제출 #1130613

#제출 시각아이디문제언어결과실행 시간메모리
1130613lopkusAddk (eJOI21_addk)C++20
92 / 100
104 ms5492 KiB
#include <bits/stdc++.h>

#define int long long

using namespace std;

const int N = 1e5 + 5;

struct segtree{
    int t[4*N];
    int query(int v,int tl,int tr,int l,int r){
        if(tl>r||tr<l)return 0;
        if(tl>=l&&tr<=r)return t[v];
        int tm=(tl+tr)/2;
        return (query(v*2,tl,tm,l,r)+query(v*2+1,tm+1,tr,l,r));
    }
    void update(int v,int tl,int tr,int index,int value){
        if(tl==tr)t[v]=value;
        else {
            int tm=(tl+tr)/2;
            if(index<=tm)update(v*2,tl,tm,index,value);
            else update(v*2+1,tm+1,tr,index,value);
            t[v]=(t[v*2]+t[v*2+1]);
        }
    }
}seg;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, k;
    cin >> n >> k;
    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    vector<int> pref(n + 1, 0);
    for(int i = 1; i <= n; i++) {
        pref[i] = pref[i - 1] + a[i];
        seg.update(1, 1, n, i, pref[i]);
    }
    int q;
    cin >> q;
    while(q--) {
        int o;
        cin >> o;
        if(o == 1) {
            vector<int> b(k + 1);
            for(int i = 1; i <= k; i++) {
                cin >> b[i];
            }

        }
        else {
            int l, r, m;
            cin >> l >> r >> m;
            // l + m - 1 <= r
            // l <= r - m + 1
            // max(r - m + 1, r) - seg.get(l - 1)
            //cout << seg.query(1, 1, n, r - m + 1, r) - seg.query(1, 1, n, l - 1, l - 1) << "\n";
            int sol1 = 0;
            int sol2 = 0;
            // l + m - 1 <= r
            // r >= l + m - 1
            /*
            for(int i = l + m - 1; i <= r; i++) {
                sol1 += pref[i];
            }
            // l + m - 1 <= r
            // l <= r - m + 1
            for(int i = l - 1; i <= r - m; i++) {
                sol2 += pref[i];
            }*/
            cout << seg.query(1, 1, n, l + m - 1, r) - seg.query(1, 1, n, l - 1, r - m) << "\n";
        }
    }
}

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