Submission #1124598

#	Time	Username	Problem	Language	Result	Execution time	Memory
1124598		Zero_OP	Weirdtree (RMI21_weirdtree)	C++20	13 / 100	2094 ms	20804 KiB

weirdtree

#include <bits/stdc++.h>
#ifndef LOCAL
    #include "weirdtree.h"
#endif // LOCAL

using namespace std;

#define rep(i, l, r) for(int i = (l); i < (r); ++i)
#define sz(v) (int)v.size()
#define dbg(x) "[" #x " = " << (x) << "]"
#define all(v) begin(v), end(v)
#define compact(v) v.erase(unique(all(v)), end(v))
#define file(name) if(fopen(name".inp", "r")){ freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }

template<typename T>
    bool minimize(T& a, const T& b){
        if(a > b){
            return a = b, true;
        }
        return false;
    }

template<typename T>
    bool maximize(T& a, const T& b){
        if(a < b){
            return a = b, true;
        }
        return false;
    }

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

using ll = long long;
using ld = long double;
using ull = unsigned long long;
using vi = vector<int>;
using vl = vector<ll>;

const int MAX = 3e5 + 5;

int N, Q, H[MAX];

namespace subtask12{
    pair<int, int> st[MAX * 4];
    long long sum[MAX * 4];

    void build(int id, int l, int r){
        if(l == r){
            st[id] = {H[l], -l};
            sum[id] = H[l];
        } else{
            int mid = l + r >> 1;
            build(id << 1, l, mid);
            build(id << 1 | 1, mid + 1, r);
            st[id] = max(st[id << 1], st[id << 1 | 1]);
            sum[id] = sum[id << 1] + sum[id << 1 | 1];
        }
    }

    pair<int, int> query(int id, int l, int r, int u, int v){
        if(u <= l && r <= v) return st[id];
        int mid = l + r >> 1;
        if(u > mid) return query(id << 1 | 1, mid + 1, r, u, v);
        if(mid >= v) return query(id << 1, l, mid, u, v);
        return max(query(id << 1, l, mid, u, v), query(id << 1 | 1, mid + 1, r, u, v));
    }

    void update(int id, int l, int r, int pos, int val){
        if(l == r) st[id].first = val, sum[id] = val;
        else{
            int mid = l + r >> 1;
            if(pos <= mid) update(id << 1, l, mid, pos, val);
            else update(id << 1 | 1, mid + 1, r, pos, val);
            st[id] = max(st[id << 1], st[id << 1 | 1]);
            sum[id] = sum[id << 1] + sum[id << 1 | 1];
        }
    }

    long long query_sum(int id, int l, int r, int u, int v){
        if(v < l || u > r) return 0;
        if(u <= l && r <= v) return sum[id];
        int mid = l + r >> 1;
        return query_sum(id << 1, l, mid, u, v) + query_sum(id << 1 | 1, mid + 1, r, u, v);
    }
}

void initialise(int _N, int _Q, int _H[]){
    N = _N;
    Q = _Q;
    for(int i = 1; i <= N; ++i) H[i] = _H[i];

    subtask12::build(1, 1, N);
}

void cut(int l, int r, int k){
//    cout << "cut\n";
    while(k--){
        pair<int, int> cur = subtask12::query(1, 1, N, l, r);
        if(cur.first == 0) return;
        --cur.first;
        subtask12::update(1, 1, N, -cur.second, cur.first);
    }
}

void magic(int i, int x){
//    cout << "magic\n";
    subtask12::update(1, 1, N, i, x);
}

long long inspect(int l, int r){
//    cout << "inspect\n";
    return subtask12::query_sum(1, 1, N, l, r);
}

#ifdef LOCAL
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    file("C");

    int N, Q;
    cin >> N >> Q;

    int H[N + 1];
    for(int i = 1; i <= N; ++i) cin >> H[i];

    initialise(N, Q, H);

    while(Q--){
        int t;
        cin >> t;
        if(t == 1){
            int l, r, k;
            cin >> l >> r >> k;
            cut(l, r, k);
        } else if(t == 2){
            int i, x;
            cin >> i >> x;
            magic(i, x);
        } else{
            int l, r;
            cin >> l >> r;
//            inspect(l, r);
            cout << inspect(l, r) << '\n';
        }
    }

    return 0;
}
#endif LOCAL

Compilation message (stderr)

weirdtree.cpp:151:8: warning: extra tokens at end of #endif directive [-Wendif-labels]
  151 | #endif LOCAL
      |        ^~~~~

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 19
• Subtask 5: 0 / 10
• Subtask 6: 0 / 21
• Subtask 7: 0 / 29