Submission #96079

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
96079	2019-02-05 16:26:25	Alexa2001	Watching (JOI13_watching)	C++17	0 / 100	97 ms	15976 KiB

watching

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#include <bits/stdc++.h>
using namespace std;
const int Nmax = 2005, inf = 1e9;
int N, P, Q, n;
int A[Nmax], a[Nmax], dp[Nmax][Nmax];
bool check(int W)
{
    int i, j = 1, k = 1, it;
    for(i=1; i<=N; ++i)
    {
        while(W - 1 < A[i] - A[j]) ++j;
        while(2*W - 1 < A[i] - A[k]) ++k;
        for(it=0; it<=i && it<=P; ++it)
            dp[i][it] = min( (it != 0 ? dp[j-1][it-1] : inf), dp[k-1][it] + 1);
        for(; it<=P; ++it) dp[i][it] = inf;
    }
    return (dp[N][P] <= Q);
}
int main()
{
  //  freopen("input", "r", stdin);
 
 
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• Subtask 1: 0 / 50
• Subtask 2: 0 / 50