Submission #825577

#	Time	Username	Problem	Language	Result	Execution time	Memory
825577		andecaandeci	Addk (eJOI21_addk)	C++17	0 / 100	2079 ms	2780 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long
#define tup tuple<int, int, int>
#define pii pair<int, int>
#define fi first
#define se second
#define pub push_back
#define pob pop_back
int n, k, q;
int arr[100004];
vector<int> segtr;
void build(int i, int l, int r) {
    if(l == r) {
        segtr[i] = arr[l];
        return;
    }
    int mid = (l+r)/2;
    build(i*2, l, mid);
    build(i*2+1, mid+1, r);
    segtr[i] = segtr[i*2] + segtr[i*2+1];
}
void update(int i, int l, int r, int idx, int val) {
    if(l == r) {
        segtr[i] = val;
        return;
    }
    int mid = (l+r)/2;
    if(idx <= mid) update(i*2, l, mid, idx, val);
    else update(i*2+1, mid+1, r, idx, val);
    segtr[i] = segtr[i*2] + segtr[i*2+1];
}
int query(int i, int l, int r, int ql, int qr) {
    if(ql <= l && qr >= r) return segtr[i];
    if(ql > r || qr < l) return 0;
    int mid = (l+r)/2;
    return query(i*2, l, mid, ql, qr) + query(i*2+1, mid+1, r, ql, qr);
}
signed main() {
    ioss;
    cin >> n >> k;
    segtr.assign(4*n, 0);
    for(int i = 1; i <= n; i++) cin >> arr[i];
    build(1, 1, n);
    cin >> q;
    for(int i = 0; i < q; i++) {
        int x; cin >> x;
        if(x == 1) {
            vector<int> tmp(k+2);
            for(int j = 1; j <= k; j++) cin >> tmp[j];
            if(k == 1) continue;
            for(int j = 2; j <= k; j++) swap(arr[tmp[j-1]], arr[tmp[j]]);
            for(int j = 1; j <= k; j++) update(1, 1, n, tmp[j], arr[tmp[j]]);
        }
        else {
            int l, r, m;
            cin >> l >> r >> m;
            int ans = 0;
            for(int j = l; j <= r-m+1; j++) ans += query(1, 1, n, j, j+m-1);
            cout << ans << endl;
        }
    }
}

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