답안 #873751

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
873751 2023-11-15T15:32:18 Z Cristian 원숭이와 사과 나무 (IZhO12_apple) C++14
100 / 100
458 ms 262144 KB
#include <iostream>
#include <cstring>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <algorithm>
#include <iomanip>
#include <cmath>
#include <cstdlib>
#include <ctime>

using namespace std;

using ll = long long;
//#define int ll
using pi = pair<int,int>;
using pll = pair<ll, ll>;

#define pb push_back
#define x first
#define y second

const int MOD = 1e9+7, INF = 1e9, NMAX = 2e5+1;
struct Node
{
    int sum, lazy;
    Node *l, *r;
    Node(ll sum): sum(sum), lazy(0), l(nullptr), r(nullptr){}
};
Node *tree = new Node(0);
void propagate(Node *k, int l, int r)
{
    if(k->lazy)
    {
        if(l != r)
        {
            if(k->l == nullptr)
                k->l = new Node(0);
            k->l->lazy = k->lazy;
            if(k->r == nullptr)
                k->r = new Node(0);
            k->r->lazy = k->lazy;
        }
        k->sum = r - l + 1;
        k->lazy = 0;
    }
}
void update(int i, int j, Node *k, int l = 1, int r = 1e9)
{
    propagate(k, l, r);
    if(l > r || r < i || j < l)
        return;
    if(i <= l && r <= j)
    {
        k->lazy = 1;
        propagate(k, l, r);
        return;
    }
    if(l <= (l + r) / 2)
    {
        if(k->l == nullptr)
            k->l = new Node(0);
        update(i, j, k->l, l, (l+r)/2);
    }
    if((l + r) / 2 + 1 <= r)
    {
        if(k->r == nullptr)
            k->r = new Node(0);
        update(i, j, k->r, (l+r)/2+1, r);
    }
    k->sum = 0;
    if(k->l != nullptr)
        k->sum += k->l->sum;
    if(k->r != nullptr)
        k->sum += k->r->sum;
}
ll query(int i, int j, Node *k, int l = 1, int r = 1e9)
{
    propagate(k, l, r);
    if(k == nullptr || l > r || r < i || j < l)
        return 0;
    if(i <= l && r <= j)
        return k->sum;
    ll sum = 0;
    if(k->l != nullptr && l <= (l+r)/2)
        sum += query(i, j, k->l, l, (l+r)/2);
    if(k->r != nullptr && (l+r)/2+1 <= r)
        sum += query(i, j, k->r, (l+r)/2+1, r);
    return sum;
}
void solve()
{
    ll n, i, op, l, r, ans, c = 0;
    cin >> n;
    for(i = 1; i <= n; i++)
    {
        cin >> op >> l >> r;
        if(op == 2)
            update(l + c, r + c, tree);
        else
        {
            ans = query(l + c, r + c, tree);
            cout << ans << '\n';
            c = ans;
        }
    }
}
int main()
{
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);
    int T;
    T = 1;
    while(T--)
        solve();
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 13 ms 5936 KB Output is correct
5 Correct 15 ms 7004 KB Output is correct
6 Correct 15 ms 6932 KB Output is correct
7 Correct 17 ms 7112 KB Output is correct
8 Correct 145 ms 51564 KB Output is correct
9 Correct 258 ms 87608 KB Output is correct
10 Correct 260 ms 98132 KB Output is correct
11 Correct 279 ms 106580 KB Output is correct
12 Correct 283 ms 110164 KB Output is correct
13 Correct 261 ms 137044 KB Output is correct
14 Correct 286 ms 138576 KB Output is correct
15 Correct 437 ms 254644 KB Output is correct
16 Correct 458 ms 256512 KB Output is correct
17 Correct 270 ms 145376 KB Output is correct
18 Correct 278 ms 145748 KB Output is correct
19 Correct 456 ms 262144 KB Output is correct
20 Correct 456 ms 262144 KB Output is correct