Submission #1271528

#	Time	Username	Problem	Language	Result	Execution time	Memory
1271528		ac_quan	Two Antennas (JOI19_antennas)	C++20	2 / 100	3093 ms	4424 KiB

antennas

#include <bits/stdc++.h>
using namespace std;
#define all(ac) ac.begin(),ac.end()
#define task "tet"
#define fi first
#define se second
#define pii pair<int,int>
#define db long double
#define int long long

struct Event {
    int x, y, z;
};

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    int n; cin >> n;
    Event a[n + 1];
    for(int i=1;i<=n;i++) cin >> a[i].z >> a[i].x >> a[i].y;
    int q; cin >> q;
    while(q--) {
        int l, r; cin >> l >> r;
        int res = -1;
        for(int i=l;i<=r;i++) {
            for(int j=l;j<i;j++) {
                auto d = a[i], e = a[j];
                int l1 = i - d.y, r1 = i - d.x;
                int l2 = j + e.x, r2 = j + e.y;
                if(j >= l1 && j <= r1 && i >= l2 && i <= r2) res = max(res, abs(d.z - e.z));
            }
        }
        cout << res << '\n';
    }
    return 0;
}

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