Submission #868116

#	Time	Username	Problem	Language	Result	Execution time	Memory
868116		12345678	Segments (IZhO18_segments)	C++17	7 / 100	12 ms	1500 KiB

segments

#include <bits/stdc++.h>

using namespace std;

int x, q, a, b, l, r, lst, k, t;
vector<pair<int, int>> v;
bool d[5005];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>q>>x;
    while (q--)
    {
        cin>>t;
        if (t==1)
        {
            cin>>a>>b;
            l=a^(lst*x);
            r=b^(lst*x);
            v.push_back({l, r});
        }
        if (t==2)
        {
            cin>>a;
            a--;
            d[a]=1;
        }
        if (t==3)
        {
            cin>>a>>b>>k;
            int res=0;
            l=a^(lst*x);
            r=b^(lst*x);
            if (l>r) swap(l, r);
            for (int i=0; i<v.size(); i++)
            {
                if (d[i]) continue;
                if (min(v[i].second, r)-max(v[i].first, l)+1>=k) res++;
            }
            lst=res;
            cout<<res<<'\n';
        }
    }
}

Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:36:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |             for (int i=0; i<v.size(); i++)
      |                           ~^~~~~~~~~

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