Submission #743987

#	Time	Username	Problem	Language	Result	Execution time	Memory
743987		beepbeepsheep	Weirdtree (RMI21_weirdtree)	C++17	13 / 100	2076 ms	6352 KiB

weirdtree

#include "weirdtree.h"
#include <bits/stdc++.h>
#define ll long long
#define ii pair<ll,ll>
#define cerr if (0) cerr
using namespace std;
ll n;
vector<ll> v;
void initialise(int N, int Q, int H[]) {
	// Your code here.
	n=N;
	v.emplace_back(0);
	for (int i=1;i<=N;i++){
        v.emplace_back(H[i]);
	}
}
void cut(int l, int r, int k) {
    ll lb=0,rb=1000000000,mb;
    while (lb!=rb-1){
        mb=(lb+rb)>>1;
        ll ans=0;
        for (int i=l;i<=r;i++){
            ans+=max(v[i]-mb,0LL);
        }
        if (ans>=k) lb=mb;
        else rb=mb;
    }
    ll s=l,e=r+2,m;
    while (s!=e-1){
        m=(s+e)>>1;
        ll ans=0;
        for (int i=l;i<m;i++){
            ans+=max(v[i]-lb,0LL);
        }
        for (int i=m;i<=r;i++){
            ans+=max(v[i]-lb-1,0LL);
        }
        if (ans>k) e=m;
        else s=m;
    }
    for (int i=l;i<s;i++){
        v[i]=min(lb,v[i]);
    }
    for (int i=s;i<=r;i++){
        v[i]=min(lb+1,v[i]);
    }
	// Your code here.
}
void magic(int i, int x) {
    v[i]=x;
	// Your code here.
}
long long int inspect(int l, int r) {
	// Your code here.
	ll ans=0;
	for (int i=l;i<=r;i++){
        ans+=v[i];
	}
	return ans;
}

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