Submission #471151

# Submission time Handle Problem Language Result Execution time Memory
471151 2021-09-07T14:44:20 Z MohammadAghil Monkey and Apple-trees (IZhO12_apple) C++14
0 / 100
352 ms 177204 KB
#include <bits/stdc++.h> 
using namespace std;
typedef long long ll;
#define rep(i,l,r) for(int i = (l); i < r; i++)
#define per(i,r,l) for(int i = (r); i >= l; i--)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define ff first
#define ss second 
 
const ll mod = 1e9 + 7, maxn = 123456, inf = 1e9 + 5;

struct node{
    int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
    node(){}
    node(int sum, int lazy, int lx, int rx, int l = 0, int r = 0):
        sum(sum), lazy(lazy), lx(lx), rx(rx), l(l), r(r){}
};

struct seg{
    vector<node> a;
    int cnt = 1;
    seg(int n){
        a.resize(n);
        a[1] = node(0, 0, 1, 1e9 + 1);
    }
    void build(int x){
        if(!a[x].l){
            int mid = (a[x].lx + a[x].rx)/2;
            a[++cnt] = node(0, 0, a[x].lx, mid);
            a[x].l = cnt;
            a[++cnt] = node(0, 0, mid, a[x].rx);
            a[x].r = cnt;
        }
    }
    void shift(int x){
        if(a[x].lazy){
            a[x].sum = a[x].rx - a[x].lx;
            build(x);
            a[a[x].l].lazy = a[a[x].r].lazy = 1;
            a[x].lazy = 0;
        }
    }
    void set(int l, int r, int x){
        shift(x);
        if(l == a[x].lx && r == a[x].rx){
            a[x].lazy = 1;
            shift(x);
            return;
        }
        build(x);
        int mid = (a[x].lx + a[x].rx)/2;
        if(l >= mid) set(l, r, a[x].r);
        else if(r <= mid) set(l, r, a[x].l);
        else{
            set(l, mid, a[x].l);
            set(mid, r, a[x].r);
        }
        shift(a[x].l);
        shift(a[x].r);
        a[x].sum = a[a[x].l].sum + a[a[x].r].sum;
    }
    int get(int l, int r, int x){
        shift(x);
        if(l == a[x].lx && r == a[x].rx) return a[x].sum;
        int mid = (a[x].lx + a[x].rx)/2;
        build(x);
        if(r <= mid) return get(l, r, a[x].l);
        else if(l >= mid) return get(l, r, a[x].r);
        else return get(l, mid, a[x].l) + get(mid, r, a[x].r);
    }
};


int main(){
    cin.tie(0) -> sync_with_stdio(0);
    int q; cin >> q;
    seg st(maxn*30);
    int c = 0;
    while(q--){
        int d, l, r; cin >> d >> l >> r;
        if(d == 2){
            st.set(c + l, c + r + 1, 1);
        }else{
            c = st.get(c + l, c + r + 1, 1);
            cout << c << '\n';
        }
    }
    return 0;
}

Compilation message

apple.cpp: In constructor 'node::node(int, int, int, int, int, int)':
apple.cpp:15:26: warning: 'node::lazy' will be initialized after [-Wreorder]
   15 |     int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
      |                          ^~~~
apple.cpp:15:9: warning:   'int node::lx' [-Wreorder]
   15 |     int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
      |         ^~
apple.cpp:17:5: warning:   when initialized here [-Wreorder]
   17 |     node(int sum, int lazy, int lx, int rx, int l = 0, int r = 0):
      |     ^~~~
# Verdict Execution time Memory Grader output
1 Correct 49 ms 87236 KB Output is correct
2 Correct 40 ms 87236 KB Output is correct
3 Correct 41 ms 87372 KB Output is correct
4 Correct 52 ms 87256 KB Output is correct
5 Correct 56 ms 87288 KB Output is correct
6 Correct 56 ms 87224 KB Output is correct
7 Correct 56 ms 87236 KB Output is correct
8 Correct 158 ms 87428 KB Output is correct
9 Correct 327 ms 87656 KB Output is correct
10 Correct 284 ms 87700 KB Output is correct
11 Correct 293 ms 87656 KB Output is correct
12 Correct 282 ms 87596 KB Output is correct
13 Runtime error 352 ms 177204 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -