Submission #447406

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
447406	2021-07-26 09:04:30	prvocislo	The short shank; Redemption (BOI21_prison)	C++17	100 / 100	425 ms	133796 KiB

prison

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int N, D, T;
    cin >> N >> D >> T;
    vector<pair<int, int> > stk;
    vector<int> t(N), d(N), ch(N, -1);
    vector<vector<int> > g(N);
    int maxi = -1, ans = N;
    for (int i = 0; i < N; i++)
    {
        cin >> t[i];
        int ti = T + i - t[i]; 
        maxi = max(maxi, ti);
        if (!stk.empty()) stk.back().second = max(stk.back().second, ti);
        if (t[i] > T)
        {
            if (i > maxi) ans--;
            else // novy pasivny zlocinec
            {
                d[i] = 1;
                while (!stk.empty() && i > stk.back().second)
                {
                    int j = stk.back().first, val = stk.back().second;
                    stk.pop_back();
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 25 / 25
• Subtask 6: 20 / 20