oj.uz

Submission #923588

# Submission time Handle Problem Language Result Execution time Memory
923588 2024-02-07T13:04:02 Z GrindMachine Measures (CEOI22_measures) C++17
100 / 100
 620 ms 39880 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*



*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

template<typename T>
struct lazysegtree {
    /*=======================================================*/

    struct data {
        ll mn,mx,res,active;
    };

    struct lazy {
        ll a;
    };

    data d_neutral = {inf2,-inf2,0,0};
    lazy l_neutral = {0};

    void merge(data &curr, data &left, data &right) {
        curr.mn = min(left.mn,right.mn);
        curr.mx = max(left.mx,right.mx);
        curr.res = max({left.res,right.res,left.mx-right.mn});
        curr.active = left.active+right.active;
    }

    void create(int x, int lx, int rx, T v) {

    }

    void modify(int x, int lx, int rx, T v) {
        if(v.ff == 1){
            lz[x].a = v.ss;
        }
        else{
            tr[x].mn = tr[x].mx = v.ss;
            tr[x].res = 0;
            tr[x].active = 1;
        }
    }

    void propagate(int x, int lx, int rx) {
        ll v = lz[x].a;
        if(!v) return;

        tr[x].mn += v;
        tr[x].mx += v;

        if(rx-lx > 1){
            lz[2*x+1].a += v;
            lz[2*x+2].a += v;
        }

        lz[x] = l_neutral;
    }

    /*=======================================================*/

    int siz = 1;
    vector<data> tr;
    vector<lazy> lz;

    lazysegtree() {

    }

    lazysegtree(int n) {
        while (siz < n) siz *= 2;
        tr.assign(2 * siz, d_neutral);
        lz.assign(2 * siz, l_neutral);
    }

    void build(vector<T> &a, int n, int x, int lx, int rx) {
        if (rx - lx == 1) {
            if (lx < n) {
                create(x, lx, rx, a[lx]);
            }

            return;
        }

        int mid = (lx + rx) / 2;

        build(a, n, 2 * x + 1, lx, mid);
        build(a, n, 2 * x + 2, mid, rx);

        merge(tr[x], tr[2 * x + 1], tr[2 * x + 2]);
    }

    void build(vector<T> &a, int n) {
        build(a, n, 0, 0, siz);
    }

    void rupd(int l, int r, T v, int x, int lx, int rx) {
        propagate(x, lx, rx);

        if (lx >= r or rx <= l) return;
        if (lx >= l and rx <= r) {
            modify(x, lx, rx, v);
            propagate(x, lx, rx);
            return;
        }

        int mid = (lx + rx) / 2;

        rupd(l, r, v, 2 * x + 1, lx, mid);
        rupd(l, r, v, 2 * x + 2, mid, rx);

        merge(tr[x], tr[2 * x + 1], tr[2 * x + 2]);
    }

    void rupd(int l, int r, T v) {
        rupd(l, r + 1, v, 0, 0, siz);
    }

    data query(int l, int r, int x, int lx, int rx) {
        propagate(x, lx, rx);

        if (lx >= r or rx <= l) return d_neutral;
        if (lx >= l and rx <= r) return tr[x];

        int mid = (lx + rx) / 2;

        data curr;
        data left = query(l, r, 2 * x + 1, lx, mid);
        data right = query(l, r, 2 * x + 2, mid, rx);

        merge(curr, left, right);
        return curr;
    }

    data query(int l, int r) {
        return query(l, r + 1, 0, 0, siz);
    }
};

void solve(int test_case)
{
    ll n,m,d; cin >> n >> m >> d;
    d *= 2;
    vector<ll> a(n+5), b(m+5);
    rep1(i,n) cin >> a[i], a[i] *= 2;
    rep1(i,m) cin >> b[i], b[i] *= 2;

    vector<ll> c;
    rep1(i,n) c.pb(a[i]);
    rep1(i,m) c.pb(b[i]);
    c.pb(0);

    sort(all(c));
    ll siz = sz(c)-1;
    map<ll,ll> mp;

    rep1(i,siz){
        if(c[i] != c[i-1]){
            mp[c[i]] = i;
        }
    }

    lazysegtree<pll> st(siz+5);

    auto upd = [&](ll x){
        ll i = mp[x]++;
        st.rupd(i+1,siz,{1,-d});
        ll active = st.query(1,i-1).active;
        st.rupd(i,i,{2,x-d*(active+1)});
    };

    rep1(i,n){
        upd(a[i]);
    }

    rep1(i,m){
        upd(b[i]);
        ll ans = st.query(1,siz).res;
        ans /= 2;
        cout << ans/2;
        if(ans&1) cout << ".5";
        cout << " ";   
    }

    cout << endl;
}

int main()
{
    fastio;

    int t = 1;
    // cin >> t;

    rep1(i, t) {
        solve(i);
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 636 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 600 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 2 ms 656 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 2 ms 636 KB Output is correct
9 Correct 493 ms 36648 KB Output is correct
10 Correct 472 ms 38696 KB Output is correct
11 Correct 245 ms 26132 KB Output is correct
12 Correct 341 ms 38764 KB Output is correct
13 Correct 309 ms 38124 KB Output is correct
14 Correct 316 ms 38360 KB Output is correct
15 Correct 480 ms 37832 KB Output is correct
16 Correct 316 ms 38348 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 411 ms 37580 KB Output is correct
2 Correct 422 ms 39312 KB Output is correct
3 Correct 342 ms 27084 KB Output is correct
4 Correct 410 ms 37324 KB Output is correct
5 Correct 409 ms 38608 KB Output is correct
6 Correct 424 ms 37760 KB Output is correct
7 Correct 423 ms 38964 KB Output is correct
8 Correct 423 ms 37476 KB Output is correct
9 Correct 454 ms 37252 KB Output is correct
10 Correct 422 ms 39764 KB Output is correct
11 Correct 439 ms 37984 KB Output is correct
12 Correct 438 ms 38960 KB Output is correct
13 Correct 446 ms 37324 KB Output is correct
14 Correct 414 ms 39228 KB Output is correct
15 Correct 432 ms 39060 KB Output is correct
16 Correct 421 ms 37320 KB Output is correct
17 Correct 418 ms 38780 KB Output is correct

Subtask #4
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 411 ms 37580 KB Output is correct
2 Correct 422 ms 39312 KB Output is correct
3 Correct 342 ms 27084 KB Output is correct
4 Correct 410 ms 37324 KB Output is correct
5 Correct 409 ms 38608 KB Output is correct
6 Correct 424 ms 37760 KB Output is correct
7 Correct 423 ms 38964 KB Output is correct
8 Correct 423 ms 37476 KB Output is correct
9 Correct 454 ms 37252 KB Output is correct
10 Correct 422 ms 39764 KB Output is correct
11 Correct 439 ms 37984 KB Output is correct
12 Correct 438 ms 38960 KB Output is correct
13 Correct 446 ms 37324 KB Output is correct
14 Correct 414 ms 39228 KB Output is correct
15 Correct 432 ms 39060 KB Output is correct
16 Correct 421 ms 37320 KB Output is correct
17 Correct 418 ms 38780 KB Output is correct
18 Correct 605 ms 37716 KB Output is correct
19 Correct 613 ms 39876 KB Output is correct
20 Correct 361 ms 26980 KB Output is correct
21 Correct 448 ms 37916 KB Output is correct
22 Correct 500 ms 37832 KB Output is correct
23 Correct 418 ms 37472 KB Output is correct
24 Correct 604 ms 38360 KB Output is correct
25 Correct 409 ms 37324 KB Output is correct
26 Correct 596 ms 37284 KB Output is correct
27 Correct 620 ms 39880 KB Output is correct
28 Correct 542 ms 38036 KB Output is correct
29 Correct 568 ms 39632 KB Output is correct
30 Correct 440 ms 37164 KB Output is correct
31 Correct 464 ms 39332 KB Output is correct
32 Correct 426 ms 39112 KB Output is correct
33 Correct 591 ms 37212 KB Output is correct
34 Correct 439 ms 38780 KB Output is correct