Submission #492729

#	Time	Username	Problem	Language	Result	Execution time	Memory
492729		Lukap	The short shank; Redemption (BOI21_prison)	C++14	0 / 100	231 ms	10992 KiB

prison

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 2e6 + 7;

int n, d, t;
int vri[MAXN], akt[MAXN], dp[MAXN];
int uk;

int main () {

    cin >> n >> d >> t;

    for (int i = 0; i < n; i++) cin >> vri[i];

    for (int i = 0; i < n; i++) {
        if (vri[i] <= t) akt[i] = 1;
    }

    int prosli = -1;

    for (int i = 0; i < n; i++) {
        if (akt[i] == 1) prosli = i;

        else if (prosli == -1 || i - prosli > t - vri[i]) akt[i] = 0;

        else akt[i] = -1;
    }

    for (int i = 0; i < n; i++) {
        if (akt[i] != -1) uk++;
    }

    dp[n] = 0;

    for (int i = n - 1; i >= 0; i--) {
        if (akt[i] != 0) continue;

        dp[i] = dp[i + 1] + 1;
        dp[i + 1] = 0;
    }

    sort (dp, dp + n);
    reverse(dp, dp + n);

    for (int i = 0; i < d; i++) uk -= dp[i];

    cout << uk;

    return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 25
• Subtask 6: 0 / 20