제출 #858530

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
858530		Requiem	Monkey and Apple-trees (IZhO12_apple)	C++17	0 / 100	331 ms	262144 KiB

apple

#include<bits/stdc++.h>
#define pb push_back
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define fi first
#define se second
#define endl '\n'
#define TASKNAME "apple"
using namespace std;
struct SparseSegmentTree{
    int sum,lazy,l,r,toleft,toright;
    SparseSegmentTree(): sum(0), lazy(0), l(0), r(0), toleft(0), toright(0){}
    SparseSegmentTree(int l,int r): sum(0), lazy(0), l(l), r(r), toleft(0), toright(0){}
};
int cnt = 0,mid;
vector<SparseSegmentTree> st;
void push(int node){
     if (st[node].lazy==1){
            mid = (st[node].l + st[node].r)>>1;
            if (st[node].toleft == 0) {
                st[node].toleft = st.size();
                st.pb(SparseSegmentTree(st[node].l,mid));
            }
            if (st[node].toright == 0) {
                st[node].toright = st.size();
                st.pb(SparseSegmentTree(mid+1,st[node].r));
            }
            st[node].sum = st[node].r - st[node].l +1;
            st[st[node].toleft].lazy = st[st[node].toright].lazy = 1;;
            st[node].lazy = 0;

     }
}
void upd(int node,int u,int v){
    push(node);
    if (st[node].l > v or st[node].r < u) return;
    if (st[node].l >= u and st[node].r <=v) {
        st[node].lazy = 1;
        push(node);
        return;
    }
    mid = (st[node].l + st[node].r)>>1;
    if (st[node].toleft == 0) {
        st[node].toleft=st.size();
        st.pb(SparseSegmentTree(st[node].l,mid));
    }
    if (st[node].toright == 0) {
        st[node].toright=st.size();
        st.pb(SparseSegmentTree(mid+1,st[node].r));
    }
    upd(st[node].toleft,u,v);
    upd(st[node].toright,u,v);
    st[node].sum = st[st[node].toleft].sum + st[st[node].toright].sum;
}
int get(int node,int u,int v){
    push(node);
    if (st[node].l > v or st[node].r < u) return 0;
    if (st[node].l >= u and st[node].r <=v) return st[node].sum;
    mid = (st[node].l + st[node].r)>>1;
    if (st[node].toleft == 0) {
        st[node].toleft=st.size();
        st.pb(SparseSegmentTree(st[node].l,mid));
    }
    if (st[node].toright == 0) {
        st[node].toright=st.size();
        st.pb(SparseSegmentTree(mid+1,st[node].r));
    }
    return get(st[node].toleft,u,v) + get(st[node].toright,u,v);
}
int n,type,x,y;
main()
{
    fast;
    ///freopen(TASKNAME".inp","r",stdin);
    ///freopen(TASKNAME".out","w",stdout);

    cin>>n;
    int c = 0;
    cnt = 1;
    st.pb(SparseSegmentTree());
    st.pb(SparseSegmentTree(1,1e9));
    for(int i=1;i<=n;i++){
        cin>>type>>x>>y;
        if (type==1) {
            c = get(1,x+c,y+c);
            cout<<c<<endl;
        }
        else{
            upd(1,x+c,y+c);
        }
    }

}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp:70:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   70 | main()
      | ^~~~

• Subtask 1: 0 / 100