Submission #987279

#	Time	Username	Problem	Language	Result	Execution time	Memory
987279		steveonalex	Monkey and Apple-trees (IZhO12_apple)	C++17	100 / 100	343 ms	134716 KiB

apple

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T& container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

struct SegmentTree{
    struct Node{
        int sum, lazy;
        int child[2];
        Node(){
            sum = 0,lazy = 0;
            memset(child, -1, sizeof child);
        }
    };

    int L, R;
    vector<Node> a;
    SegmentTree(int _l, int _r){
        L = _l, R = _r;
        a.push_back(Node());
    }

    void add_child(int &x){
        x = a.size();
        a.push_back(Node());
    }

    void down(int id, int l, int r){
        if (a[id].lazy == 0) return;
        int mid = (l + r) >> 1;
        for(int i = 0; i<=1; ++i) {
            if (a[id].child[i] == -1) add_child(a[id].child[i]);
            a[a[id].child[i]].lazy = 1;
        }
        a[a[id].child[0]].sum = (mid - l + 1);
        a[a[id].child[1]].sum = (r - mid);
        a[id].lazy = 0;
    }

    void update(int u, int v, int l, int r, int id){
        if (u <= l && r <= v){
            a[id].sum = (r - l + 1);
            a[id].lazy = 1;
            return;
        }
        down(id, l, r);
        int mid = (l + r) >> 1;
        if (u <= mid) {
            if (a[id].child[0] == -1) add_child(a[id].child[0]);
            update(u, v, l, mid, a[id].child[0]);
        }
        if (v > mid) {
            if (a[id].child[1] == -1) add_child(a[id].child[1]);
            update(u, v, mid + 1, r, a[id].child[1]);
        }
        a[id].sum = 0;
        for(int i = 0; i<=1; ++i) if (a[id].child[i] != -1) a[id].sum += a[a[id].child[i]].sum;
    }

    void update(int u, int v){
        update(u, v, L, R, 0);
    }

    int get(int u, int v, int l, int r, int id){
        if (u <= l && r <= v) return a[id].sum;
        down(id, l, r);
        int mid = (l + r) >> 1;
        int ans = 0;
        if (a[id].child[0] != -1 && u <= mid) ans += get(u, v, l, mid, a[id].child[0]);
        if (a[id].child[1] != -1 && v > mid) ans += get(u, v, mid + 1, r, a[id].child[1]);
        return ans;
    }

    int get(int u, int v){
        return get(u, v, L, R, 0);
    }
};

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

    int C = 0;
    int q; cin >> q;

    SegmentTree st(0, 1e9 + 69);
    while(q--){
        int type, l, r; cin >> type >> l >> r;
        l += C; r += C;
        if (type == 2) st.update(l, r);
        else {
            C = st.get(l, r);
            cout << C << "\n";
        }
        cout.flush();
    }
    
    return 0;
}

• Subtask 1: 100 / 100