Submission #1988720


Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <array>
#include <vector>
#include <utility>
#include <bitset>
#include <queue>

using namespace std;

typedef long long ll;

constexpr ll MAX_N = 1e5;
constexpr ll INF = 1e10;
ll N, E, T;
vector<ll> X;

int main(void) {
    cin >> N >> E >> T;
    X.push_back(0);
    for (size_t i = 0; i < N; i++) {
        ll x;
        cin >> x;
        X.push_back(x);
    }

    vector<ll> dp(N + 1, 0);

    dp[1] = T;
    for (ll i = 2, j = 0, k = 0; i <= N;) {
        ll L = max(2 * (X[i] - X[j + 1]), T);
        if (L == T) {
            dp[i] = min(dp[j] + T, dp[k] + max(2 * (X[i] - X[k + 1]), T));
            i++;
        } else {
            ll dpj = dp[j] + L;
            ll dpk = dp[k] + 2 * (X[i] - X[k + 1]);
            if (dpj < dpk) {
                k = j;
            }
            j++;
        }
    }

    cout << dp[N] + E << endl;
    return 0;
}

Submission Info

Submission Time
Task D - Shik and Game
User char_c3
Language C++14 (GCC 5.4.1)
Score 1200
Code Size 1038 Byte
Status AC
Exec Time 113 ms
Memory 2036 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 1 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 1 ms 256 KB
1_13.txt AC 2 ms 256 KB
1_14.txt AC 1 ms 256 KB
1_15.txt AC 1 ms 256 KB
1_16.txt AC 1 ms 256 KB
1_17.txt AC 2 ms 256 KB
1_18.txt AC 1 ms 256 KB
1_19.txt AC 2 ms 256 KB
2_00.txt AC 34 ms 1908 KB
2_01.txt AC 35 ms 1908 KB
2_02.txt AC 35 ms 1908 KB
2_03.txt AC 35 ms 1908 KB
2_04.txt AC 35 ms 1908 KB
2_05.txt AC 34 ms 1908 KB
2_06.txt AC 34 ms 1908 KB
2_07.txt AC 34 ms 1908 KB
2_08.txt AC 34 ms 1908 KB
2_09.txt AC 35 ms 1908 KB
2_10.txt AC 41 ms 1908 KB
2_11.txt AC 41 ms 1908 KB
2_12.txt AC 41 ms 1908 KB
2_13.txt AC 42 ms 1908 KB
2_14.txt AC 41 ms 1908 KB
2_15.txt AC 42 ms 1908 KB
2_16.txt AC 41 ms 1908 KB
2_17.txt AC 41 ms 1908 KB
2_18.txt AC 42 ms 1908 KB
2_19.txt AC 42 ms 1908 KB
2_20.txt AC 42 ms 1908 KB
2_21.txt AC 42 ms 1908 KB
2_22.txt AC 43 ms 2036 KB
2_23.txt AC 42 ms 1908 KB
2_24.txt AC 42 ms 1908 KB
2_25.txt AC 42 ms 1908 KB
2_26.txt AC 45 ms 1908 KB
2_27.txt AC 42 ms 1908 KB
2_28.txt AC 43 ms 1908 KB
2_29.txt AC 42 ms 1908 KB
2_30.txt AC 42 ms 1908 KB
2_31.txt AC 42 ms 1908 KB
2_32.txt AC 113 ms 1908 KB
2_33.txt AC 45 ms 1908 KB
2_34.txt AC 42 ms 1908 KB
2_35.txt AC 42 ms 1908 KB
2_36.txt AC 42 ms 1908 KB
2_37.txt AC 42 ms 1908 KB
2_38.txt AC 42 ms 1908 KB
2_39.txt AC 42 ms 1908 KB
2_40.txt AC 42 ms 1908 KB