Submission #845757

#	Time	Username	Problem	Language	Result	Execution time	Memory
845757		Darren0724	Segments (IZhO18_segments)	C++17	100 / 100	4959 ms	9904 KiB

segments

#pragma GCC optimize("Ofast","O3","unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n,t;cin>>n>>t;
    int ans=0;
    vector<int> a,b,h;
    for(int i=0;i<n;i++){
        int id;cin>>id;
        if(id==1){
            int c,d;cin>>c>>d;
            c^=(t*ans);
            d^=(t*ans);
            if(c>d){
                swap(c,d);
            }
            a.push_back(c);
            b.push_back(d);
            h.push_back(1);
        }
        if(id==2){
            int p;cin>>p;
            h[p-1]=0;
        }
        if(id==3){
            int c,d,k;cin>>c>>d>>k;
            c^=(t*ans);
            d^=(t*ans);
            if(c>d){
                swap(c,d);
            }
            ans=0;
            int sz=a.size();
            for(int j=0;j<sz;j++){
                if((b[j]<d?b[j]:d)-(a[j]>c?a[j]:c)+1>=k&&h[j]==1){
                    ans++;
                }
            }
            cout<<ans<<'\n';
        }
    }
 
    return 0;
}
/*
6 1
1 1 2
3 2 4 2
1 3 5
3 2 3 1
2 1
3 0 3 1
*/

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 16 / 16
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20
• Subtask 6: 25 / 25