Submission #479275

#	Time	Username	Problem	Language	Result	Execution time	Memory
479275		jhhope1	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	1 ms	292 KiB

apple

#include<bits/stdc++.h>
using namespace std;
int N, C;
const int MAXN = 1e9;
struct Node{
    int val;
    int lazy_set;
    int 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].l == -1){
            V[v].l = V.size();
            V.emplace_back(V[v].lazy_set*(m-s+1), 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);
        }
    }
    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 M;
int main(){
    cin>>M;
    for(int i=0,t,x,y,val ; i<M ; i++){
        cin>>t;
        if(t==1){
            cin>>x>>y;
            C = S.sum(1, MAXN, x+C, y+C, 0);
            cout<<C;
        }
        else if(t==2){
            cin>>x>>y;
            S.update(1, MAXN, x+C, y+C, 0, 1);
        }
    }
}

Compilation message (stderr)

apple.cpp: In function 'int main()':
apple.cpp:57:23: warning: unused variable 'val' [-Wunused-variable]
   57 |     for(int i=0,t,x,y,val ; i<M ; i++){
      |                       ^~~

• Subtask 1: 0 / 100