Submission #1016534

#	Time	Username	Problem	Language	Result	Execution time	Memory
1016534		Vanio	Segments (IZhO18_segments)	C++17	7 / 100	5068 ms	6876 KiB

segments

#include<bits/stdc++.h>
using namespace std;

struct segment{
    int l,r;
};
segment segments[200001];

int n,t,nextSegmentId,lastans;
set<int> segmentIds;

int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

int i,qt,l,r,id,k,ans;
cin>>n>>t;
while(n--){
    cin>>qt;
    if(qt==1){
        cin>>l>>r;
        l^=t*lastans;
        r^=t*lastans;
        if(l>r) swap(l,r);

        nextSegmentId++;
        segments[nextSegmentId].l=l;
        segments[nextSegmentId].r=r;
        segmentIds.insert(nextSegmentId);
    }
    else if(qt==2){
        cin>>id;
        segmentIds.erase(id);
    }
    else{
        cin>>l>>r>>k;
        l^=t*lastans;
        r^=t*lastans;
        if(l>r) swap(l,r);

        ans=0;
        for(auto it : segmentIds){
            if(min(r,segments[it].r)-max(l,segments[it].l)+1>=k) ans++;
        }
        cout<<ans<<'\n';
        lastans=ans;
    }
}










return 0;
}

Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:18:5: warning: unused variable 'i' [-Wunused-variable]
   18 | int i,qt,l,r,id,k,ans;
      |     ^

• Subtask 1: 7 / 7
• Subtask 2: 0 / 15
• Subtask 3: 0 / 16
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20
• Subtask 6: 0 / 25