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답안 #337243

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
337243 2020-12-19T03:26:35 Z nvmdava 원숭이와 사과 나무 (IZhO12_apple) C++17
100 / 100
 49 ms 1004 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 200'005;
const ll MOD = 1'000'000'007;
const int INF = 0x3f3f3f3f;

struct Node{
    int s = 0;
    Node *l, *r;
} *seg = new Node();

void update(Node *v, int l, int r, int L, int R){
    if(l > R || r < L || v -> s == r - l + 1)
        return;
    if(L <= l && r <= R){
        v -> s = r - l + 1;
        return;
    }
    int m = (l + r) >> 1;
    if(!v -> l)
        v -> l = new Node();
    if(!v -> r)
        v -> r = new Node();
    update(v -> l, l, m, L, R);
    update(v -> r, m + 1, r, L, R);

    v -> s = v -> l -> s + v -> r -> s;
}

int query(Node *v, int l, int r, int L, int R){
    if(l > R || r < L || v -> s == 0)
        return 0;
    if(v -> s == r - l + 1)
        return min(r, R) - max(l, L) + 1;
    if(L <= l && r <= R)
        return v -> s;
    int m = (l + r) >> 1;
    return query(v -> l, l, m, L, R) + query(v -> r, m + 1, r, L, R);
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int c = 0;
    int n;
    cin>>n;
    while(n--){
        int q, l, r;
        cin>>q>>l>>r;

        if(q == 1)
            cout<< (c = query(seg, 1, 1'000'000'000, l + c, r + c))<<'\n';
        else
            update(seg, 1, 1'000'000'000, l + c, r + c);
    }
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 5 ms 500 KB Output is correct
5 Correct 5 ms 364 KB Output is correct
6 Correct 6 ms 364 KB Output is correct
7 Correct 5 ms 364 KB Output is correct
8 Correct 21 ms 620 KB Output is correct
9 Correct 42 ms 748 KB Output is correct
10 Correct 42 ms 748 KB Output is correct
11 Correct 40 ms 748 KB Output is correct
12 Correct 40 ms 748 KB Output is correct
13 Correct 49 ms 876 KB Output is correct
14 Correct 48 ms 876 KB Output is correct
15 Correct 40 ms 876 KB Output is correct
16 Correct 42 ms 876 KB Output is correct
17 Correct 37 ms 1004 KB Output is correct
18 Correct 36 ms 876 KB Output is correct
19 Correct 40 ms 876 KB Output is correct
20 Correct 40 ms 1004 KB Output is correct