀⠀⠀⠀⡿⣿⣿⣿⣿⡟⠀⠀⢸⣷⠀⠀
⠀⠀⠀⣤⡇⢰⠀⠀⠀⠀⠀⢸⣿⡇⠀⠀⠀⢻⡿⣿⣷⢿⠇⠀⠀⠀⠳⡄⠈⠳⢼⡀⠀⠀⠀⢸⣿⣿⣿⣿⣿⡟⢸⡏⣼⠁⠀⠀⢀⡶⣷⣿⣿⣿⣿⠃⠀⠀⠀⣿⠀⠀
⠀⠀⢰⣻⠀⢸⡇⠀⠀⠀⠀⣼⣿⣿⡄⠀⠀⠘⢧⣀⣰⠞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⡇⠀⠤⠀⣹⠁⢠⣣⠇⠀⠀⠀⢸⡇⣿⣿⣿⣿⣿⠀⠀⠀⠀⣿⠀⠀
⠀⠀⡄⠀⠀⢸⣇⠀⢀⠀⠀⣷⣿⡿⢿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠒⠒⠚⠃⠀⣸⡿⠀⠀⠀⠀⢸⡇⣿⣿⣿⣿⣿⠀⠀⠀⠀⣿⠀⠀
⠀⢰⠁⠀⠀⠀⣿⡄⠘⢦⠀⣿⡫⠐⣺⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣿⠀⠀⠀⠀⠀⢸⣿⣿⣿⡿⠟⠁⠀⠀⠀⠀⠘⠀⠀
⠀⢸⠀⠀⠀⣷⣹⣷⠀⠈⡾⠋⠀⠀⣿⣳⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡼⢹⡇⣼⠀⠀⠀⠀⣼⣿⡟⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠈⠁⠀⠀⠀⢷⡻⢧⡞⠁⠉⠉⠭⣅⣈⢧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠀⣼⣸⠃⠀⠀⠀⢀⣿⡏⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠁⠀⣿⣄⠀⠀⠀⠀⠈⠙⠳⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⣷⡇⠀⠀⠀⡀⢸⡿⠀⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⡄⠀⠀⠀⠀⠀⠀⠀⠀⡟⢸⡷⣄⠀⠀⠀⠀⠀⠀⠉⠢⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⠴⣾⠙⣿⠁⠀⠀⢠⡇⣾⣷⣼⠥⠤⠤⣤⣄⣀⡀⠀⠀⠀⠀⠀
⡀⠀⠀⠀⠀⠀⠀⠀⢠⡇⣿⡇⣿⣳⣄⠀⠀⠀⠀⠀⠀⠈⠑⣦⣄⠀⠀⠀⠀⠀⠀⠀⢀⣠⡤⠒⠋⣀⡾⠃⢠⡏⠀⠀⢠⣿⣿⣯⣿⡏⢀⡔⠋⠁⠀⠈⠉⠲⡄⠀⠀⠀
⡇⠀⠀⠀⠀⠀⠀⠀⢸⡇⣿⣷⢸⣿⣿⡷⢤⠀⠀⠀⠀⠀⠀⠈⢻⣓⢦⣀⣀⣤⠶⠚⠉⠀⢀⡠⠞⠁⠀⢀⡾⠀⠀⢀⣾⣯⢿⣿⠋⠰⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⡃⠀⠀⠀⠀⠀⠀⠀⢸⡇⢸⣹⣯⣿⠃⢧⠀⡷⡄⠀⠀⠀⠀⠀⠀⢡⡿⠛⢙⣿⣦⣠⠴⠚⠉⠀⠀⢀⣠⡿⠁⠀⣠⣾⣯⡽⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢸⡇⢸⡇⠈⠻⡆⠀⡾⠁⠀⠀⠀⠀⠀⠀⢀⣾⣧⠴⢺⣿⡉⠀⠀⠀⠀⢀⣤⢾⡟⠁⢀⣴⠟⠉⠁⢸⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠸⡇⡼⠀⠀⠀⢀⡼⠁⠀⠀⠀⠀⠀⠀⠀⣼⠋⠀⠀⠀⡝⢷⠀⢀⡤⠖⠋⣀⣮⠴⠚⠋⠁⠀⠀⢠⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⠁⠀⠀⢠⠞⠀⠀⠀⠀⠀⠀⠀⠀⣼⡇⠀⠀⢀⣼⣧⠈⡗⣿⠀⠀⠀⠀⠀⠀⠀⣀⠀⠀⠀⡾⠁⢀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢰⡇⠀⣠⣶⠃⠀⠀⠀⠀⠀⠀⠀⠀⣸⡿⠀⠀⢠⣾⠉⢸⢷⣼⣿⡇⠀⠀⠀⢀⡠⠊⠀⠀⠀⡼⠁⢰⠟⢹⡗⢶⣶⡶⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⡼⠀⣰⣿⢿⠀⠀⠀⠀⠀⠀⠀⠀⣴⣿⡇⠀⣰⠟⢹⠀⠀⠈⡽⠛⢷⡀⠀⠀⠁⠀⠀⠀⠀⣸⠁⢠⣾⠀⣼⠃⢠⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⣧⣾⣏⢹⣿⠀⠀⠀⠀⠀⠀⠀⡸⠋⢰⡁⢰⠏⣰⣿⠀⠀⣼⣧⡴⠛⣿⠀⠀⠀⠀⠀⢀⡼⠃⠀⠘⢿⣿⣃⣀⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

*/

typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const ll N = 1e5+9;

ll n , m , k , q;
ll a[N],b[N];
ll d[N],ri[N];
multiset<ll> s;
vector<ll> v[N];
ll p[N][20];
ll po[20];
ll st , tr;
ll seg[4*N];
ll c[N];

void sb(ll x , ll l , ll r)
{
    if(l==r)
    {
        seg[x]=c[l];
        return;
    }
    sb(lc,l,mid);
    sb(rc,mid+1,r);
    seg[x]=max(seg[lc],seg[rc]);
}

ll sg(ll x , ll l , ll r , ll l1 , ll r1)
{
    if(l>r1||r<l1)
        return 0;
    if(l>=l1&&r<=r1)
        return seg[x];
    return max(sg(lc,l,mid,l1,r1),sg(rc,mid+1,r,l1,r1));
}

bool check(ll x)
{
    ll f1 = st;
    ll y = x;
    for(int j = 19 ; j>=0 ; j--)
    {
        if(y>=po[j])
        {
            y-=po[j];
            f1=p[f1][j];
        }
    }
    if(f1>=tr)
        return 1;
    else
        return 0;
}

ll mx(ll l , ll r)
{
    return sg(1,1,n,l,r);
}

int main()
{
    d3
    po[0]=1;
    for(int i = 1 ; 20>i ; i++)
        po[i]=po[i-1]*2;
    cin >> n >> k;
    cin >> m;
    for(int i = 1 ; m>=i ; i++)
        cin >> a[i] >> b[i];
    for(int i = 1 ; n>=i ; i++)
        ri[i]=i;
    for(int i = 1 ; m>=i ; i++)
    {
        if(a[i]<b[i])
        {
            v[a[i]].pb(b[i]);
            v[min(a[i]+k-1,b[i]-1)+1].pb(-b[i]);
        }
    }
    for(int i = 1 ; n>=i ; i++)
    {
        for(auto it : v[i])
        {
            if(it<0)
                s.erase(s.find(-it));
            else
                s.in(it);
        }
        if(!s.empty())
            ri[i]=*(--s.end());
    }
    for(int i = 1 ; n>=i ; i++)
        p[i][0]=ri[i];
    for(int j = 1 ; 20>j ; j++)
    {
        for(int i = 1 ; n>=i ; i++)
            c[i]=p[i][j-1];
        sb(1,1,n);
        for(int i = 1 ; n>=i ; i++)
            p[i][j]=mx(i,p[i][j-1]);
    }
    cin >> q;
    while(q--)
    {
        cin >> st >> tr;
        ll l = 1 , r = n;
        ll ans = -1;
        while(l<=r)
        {
            if(check(mid))
                ans=mid,r=mid-1;
            else
                l=mid+1;
        }
        cans
    }
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 25
• Subtask 5: 0 / 35
• Subtask 6: 0 / 13