Submission #736459

# Submission time Handle Problem Language Result Execution time Memory
736459 2023-05-05T17:03:46 Z GrindMachine Cake (CEOI14_cake) C++17
0 / 100
973 ms 30148 KB
// Om Namah Shivaya

#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) 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 segtree {
    /*=======================================================*/

    struct data {
        ll a;
    };

    data neutral = { -inf2};

    void merge(data &curr, data &left, data &right) {
        curr.a = max(left.a, right.a);
    }

    void create(int x, int lx, int rx, T v) {
        tr[x].a = v;
    }

    void modify(int x, int lx, int rx, T v) {
        tr[x].a = v;
    }

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

    int siz = 1;
    vector<data> tr;

    segtree(int n) {
        init(n);
    }

    segtree() {

    };

    void init(int n) {
        while (siz < n) siz *= 2;
        tr.assign(2 * siz, 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 pupd(int i, T v, int x, int lx, int rx) {
        if (rx - lx == 1) {
            modify(x, lx, rx, v);
            return;
        }

        int mid = (lx + rx) / 2;

        if (i < mid) {
            pupd(i, v, 2 * x + 1, lx, mid);
        }
        else {
            pupd(i, v, 2 * x + 2, mid, rx);
        }

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

    void pupd(int i, T v) {
        pupd(i, v, 0, 0, siz);
    }

    data query(int l, int r, int x, int lx, int rx) {
        if (lx >= r or rx <= l) return 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);
    }

    int closest_right(int l, ll mx, int x, int lx, int rx) {
        if (rx <= l) return -1;
        if (tr[x].a < mx) return -1;
        if (rx - lx == 1) return lx;

        int mid = (lx + rx) >> 1;

        int res = closest_right(l, mx, 2 * x + 1, lx, mid);

        if (res == -1) {
            res = closest_right(l, mx, 2 * x + 2, mid, rx);
        }

        return res;
    }

    int closest_right(int l, ll mx) {
        return closest_right(l, mx, 0, 0, siz);
    }

    int closest_left(int r, ll mx, int x, int lx, int rx) {
        if (lx > r) return -1;
        if (tr[x].a < mx) return -1;
        if (rx - lx == 1) return lx;

        int mid = (lx + rx) >> 1;

        int res = closest_left(r, mx, 2 * x + 2, mid, rx);

        if (res == -1) {
            res = closest_left(r, mx, 2 * x + 1, lx, mid);
        }

        return res;
    }

    int closest_left(int r, ll mx) {
        return closest_left(r, mx, 0, 0, siz);
    }
};

void solve(int test_case)
{
    ll n; cin >> n;
    ll s; cin >> s;
    vector<ll> a(n + 5);
    rep1(i, n) cin >> a[i];

    set<pll, greater<pll>> st;
    rep1(i, n) st.insert({a[i], i});

    segtree<ll> seg(n + 5);
    a[0] = a[n + 1] = inf2;
    seg.build(a, n + 2);

    ll q; cin >> q;

    while (q--) {
        char ch; cin >> ch;
        if (ch == 'E') {
            ll i, k; cin >> i >> k;
            st.erase({a[i], i});
            ll cnt = 0;
            ll v = inf1;
            vector<pll> vals;
            bool flag = true;

            for (auto it = st.begin(); it != st.end(); ++it) {
                cnt++;
                if (cnt < k) {
                    vals.pb(*it);
                    v = it->first - 1;
                }
                else {
                    if (v == it->first) {
                        flag = false;
                    }
                    break;
                }
            }

            if (!flag) {
                trav(p, vals) {
                    a[p.ss]++;
                    st.erase(p);
                    st.insert({p.ff + 1, p.ss});
                    seg.pupd(p.ss, p.ff + 1);
                }

                v--;
            }

            st.insert({v, i});
            seg.pupd(i, v);
            a[i] = v;
        }
        else {
            ll i; cin >> i;
            if (i == s) {
                cout << 0 << endl;
            }
            else if (i < s) {
                ll mx = seg.query(i, s).a;
                ll pos = seg.closest_right(s + 1, mx) - 1;
                ll ans = pos - i;
                cout << ans << endl;
            }
            else {
                ll mx = seg.query(s, i).a;
                ll pos = seg.closest_left(s - 1, mx) + 1;
                ll ans = i - pos;
                cout << ans << endl;
            }
        }
    }
}

int main()
{
    fastio;

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

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

    return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 316 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 380 ms 5548 KB Output isn't correct
2 Incorrect 256 ms 5616 KB Output isn't correct
3 Incorrect 282 ms 5616 KB Output isn't correct
4 Incorrect 197 ms 5704 KB Output isn't correct
5 Incorrect 446 ms 7168 KB Output isn't correct
6 Incorrect 383 ms 7600 KB Output isn't correct
7 Incorrect 311 ms 7328 KB Output isn't correct
8 Incorrect 251 ms 7580 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 103 ms 11296 KB Output isn't correct
2 Incorrect 73 ms 11340 KB Output isn't correct
3 Incorrect 77 ms 11332 KB Output isn't correct
4 Incorrect 1 ms 320 KB Output isn't correct
5 Incorrect 228 ms 25156 KB Output isn't correct
6 Incorrect 202 ms 25036 KB Output isn't correct
7 Incorrect 115 ms 25236 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 1100 KB Output isn't correct
2 Incorrect 35 ms 1228 KB Output isn't correct
3 Incorrect 85 ms 5892 KB Output isn't correct
4 Incorrect 134 ms 5936 KB Output isn't correct
5 Incorrect 120 ms 1804 KB Output isn't correct
6 Incorrect 149 ms 9036 KB Output isn't correct
7 Incorrect 149 ms 3384 KB Output isn't correct
8 Incorrect 221 ms 12012 KB Output isn't correct
9 Incorrect 973 ms 29956 KB Output isn't correct
10 Incorrect 364 ms 5200 KB Output isn't correct
11 Incorrect 503 ms 7884 KB Output isn't correct
12 Incorrect 876 ms 26020 KB Output isn't correct
13 Incorrect 639 ms 30148 KB Output isn't correct