Submission #1001720

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001720		HasanV11010238	Watching (JOI13_watching)	C++17	0 / 100	72 ms	348 KiB

watching

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define INF 1000000000
int n, p, q;
vector<int> a;
int main(){
    cin>>n>>p>>q;
    a.assign(n + 1, 0);
    for (int i = 1; i <= n; i++){
        cin>>a[i];
    }
    sort(a.begin(), a.end());
    if (n <= p + 1){
        cout<<1;
        return 0;
    }
    ll dp[n + 1][q + 1][p + 1];
    for (int i = 0; i <= n; i++){
        for (int j = 0; j <= p; j++){
            for (int k = 0; k <= q; k++){
                dp[i][j][k] = 0;
            }
        }
    }
    for (int i = 1; i <= n; i++){
        for (int j = 0; j <= p; j++){
            for (int k = 0; k <= q; k++){
                dp[i][j][k] = INF;
                for (int l = 0; l <= i; l++){
                    if (l == i){
                        for (int m = 0; m <= l; m++){
                            if (j != 0){
                                dp[i][j][k] = min(dp[i][j][k], max(1ll, dp[i][j - 1][k]));
                            }
                            if (k != 0){
                                dp[i][j][k] = min(dp[i][j][k], max(1ll, dp[i][j][k - 1]));
                            }
                        }
                    }
                    ll dist = ceil((double)(a[i] - a[l] + 1) / (double)2);
                    ll bi = ceil((double)dist / (double)2);
                    if (j != 0){
                        dp[i][j][k] = min(max(dp[l][j - 1][k], dist), dp[i][j][k]);
                    }
                    if (k != 0){
                        dp[i][j][k] = min(max(dp[l][j][k - 1], bi), dp[i][j][k]);
                    }
                }
            }
        }
    }
    cout<<dp[n][p][q];
} 

• Subtask 1: 0 / 50
• Subtask 2: 0 / 50