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답안 #1042909

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1042909 2024-08-03T14:35:59 Z BF001 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
 0 ms 348 KB 
#include<bits/stdc++.h>
using namespace std;
 
#define int long long

struct node{
    int lc, rc, sum, lz;
    node(){
        lc = rc = -1;
        sum = lz = 0;
    }
};

vector<node> bit;
 
void acc(int id){
    if (bit[id].lc == -1){
        bit[id].lc = (int) bit.size();
        bit.push_back(node());
    }
    if (bit[id].rc == -1){
        bit[id].rc = (int) bit.size();
        bit.push_back(node());
    }
}

void add(int id, int l, int r, int val){
    bit[id].sum = val * (r - l + 1);
    bit[id].lz = val;
}

void down(int id, int l, int r){
    if (l == r || bit[id].lz == 0) return;
    acc(id);
    int mid = (l + r) >> 1;
    add(bit[id].lc, l, mid, bit[id].lz);
    add(bit[id].rc, mid + 1, r, bit[id].lz);
    bit[id].lz = 0;
}

void ud(int id, int l, int r, int u, int v, int val){
    if (l > v || r < u) return;
    if (l >= u && r <= v){
        add(id, l, r, val);
        return;
    }
    int mid = (l + r) >> 1;
    acc(id);
    down(id, l, r);
    ud(bit[id].lc, l, mid, u, v, val);
    ud(bit[id].rc, mid + 1, r, u, v, val);
    bit[id].sum = bit[bit[id].lc].sum + bit[bit[id].rc].sum;
}

int get(int id, int l, int r, int u, int v){
    if (l > v || r < u) return 0;
    if (l >= u && r <= v) return bit[id].sum;
    int mid = (l + r) >> 1;
    down(id, l, r);
    int t = 0, tt = 0;
    if (bit[id].lc != -1) t = get(bit[id].lc, l, mid, u, v);
    if (bit[id].rc != -1) tt = get(bit[id].rc, mid + 1, r, u, v);
    return (t + tt);
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
 
    bit.push_back(node());

    int c = 0;
    int q;
    int n = 1e9;
    cin >> q;

    while (q--){
        int typ, l, r;
        cin >> typ >>  l >> r;
        l += c; r += c;
        if (typ == 1){
            int t = get(0, 1, n, l, r);
            c += t;
            cout << t << "\n";
            continue;
        }
        ud(0, 1, n, l, r, 1);
    }    
 
    return 0;
}

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -