Submission #237084

#	Time	Username	Problem	Language	Result	Execution time	Memory
237084		Aldas25	Swimming competition (LMIO18_plaukimo_varzybos)	C++14	10 / 100	637 ms	30832 KiB

plaukimo_varzybos

#include <bits/stdc++.h>

using namespace std;

#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr)
#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define pb push_back
typedef long long ll;

const int MAXN = 1000100;
const ll INF = 1e16;

int n, a, b;
ll dp[MAXN], t[MAXN];
vector<ll> ts;

int main()
{
    FAST_IO;

    //ifstream cin ("lmio_2018_3e2_plaukimo_varzybos_vyr.in");
    //ofstream cout ("lmio_2018_3e2_plaukimo_varzybos_vyr.out");

    cin >> n >> a >> b;
    FOR(i, 1, n) {ll x; cin >> x; ts.pb(x);}
    sort(ts.begin(), ts.end());
    FOR(i, 0, n-1) t[i+1] = ts[i];

    FOR(i, 1, n) dp[i] = INF;

    FOR(i, 1, n) FOR(j, max(0,i-b), max(0,i-a)) dp[i] = min(dp[i], max(dp[j],t[i]-t[j+1]));

    cout << dp[n] << "\n";

    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40