Submission #479319

# Submission time Handle Problem Language Result Execution time Memory
479319 2021-10-11T08:53:19 Z jhhope1 Monkey and Apple-trees (IZhO12_apple) C++14
100 / 100
344 ms 134532 KB
#include<bits/stdc++.h>
using namespace std;
int C, M;
const int MAXN = 1e9;
struct Node{
    int val, lazy_set, l, r;
    Node(int val, int lazy_set):val(val),lazy_set(lazy_set),l(-1),r(-1){};
};
struct Seg{
    vector<Node> V;
    Seg(){
        V.emplace_back(0, 0);
    }
    void push_down(int s, int e, int v){
        int m = (s+e)>>1;
        if(V[v].lazy_set){
            if(V[v].l == -1){
                V[v].l = V.size();
                V.emplace_back(V[v].lazy_set*(m-s+1), V[v].lazy_set);
            }
            else{
                V[V[v].l].val = V[v].lazy_set * (m-s+1);
                V[V[v].l].lazy_set = V[v].lazy_set;
            }
            if(V[v].r == -1){
                V[v].r = V.size();
                V.emplace_back(V[v].lazy_set * (e-m), V[v].lazy_set);
            }else{
                V[V[v].r].val = V[v].lazy_set * (e-m);
                V[V[v].r].lazy_set = V[v].lazy_set;
            }
            V[v].lazy_set = 0;
        }
        else{
            if(V[v].l == -1){
                V[v].l = V.size();
                V.emplace_back(0, 0);
            }
            if(V[v].r == -1){
                V[v].r = V.size();
                V.emplace_back(0, 0);
            }
        }
    }
    void update(int s, int e, int l, int r, int v, int val){
        if(e<l || r<s){
            return;
        }
        if(l<=s && e<=r){
            V[v].val = val * (e-s+1);
            V[v].lazy_set = val;
            return;
        }
        push_down(s, e, v);
        int m = (s+e)>>1;
        update(s, m, l, r, V[v].l, val);
        update(m+1, e, l, r, V[v].r, val);
        V[v].val = V[V[v].l].val + V[V[v].r].val;
    }
    int sum(int s, int e, int l, int r, int v){
        if(e<l || r<s){
            return 0;
        }
        if(l<=s && e<=r){
            return V[v].val;
        }
        push_down(s, e, v);
        int m = (s+e)>>1;
        return sum(s, m, l, r, V[v].l) + sum(m+1, e, l, r, V[v].r);
    }
}S;
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>M;
    for(int i=0,t,x,y ; i<M ; i++){
        cin>>t;
        if(t==1){
            cin>>x>>y;
            C = S.sum(1, MAXN, x+C, y+C, 0);
            cout<<C<<"\n";
        }
        else if(t==2){
            cin>>x>>y;
            S.update(1, MAXN, x+C, y+C, 0, 1);
        }
    }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 13 ms 2632 KB Output is correct
5 Correct 14 ms 2632 KB Output is correct
6 Correct 13 ms 2632 KB Output is correct
7 Correct 20 ms 2632 KB Output is correct
8 Correct 113 ms 17572 KB Output is correct
9 Correct 216 ms 34572 KB Output is correct
10 Correct 210 ms 34448 KB Output is correct
11 Correct 213 ms 34380 KB Output is correct
12 Correct 224 ms 34376 KB Output is correct
13 Correct 218 ms 68552 KB Output is correct
14 Correct 236 ms 68560 KB Output is correct
15 Correct 344 ms 134360 KB Output is correct
16 Correct 327 ms 134532 KB Output is correct
17 Correct 210 ms 68524 KB Output is correct
18 Correct 220 ms 68516 KB Output is correct
19 Correct 311 ms 134312 KB Output is correct
20 Correct 315 ms 134372 KB Output is correct