Submission #578899

#	Time	Username	Problem	Language	Result	Execution time	Memory
578899		mousebeaver	Two Antennas (JOI19_antennas)	C++14	2 / 100	3057 ms	4528 KiB

antennas

#define ll long long
#define ull unsigned ll
#define pii pair<int, int>
#include <bits/stdc++.h>
using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin>>n;
    vector<ll> h(n); //heights
    vector<pii> a(n); //Bereiche
    for(int i = 0; i < n; i++)
    {
        cin>>h[i]>>a[i].first>>a[i].second;
    }

    int q;
    cin>>q;
    for(int i = 0; i < q; i++)
    {
        int l, r;
        cin>>l>>r;
        l--; r--;
        ll output = -1;
        for(int j = l; j < r; j++)
        {
            for(int k = j+1; k <= r; k++)
            {
                if(a[j].first+j <= k && k <= a[j].second+j && k-a[k].first >= j && k-a[k].second <= j)
                {
                    output = max(output, abs(h[j] - h[k]));
                }
            }
        }
        cout<<output<<"\n";
    }

    return 0;
}

• Subtask 1: 2 / 2
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 65