Submission #161703

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
161703	2019-11-03 19:17:37	jovan_b	Watching (JOI13_watching)	C++17	100 / 100	264 ms	16220 KiB

watching

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
int n, p, q;
int event[2005];
int dp[2005][2005];
bool check(int w){
    int small = 0, large = 0;
    for(int i=1; i<=n; i++){
        while(event[i]-event[small+1] >= w) small++;
        while(event[i]-event[large+1] >= 2*w) large++;
        for(int j=0; j<=p; j++){
            dp[i][j] = n+5;
            if(j) dp[i][j] = min(dp[i][j], dp[small][j-1]);
            dp[i][j] = min(dp[i][j], dp[large][j] + 1);
        }
    }
    //if(w == 3) cout << dp[n][p] << " " << q << endl;
    return dp[n][p] <= q;
}
int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;
 
 
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• Subtask 1: 50 / 50
• Subtask 2: 50 / 50