Submission #702869

#	Time	Username	Problem	Language	Result	Execution time	Memory
702869		Nursik	Weirdtree (RMI21_weirdtree)	C++14	13 / 100	156 ms	27708 KiB

weirdtree

#include "weirdtree.h"
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
 #include <cstdint>
#include <cassert>
#include <functional>
#include <complex>

using namespace std;

#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second

const int maxn = 1e6 + 200, maxm = 1e4 + 200, inf = 1e9;

int n;
ll t[maxn * 4];
pair<ll, ll> tmx[maxn * 4];
void upd(int pos, ll val, int v = 1, int tl = 1, int tr = n){
    if (tl == tr){
        t[v] += val;
        tmx[v].s = tl;
        tmx[v].f += val;
        return;
    }
    int tm = (tl + tr) / 2;
    if (pos <= tm){
        upd(pos, val, v + v, tl, tm);
    }
    else{
        upd(pos, val, v + v + 1, tm + 1, tr);
    }
    t[v] = t[v + v] + t[v + v + 1];
    if (tmx[v + v].f == tmx[v + v + 1].f){
        tmx[v].f = tmx[v + v].f, tmx[v].s = min(tmx[v + v].s, tmx[v + v + 1].s);
    }
    else{
        tmx[v] = max(tmx[v + v], tmx[v + v + 1]);
    }
}
ll get(int l, int r, int v = 1, int tl = 1, int tr = n){
    if (l <= tl && tr <= r){
        return t[v];
    }
    if (l > tr || r < tl)
        return 0;
    int tm = (tl + tr) / 2;
    return get(l, r, v + v, tl, tm) + get(l, r, v + v + 1, tm + 1, tr);
}
pair<ll, ll> getmx(int l, int r, int v = 1, int tl = 1, int tr = n){
    if (l <= tl && tr <= r){
        return tmx[v];
    }
    if (l > tr || r < tl)
        return mp(0, -inf);
    int tm = (tl + tr) / 2;
    pair<ll, ll> curl = getmx(l, r, v + v, tl, tm);
    pair<ll, ll> curr = getmx(l, r, v + v + 1, tm + 1, tr);
    if (curl.f == curr.f){
        if (curl.s < curr.s)
            return curl;
        else
            return curr;
    }
    else{
        return max(curl, curr);
    }
}
void initialise(int N, int Q, int h[]) {
	// Your code here.
    n = N;
    for (int i = 1; i <= n; ++i){
        upd(i, h[i]);
    }
}
void cut(int l, int r, int k) {
    if (k == 1){
        pair<ll, ll> cur = getmx(l, r);
        int pos = cur.s;
        if (cur.f > 0){
            upd(pos, -1);
        }
    }
}
void magic(int i, int x) {
	// Your code here.
    ll val = get(i, i);
    ll z = x;
    upd(i, z - val);
}
long long int inspect(int l, int r) {
	// Your code here.
	return get(l, r);
}

• 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