Submission #1007595

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007595		vjudge1	Addk (eJOI21_addk)	C++17	100 / 100	166 ms	9044 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define int long long
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define FORD(i, a, b) for (int i = (b); i >= (a); i --)
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPD(i, n) for (int i = (n) - 1; i >= 0; --i)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)


constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

/*
    Phu Trong from Nguyen Tat Thanh High School for gifted student
*/

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
#define MAX         100005

int nArr, numRot, numQuery;
int A[MAX];

int sum[MAX];

int lz[4 * MAX], st[4 * MAX];

void pushDown(int id, int l, int r){
    if (!lz[id]) return;
    int m = (l + r) >> 1;

    st[id << 1] += (m - l + 1) * lz[id];
    st[id << 1 | 1] += (r - m) * lz[id];
    lz[id << 1] += lz[id];
    lz[id << 1 | 1] += lz[id];

    lz[id] = 0;
}

void upd(int id, int l, int r, int u, int v, int val){
    if (u > r || v < l) return;
    if (u <= l && v >= r){
        st[id] += (r - l + 1) * val;
        lz[id] += val;
        return;
    }
    int m = (l + r) >> 1;
    pushDown(id, l, r);
    upd(id << 1, l, m, u, v, val);
    upd(id << 1 | 1, m + 1, r, u, v, val);
    st[id] = st[id << 1] + st[id << 1 | 1];
}

int query(int id, int l, int r, int u, int v){
    if (u > r || v < l) return 0;
    if (u <= l && v >= r) return st[id];
    int m = (l + r) >> 1;
    pushDown(id, l, r);
    int ql = query(id << 1, l, m, u, v);
    int qr = query(id << 1 | 1, m + 1, r, u, v);
    return (ql + qr);
}

void process(void){
    cin >> nArr >> numRot;
    for (int i = 1; i <= nArr; ++i) cin >> A[i], upd(1, 1, nArr, i, nArr, A[i]);

    cin >> numQuery;
    for (int i = 1; i <= numQuery; ++i){
        int cmd, l, r, m;
        cin >> cmd;
        if(cmd == 1){
            vector<int> pos(numRot), val;
            for(int&v : pos) cin >> v;
            for (int j = 1; j < numRot; ++j) val.push_back(A[pos[j]]);
            val.push_back(A[pos[0]]);
            for (int j = 0; j < numRot; ++j){
                upd(1, 1, nArr, pos[j], nArr, val[j] - A[pos[j]]);
                A[pos[j]] = val[j];
            }
        }
        else{
            cin >> l >> r >> m;
            cout << query(1, 1, nArr, l + m - 1, r) - query(1, 1, nArr, l - 1, r - m) << '\n';
        }
    }
}
signed main(){
    #define name "Whisper"
    cin.tie(nullptr) -> sync_with_stdio(false);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    process();

}

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