Submission #1008971

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008971		LilPluton	Addk (eJOI21_addk)	C++14	0 / 100	2076 ms	3412 KiB

Main

#include <bits/stdc++.h>
/// author: LilPluton auuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
#define OPT ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define pb push_back
#define intt long long
#define arr array
#define vll vector<ll>
#define fi first
#define se second
#define rep(i,j,k) for(int i = j; i <= k; ++i)
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define endll '\n'
using namespace std;

const intt N = 2e5 + 6;
const intt mod = 1e9 + 7;
int a[N], t[N * 4];

void build(ll node,ll l, ll r)
{
    if(l == r)
    {
        t[node] = a[l];
        return;
    }
    ll mid = (l + r) / 2;
    build(node * 2, l, mid);
    build(node * 2 + 1, mid + 1, r);
    t[node] = t[node * 2] + t[node * 2 + 1];
}

ll getans(ll node,ll tl,ll tr,ll l, ll r)
{
    if(l > r)
        return 0;
    if(l <= tl && tr <= r)
        return t[node];
    ll mid = (tl + tr) / 2;

    ll q1 = getans(node * 2, tl, mid, l, min(mid, r));
    ll q2 = getans(node * 2 + 1, mid + 1, tr, max(mid + 1, l), r);
    return q1 + q2;
}


signed main()
{
    OPT
    ll n, k;
    cin >> n >> k;
    for(ll i = 1; i <= n; ++i)
        cin >> a[i];
    build(1,1,n);   

    ll q;
    cin >> q;
    while(q--)
    {
        ll t;
        cin >> t;
        if(t == 1)
        {
            ll p;
            cin >> p;
        }
        else
        {
            ll l, r, m, ans = 0;
            cin >> l >> r >> m;
            for(ll i = l; i + m - 1 <= r; ++i)
            {
                ans += getans(1, 1, n, i, i + m - 1);
            }
            cout << ans << endll;
        }
    }

}

• Subtask 1: 0 / 36
• Subtask 2: 0 / 56
• Subtask 3: 0 / 8