답안 #684049

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
684049 2023-01-20T07:50:57 Z nifeshe 원숭이와 사과 나무 (IZhO12_apple) C++17
100 / 100
571 ms 262144 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma comment (linker, "/STACK: 16777216")

#define f first
#define s second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) ((int)(x).size())
#define pb push_back
#define mp make_pair
//#define int long long

using namespace std;
using namespace __gnu_pbds;

template <typename T> inline bool umax(T &a, const T &b) { if(a < b) { a = b; return 1; } return 0; }
template <typename T> inline bool umin(T &a, const T &b) { if(a > b) { a = b; return 1; } return 0; }
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
template <typename T> using oset = tree<T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;

ll mod = 998244353;
const ll base = 1e6 + 5;
const ll inf = 1e9 + 5;
const int MAX = 1e6 + 5;
const int LG = 31;

random_device rd;
mt19937 gen(rd());
uniform_int_distribution<ll> dis(1, inf);

struct node {
    node *lf, *rt;
    int s = 0;
    bool add = 0;
    node() {
        lf = nullptr;
        rt = nullptr;
    }

    void push(int l, int r) {
        if(r - l > 1 && !lf) lf = new node();
        if(r - l > 1 && !rt) rt = new node();
        if(!add) return;
        s = add * (r - l);
        if(r - l > 1) {
            lf -> add = add;
            rt -> add = add;
        }
        add = 0;
    }

    int get(int l, int r, int tl = 0, int tr = inf) {
        push(tl, tr);
        if(r <= tl || tr <= l) return 0;
        if(l <= tl && tr <= r) return s;
        int tm = (tl + tr) / 2;
        return (lf -> get(l, r, tl, tm)) + (rt -> get(l, r, tm, tr));
    }

    void update(int l, int r, int x, int tl = 0, int tr = inf) {
        push(tl, tr);
        if(r <= tl || tr <= l) return;
        if(l <= tl && tr <= r) {
            add = x;
            push(tl, tr);
            return;
        }
        int tm = (tl + tr) / 2;
        lf -> update(l, r, x, tl, tm);
        rt -> update(l, r, x, tm, tr);
        s = lf -> s + rt -> s;
    }
};

node SegTree;

void solve() {
    int q;
    cin >> q;
    int lst = 0;
    while(q--) {
        int t, l, r;
        cin >> t >> l >> r;
        l += lst, r += lst;
        l--;
        if(t == 1) cout << (lst = SegTree.get(l, r)) << '\n';
        else SegTree.update(l, r, 1);
    }
}

signed main() {
//    freopen("skyline.in", "r", stdin); freopen("skyline.out", "w", stdout);
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int ttt = 1;
//    cin >> ttt;
    while(ttt--) {
        solve();
    }
    return 0;
}

Compilation message

apple.cpp:8: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    8 | #pragma comment (linker, "/STACK: 16777216")
      |
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 15 ms 5972 KB Output is correct
5 Correct 19 ms 7164 KB Output is correct
6 Correct 19 ms 6868 KB Output is correct
7 Correct 19 ms 7124 KB Output is correct
8 Correct 157 ms 52324 KB Output is correct
9 Correct 311 ms 89128 KB Output is correct
10 Correct 308 ms 99748 KB Output is correct
11 Correct 330 ms 108448 KB Output is correct
12 Correct 318 ms 111856 KB Output is correct
13 Correct 309 ms 138956 KB Output is correct
14 Correct 313 ms 140364 KB Output is correct
15 Correct 571 ms 254852 KB Output is correct
16 Correct 518 ms 256592 KB Output is correct
17 Correct 319 ms 145440 KB Output is correct
18 Correct 313 ms 145380 KB Output is correct
19 Correct 517 ms 262144 KB Output is correct
20 Correct 536 ms 262144 KB Output is correct