Submission #1690242


Source Code Expand

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define sec second
using namespace std;


const int MAXN=1e5+100;
const ll INF=2e18;

ll x[MAXN],dp[MAXN],dp2[MAXN];

int main() {
   // cout << "HI" <<endl;
    ll n,E,T;
    cin>>n>>E>>T;
    x[0]=0;
    for(int i=1;i<=n;i++){
        cin>>x[i];
        x[i]*=2;
        dp[i]=INF;
    }
    E*=2;
    dp[0]=0;
    dp2[0]=-x[1]*2;
    for(int i=1;i<=n;i++){
        int j=lower_bound(x+1,x+n+1,(x[i]-T))-x;

        if(x[j]>x[i]-T&&j){
            j--;
        }

        dp[i]=dp[j]+T*2;

        if(j>0){
            dp[i]=min(dp[i],dp2[j-1]+x[i]*2);
        }


        dp2[i]=min(dp2[i-1],dp[i]-x[i+1]*2);
      //  cout<<i<<' '<<dp[i]<<' '<<dp2[i]<<' '<<j<<endl;

    }

    cout<<(dp[n]+E)/2<<endl;
    return 0;
}

Submission Info

Submission Time
Task D - Shik and Game
User X_emad_X
Language C++14 (GCC 5.4.1)
Score 1200
Code Size 831 Byte
Status AC
Exec Time 49 ms
Memory 2560 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 600 / 600 600 / 600
Status
AC × 3
AC × 23
AC × 64
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
Subtask1 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt, 2_16.txt, 2_17.txt, 2_18.txt, 2_19.txt, 2_20.txt, 2_21.txt, 2_22.txt, 2_23.txt, 2_24.txt, 2_25.txt, 2_26.txt, 2_27.txt, 2_28.txt, 2_29.txt, 2_30.txt, 2_31.txt, 2_32.txt, 2_33.txt, 2_34.txt, 2_35.txt, 2_36.txt, 2_37.txt, 2_38.txt, 2_39.txt, 2_40.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
1_00.txt AC 2 ms 256 KB
1_01.txt AC 2 ms 256 KB
1_02.txt AC 2 ms 256 KB
1_03.txt AC 2 ms 256 KB
1_04.txt AC 2 ms 256 KB
1_05.txt AC 2 ms 256 KB
1_06.txt AC 2 ms 256 KB
1_07.txt AC 2 ms 256 KB
1_08.txt AC 2 ms 256 KB
1_09.txt AC 2 ms 256 KB
1_10.txt AC 2 ms 256 KB
1_11.txt AC 2 ms 256 KB
1_12.txt AC 2 ms 256 KB
1_13.txt AC 2 ms 256 KB
1_14.txt AC 2 ms 256 KB
1_15.txt AC 2 ms 256 KB
1_16.txt AC 2 ms 256 KB
1_17.txt AC 2 ms 256 KB
1_18.txt AC 2 ms 256 KB
1_19.txt AC 2 ms 256 KB
2_00.txt AC 39 ms 2560 KB
2_01.txt AC 39 ms 2560 KB
2_02.txt AC 39 ms 2560 KB
2_03.txt AC 40 ms 2560 KB
2_04.txt AC 40 ms 2560 KB
2_05.txt AC 39 ms 2560 KB
2_06.txt AC 39 ms 2560 KB
2_07.txt AC 39 ms 2560 KB
2_08.txt AC 39 ms 2560 KB
2_09.txt AC 39 ms 2560 KB
2_10.txt AC 46 ms 2560 KB
2_11.txt AC 47 ms 2560 KB
2_12.txt AC 46 ms 2560 KB
2_13.txt AC 47 ms 2560 KB
2_14.txt AC 46 ms 2560 KB
2_15.txt AC 47 ms 2560 KB
2_16.txt AC 49 ms 2560 KB
2_17.txt AC 47 ms 2560 KB
2_18.txt AC 46 ms 2560 KB
2_19.txt AC 46 ms 2560 KB
2_20.txt AC 46 ms 2560 KB
2_21.txt AC 46 ms 2560 KB
2_22.txt AC 46 ms 2560 KB
2_23.txt AC 46 ms 2560 KB
2_24.txt AC 46 ms 2560 KB
2_25.txt AC 46 ms 2560 KB
2_26.txt AC 46 ms 2560 KB
2_27.txt AC 46 ms 2560 KB
2_28.txt AC 46 ms 2560 KB
2_29.txt AC 46 ms 2560 KB
2_30.txt AC 46 ms 2560 KB
2_31.txt AC 46 ms 2560 KB
2_32.txt AC 46 ms 2560 KB
2_33.txt AC 46 ms 2560 KB
2_34.txt AC 46 ms 2560 KB
2_35.txt AC 46 ms 2560 KB
2_36.txt AC 46 ms 2560 KB
2_37.txt AC 46 ms 2560 KB
2_38.txt AC 45 ms 2560 KB
2_39.txt AC 49 ms 2560 KB
2_40.txt AC 45 ms 2560 KB