Submission #479322

#	Time	Username	Problem	Language	Result	Execution time	Memory
479322		jhhope1	Monkey and Apple-trees (IZhO12_apple)	C++14	100 / 100	316 ms	132248 KiB

apple

#include<bits/stdc++.h>
using namespace std;
int C, M;
const int MAXN = 1e9;
struct Node{
    int set, val, l, r;
    Node(int val, int set):val(val),set(set),l(-1),r(-1){};
    Node():val(0),set(0),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].l == -1){
            V[v].l = V.size();
            V.emplace_back();
        }
        if(V[v].r == -1){
            V[v].r = V.size();
            V.emplace_back();
        }
        if(V[v].set){
            V[V[v].l].val = V[v].set * (m-s+1);
            V[V[v].r].val = V[v].set * (e-m);
            V[V[v].l].set = V[V[v].r].set = V[v].set;
        }
    }
    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].set = val;
            return;
        }
        int m = (s+e)>>1;
        push_down(s, e, v);
        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);
        }
    }
}

Compilation message (stderr)

apple.cpp: In constructor 'Node::Node(int, int)':
apple.cpp:6:14: warning: 'Node::val' will be initialized after [-Wreorder]
    6 |     int set, val, l, r;
      |              ^~~
apple.cpp:6:9: warning:   'int Node::set' [-Wreorder]
    6 |     int set, val, l, r;
      |         ^~~
apple.cpp:7:5: warning:   when initialized here [-Wreorder]
    7 |     Node(int val, int set):val(val),set(set),l(-1),r(-1){};
      |     ^~~~
apple.cpp: In constructor 'Node::Node()':
apple.cpp:6:14: warning: 'Node::val' will be initialized after [-Wreorder]
    6 |     int set, val, l, r;
      |              ^~~
apple.cpp:6:9: warning:   'int Node::set' [-Wreorder]
    6 |     int set, val, l, r;
      |         ^~~
apple.cpp:8:5: warning:   when initialized here [-Wreorder]
    8 |     Node():val(0),set(0),l(-1),r(-1){};
      |     ^~~~

• Subtask 1: 100 / 100