제출 #1328981

#제출 시각아이디문제언어결과실행 시간메모리
1328981tranbahien0Sterilizing Spray (JOI15_sterilizing)C++20
100 / 100
180 ms4192 KiB
#include <bits/stdc++.h>
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define FOD(i, a, b) for(int i = (a); i >= (b); i--)
#define file(name) if(fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define el cout << '\n'
#define maxn int(1e5 + 5)

using namespace std;

typedef long long ll;

int n, q, k, mx[maxn << 2];

ll t[maxn << 2];

bool lz[maxn << 2];

void apply(int id) {
    t[id] = mx[id] = 0;
    lz[id] = 1;
}

void push(int id) {
    if(lz[id]) {
        apply(id << 1);
        apply(id << 1 | 1);
        lz[id] = 0;
    }
}

void update(int pos, int val, int id = 1, int l = 1, int r = n) {
    if(pos < l || r < pos) return;
    if(l == r) {
        t[id] = mx[id] = val;
        lz[id] = 0;
        return;
    }
    int mid = (l + r) >> 1;
    push(id);
    update(pos, val, id << 1, l, mid);
    update(pos, val, id << 1 | 1, mid + 1, r);
    t[id] = t[id << 1] + t[id << 1 | 1];
    mx[id] = max(mx[id << 1], mx[id << 1 | 1]);
}

void divs(int u, int v, int id = 1, int l = 1, int r = n) {
    if(v < l || r < u) return;
    if(l == r) {
        t[id] /= k;
        mx[id] /= k;
        return;
    }
    if(u <= l && r <= v) {
        if(mx[id] < k) {
            apply(id);
            return;
        }
    }
    int mid = (l + r) >> 1;
    push(id);
    divs(u, v, id << 1, l, mid);
    divs(u, v, id << 1 | 1, mid + 1, r);
    t[id] = t[id << 1] + t[id << 1 | 1];
    mx[id] = max(mx[id << 1], mx[id << 1 | 1]);
}

ll get(int u, int v, int id = 1, int l = 1, int r = n) {
    if(v < l || r < u) return 0;
    if(u <= l && r <= v) return t[id];
    int mid = (l + r) >> 1;
    push(id);
    return get(u, v, id << 1, l, mid) + get(u, v, id << 1 | 1, mid + 1, r);
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> q >> k;
    FOR(i, 1, n) {
        int x;
        cin >> x;
        update(i, x);
    }
    while(q--) {
        int type, u, v;
        cin >> type >> u >> v;
        if(type == 1) update(u, v);
        else if(type == 2) {
            if(k != 1) divs(u, v);
        }
        else cout << get(u, v), el;
    }
    return 0;
}
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