Submission #888569

#	Time	Username	Problem	Language	Result	Execution time	Memory
888569		White	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	4 ms	4696 KiB

apple

#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#define endl "\n"
using namespace std;

bitset<400000000>onlyOne,hasOne;

void update_tree(int l,int r,int L,int R,int now){
    //cout<<now<<endl;
    if(l>R || r<L || onlyOne[now]==1)return ;
    if(l>=L && r<=R){
        onlyOne[now]=1;
        hasOne[now]=1;
        return;
    }
    int mid=(l+r)/2;
    update_tree(l,mid,L,R,now*2+1);
    update_tree(mid+1,r,L,R,now*2+2);
    if(onlyOne[now*2+1]==1 && onlyOne[now*2+2]==1)onlyOne[now]=1;
    if(hasOne[now*2+1]==1 || hasOne[now*2+2]==1 || onlyOne[now*2+2]==1 || onlyOne[now*2+1]==1)hasOne[now]=1;
}

int ans_tree(int l,int r,int L,int R,int now){
    if(l>R || r<L || hasOne[now]==0)return 0;
    if(onlyOne[now]==1){
        //cout<<l<<" )_( "<<r<<endl;
        return (min(r,R)-max(l,L)+1);
    }
    int mid=(l+r)/2;
    return ans_tree(l,mid,L,R,now*2+1)+ans_tree(mid+1,r,L,R,now*2+2);
}

int main(){

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n,c=0;
    cin>>n;
    for(int t=0;t<n;t++){
        int l,r,type;
        cin>>type>>l>>r;
        l--;r--;
        l+=c;
        r+=c;
        //cout<<l<<"-"<<r<<endl;
        if(type==2)update_tree(0,999999999,l,r,0);
        else {
            c=ans_tree(0,999999999,l,r,0);
            cout<<c<<endl;
        }
    }

    return 0;
}

• Subtask 1: 0 / 100