Submission #1690241


Source Code Expand

#include <bits/stdc++.h>

#define int long long

using namespace std;
const int inf = 1e18;
int x[111111], dp[111111], st[444444] = {inf};
int upd(int l, int r, int cur, int ind, int val)
{
    if(ind < l or r < ind or r < l)
        return inf;
    if(l == r)
        return st[cur] = val;
    int mid = (l+r)/2;
    upd(mid+1, r, cur*2+2, ind, val);
    upd(l, mid, cur*2+1, ind, val);
    return st[cur] = min(st[cur*2+1], st[cur*2+2]);
}
int mn(int l, int r, int sl, int sr, int cur)
{
    if(sr < l or r < sl or r < l or sr < sl)
        return inf;
    if(l == r)
        return st[cur];
    int mid = (l+r)/2;
    return min(mn(l, mid, sl, sr, cur*2+1), mn(mid+1, r, sl, sr, cur*2+2));
}
int32_t main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n, t, e;
    cin >> n >> e >> t;
    for(int i = 1; i <= n; i++)
        cin >> x[i];

    upd(0, n, 0, 0, -2*x[1]);

    for(int i = 1; i <= n; i++)
    {
        int j = lower_bound(x+1, x+n+1, x[i]-t/2.0)-x;
        if((x[i]-x[j])*2 < t)
            j--;
        dp[i] = min(dp[j]+t, mn(0,n,0,j-1,0)+2*x[i]);
        //cout << i << ' ' << j << ' ' << dp[i] << endl;

        upd(0, n, 0, i, dp[i]-2*x[i+1]);
    }
    cout << dp[n]+e << endl;
    return 0;
}

Submission Info

Submission Time
Task D - Shik and Game
User mehrbod
Language C++14 (GCC 5.4.1)
Score 600
Code Size 1293 Byte
Status TLE
Exec Time 2103 ms
Memory 2944 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 600 / 600 0 / 600
Status
AC × 3
AC × 23
AC × 23
TLE × 41
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 12 ms 384 KB
1_01.txt AC 9 ms 384 KB
1_02.txt AC 10 ms 384 KB
1_03.txt AC 13 ms 384 KB
1_04.txt AC 6 ms 256 KB
1_05.txt AC 8 ms 384 KB
1_06.txt AC 7 ms 256 KB
1_07.txt AC 8 ms 384 KB
1_08.txt AC 10 ms 384 KB
1_09.txt AC 7 ms 384 KB
1_10.txt AC 14 ms 384 KB
1_11.txt AC 7 ms 256 KB
1_12.txt AC 5 ms 256 KB
1_13.txt AC 15 ms 384 KB
1_14.txt AC 6 ms 256 KB
1_15.txt AC 6 ms 256 KB
1_16.txt AC 6 ms 256 KB
1_17.txt AC 9 ms 384 KB
1_18.txt AC 5 ms 256 KB
1_19.txt AC 10 ms 384 KB
2_00.txt TLE 2103 ms 1792 KB
2_01.txt TLE 2103 ms 1792 KB
2_02.txt TLE 2103 ms 1792 KB
2_03.txt TLE 2103 ms 1792 KB
2_04.txt TLE 2103 ms 1792 KB
2_05.txt TLE 2103 ms 1920 KB
2_06.txt TLE 2103 ms 1792 KB
2_07.txt TLE 2103 ms 1792 KB
2_08.txt TLE 2103 ms 1792 KB
2_09.txt TLE 2103 ms 1792 KB
2_10.txt TLE 2103 ms 1792 KB
2_11.txt TLE 2103 ms 1792 KB
2_12.txt TLE 2103 ms 1792 KB
2_13.txt TLE 2103 ms 1792 KB
2_14.txt TLE 2103 ms 1792 KB
2_15.txt TLE 2103 ms 1792 KB
2_16.txt TLE 2103 ms 1792 KB
2_17.txt TLE 2103 ms 1792 KB
2_18.txt TLE 2103 ms 1792 KB
2_19.txt TLE 2103 ms 1792 KB
2_20.txt TLE 2103 ms 1792 KB
2_21.txt TLE 2103 ms 1792 KB
2_22.txt TLE 2103 ms 1792 KB
2_23.txt TLE 2103 ms 1792 KB
2_24.txt TLE 2103 ms 1792 KB
2_25.txt TLE 2103 ms 1792 KB
2_26.txt TLE 2103 ms 1792 KB
2_27.txt TLE 2103 ms 1792 KB
2_28.txt TLE 2103 ms 1792 KB
2_29.txt TLE 2103 ms 1792 KB
2_30.txt TLE 2103 ms 1792 KB
2_31.txt TLE 2103 ms 1792 KB
2_32.txt TLE 2103 ms 1920 KB
2_33.txt TLE 2103 ms 1920 KB
2_34.txt TLE 2103 ms 1920 KB
2_35.txt TLE 2103 ms 2048 KB
2_36.txt TLE 2103 ms 2176 KB
2_37.txt TLE 2103 ms 2304 KB
2_38.txt TLE 2103 ms 2432 KB
2_39.txt TLE 2103 ms 2688 KB
2_40.txt TLE 2103 ms 2944 KB