제출 #486013

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
486013		PoPularPlusPlus	Fire (JOI20_ho_t5)	C++17	8 / 100	1088 ms	12772 KiB

ho_t5

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long 
#define pb(e) push_back(e)
#define sv(a) sort(a.begin(),a.end())
#define sa(a,n) sort(a,a+n)
#define mp(a,b) make_pair(a,b)
#define vf first
#define vs second
#define ar array
#define all(x) x.begin(),x.end()
const int inf = 0x3f3f3f3f;
const int mod = 1000000007; 
const double PI=3.14159265358979323846264338327950288419716939937510582097494459230;
bool remender(ll a , ll b){return a%b;}

struct Seg {
	ll siz = 1;
	vector<ll> sums;
	void init(int n){
		while(siz < n)siz*=2;
		
		sums.assign(siz * 2, 0LL);
	}
	
	void build(vector<int>& arr  , int x , int lx , int rx){
		if(rx-lx==1){
			if(lx < (int)arr.size()){
				sums[x] = arr[lx];
			}
			return;
		}
		int m = (lx + rx) / 2;
		build(arr , 2 * x + 1 , lx , m);
		build(arr, 2 * x + 2 , m , rx);
		sums[x] = max(sums[2 * x + 1] , sums[2 * x + 2]);
	}
	
	void build(vector<int>& arr){
		build(arr , 0 , 0 , siz);
	}
	
	void set(int i , int v , int x , int lx , int rx){
		if(rx - lx ==1){
			sums[x] = v;
			return;
		}
		int m = (lx + rx) / 2;
		if(i < m){
			set(i , v , 2 * x + 1 , lx , m);
		}
		else {
			set(i , v , 2 * x + 2 , m , rx);
		}
		sums[x]=max(sums[2 * x + 1] , sums[2 * x + 2]);
	}
	
	void set(int x , int y){
		set(x  ,y , 0 , 0 , siz);
	}
	
	ll sum(int l , int r , int x , int lx , int rx){
		if(lx >= l && rx <= r){
			return sums[x];
		}
		if(lx >= r || rx <= l)return 0;
		int m = (lx + rx) / 2;
		return max(sum(l , r , 2 * x + 1 , lx , m) , sum(l , r , 2 * x + 2 , m , rx));
	}
	
	ll sum(int l , int r){
		return sum(l , r , 0 , 0 , siz);
	}
	
};


void solve(){
	int n,q;
	cin >> n >> q;
	vector<int> arr(n);
	for(int i = 0; i < n; i++)cin >> arr[i];
	Seg st;
	st.init(n + 5);
	st.build(arr);
	while(q--){
		int t , l , r;
		cin >> t >> l >> r;
		l--;
		r--;
		ll ans = 0;
		for(int i = l; i <= r; i++){
			int x = i - t;
			x = max(x , 0);
			ans += st.sum(x , i + 1);
		}
		cout << ans << '\n';
	}
}

int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
	//int t;cin >> t;while(t--)
	solve();
	return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 6
• Subtask 3: 7 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 80