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Submission #447406

# Submission time Handle Problem Language Result Execution time Memory
447406 2021-07-26T09:04:30 Z prvocislo The short shank; Redemption (BOI21_prison) C++17
100 / 100
 425 ms 133796 KB 
#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();
                    if (!stk.empty()) stk.back().second = max(stk.back().second, val);
                    if (d[i] < d[j]+1)
                    {
                        ch[i] = j;
                        d[i] = d[j]+1;
                    }
                    g[i].push_back(j);
                }
                stk.push_back({i, ti});
            }
        }
    }
    priority_queue<pair<int, int> > pq;
    while (!stk.empty())
    {
        pq.push({d[stk.back().first], stk.back().first});
        stk.pop_back();
    }
    while (D-- && !pq.empty())
    {
        int vr = pq.top().second;
        pq.pop();
        ans -= d[vr];
        while (vr != -1)
        {
            for (int i : g[vr]) if (i != ch[vr]) pq.push({d[i], i});
            vr = ch[vr];
        }
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 89 ms 24252 KB Output is correct
3 Correct 86 ms 26896 KB Output is correct
4 Correct 85 ms 28188 KB Output is correct
5 Correct 80 ms 28604 KB Output is correct
6 Correct 86 ms 27068 KB Output is correct
7 Correct 107 ms 37400 KB Output is correct
8 Correct 86 ms 28284 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 452 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 17 ms 4296 KB Output is correct
3 Correct 15 ms 4808 KB Output is correct
4 Correct 14 ms 4960 KB Output is correct
5 Correct 16 ms 5288 KB Output is correct
6 Correct 19 ms 5412 KB Output is correct
7 Correct 12 ms 4340 KB Output is correct
8 Correct 13 ms 4172 KB Output is correct
9 Correct 16 ms 5792 KB Output is correct
10 Correct 12 ms 4312 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 312 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 2 ms 588 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 452 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 17 ms 4296 KB Output is correct
38 Correct 15 ms 4808 KB Output is correct
39 Correct 14 ms 4960 KB Output is correct
40 Correct 16 ms 5288 KB Output is correct
41 Correct 19 ms 5412 KB Output is correct
42 Correct 12 ms 4340 KB Output is correct
43 Correct 13 ms 4172 KB Output is correct
44 Correct 16 ms 5792 KB Output is correct
45 Correct 12 ms 4312 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 0 ms 312 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 332 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 452 KB Output is correct
58 Correct 1 ms 504 KB Output is correct
59 Correct 2 ms 460 KB Output is correct
60 Correct 1 ms 460 KB Output is correct
61 Correct 1 ms 460 KB Output is correct
62 Correct 1 ms 460 KB Output is correct
63 Correct 1 ms 460 KB Output is correct
64 Correct 2 ms 460 KB Output is correct
65 Correct 1 ms 456 KB Output is correct
66 Correct 1 ms 460 KB Output is correct
67 Correct 1 ms 460 KB Output is correct
68 Correct 1 ms 460 KB Output is correct
69 Correct 2 ms 460 KB Output is correct
70 Correct 1 ms 316 KB Output is correct
71 Correct 19 ms 5060 KB Output is correct
72 Correct 15 ms 4780 KB Output is correct
73 Correct 14 ms 5024 KB Output is correct
74 Correct 15 ms 5340 KB Output is correct
75 Correct 15 ms 5324 KB Output is correct
76 Correct 13 ms 4300 KB Output is correct
77 Correct 12 ms 4164 KB Output is correct
78 Correct 15 ms 5732 KB Output is correct
79 Correct 12 ms 4404 KB Output is correct
80 Correct 15 ms 4824 KB Output is correct
81 Correct 18 ms 5064 KB Output is correct
82 Correct 16 ms 4752 KB Output is correct
83 Correct 15 ms 4908 KB Output is correct
84 Correct 13 ms 4436 KB Output is correct
85 Correct 16 ms 5508 KB Output is correct
86 Correct 15 ms 4616 KB Output is correct
87 Correct 14 ms 4172 KB Output is correct
88 Correct 15 ms 5412 KB Output is correct
89 Correct 16 ms 5748 KB Output is correct
90 Correct 15 ms 5244 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 89 ms 24252 KB Output is correct
14 Correct 86 ms 26896 KB Output is correct
15 Correct 85 ms 28188 KB Output is correct
16 Correct 80 ms 28604 KB Output is correct
17 Correct 86 ms 27068 KB Output is correct
18 Correct 107 ms 37400 KB Output is correct
19 Correct 86 ms 28284 KB Output is correct
20 Correct 1 ms 312 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 2 ms 588 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 1 ms 460 KB Output is correct
39 Correct 1 ms 460 KB Output is correct
40 Correct 1 ms 452 KB Output is correct
41 Correct 1 ms 460 KB Output is correct
42 Correct 1 ms 460 KB Output is correct
43 Correct 1 ms 460 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 17 ms 4296 KB Output is correct
46 Correct 15 ms 4808 KB Output is correct
47 Correct 14 ms 4960 KB Output is correct
48 Correct 16 ms 5288 KB Output is correct
49 Correct 19 ms 5412 KB Output is correct
50 Correct 12 ms 4340 KB Output is correct
51 Correct 13 ms 4172 KB Output is correct
52 Correct 16 ms 5792 KB Output is correct
53 Correct 12 ms 4312 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 0 ms 312 KB Output is correct
61 Correct 1 ms 332 KB Output is correct
62 Correct 1 ms 332 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 1 ms 452 KB Output is correct
66 Correct 1 ms 504 KB Output is correct
67 Correct 2 ms 460 KB Output is correct
68 Correct 1 ms 460 KB Output is correct
69 Correct 1 ms 460 KB Output is correct
70 Correct 1 ms 460 KB Output is correct
71 Correct 1 ms 460 KB Output is correct
72 Correct 2 ms 460 KB Output is correct
73 Correct 1 ms 456 KB Output is correct
74 Correct 1 ms 460 KB Output is correct
75 Correct 1 ms 460 KB Output is correct
76 Correct 1 ms 460 KB Output is correct
77 Correct 2 ms 460 KB Output is correct
78 Correct 1 ms 316 KB Output is correct
79 Correct 19 ms 5060 KB Output is correct
80 Correct 15 ms 4780 KB Output is correct
81 Correct 14 ms 5024 KB Output is correct
82 Correct 15 ms 5340 KB Output is correct
83 Correct 15 ms 5324 KB Output is correct
84 Correct 13 ms 4300 KB Output is correct
85 Correct 12 ms 4164 KB Output is correct
86 Correct 15 ms 5732 KB Output is correct
87 Correct 12 ms 4404 KB Output is correct
88 Correct 15 ms 4824 KB Output is correct
89 Correct 18 ms 5064 KB Output is correct
90 Correct 16 ms 4752 KB Output is correct
91 Correct 15 ms 4908 KB Output is correct
92 Correct 13 ms 4436 KB Output is correct
93 Correct 16 ms 5508 KB Output is correct
94 Correct 15 ms 4616 KB Output is correct
95 Correct 14 ms 4172 KB Output is correct
96 Correct 15 ms 5412 KB Output is correct
97 Correct 16 ms 5748 KB Output is correct
98 Correct 15 ms 5244 KB Output is correct
99 Correct 0 ms 204 KB Output is correct
100 Correct 1 ms 332 KB Output is correct
101 Correct 1 ms 332 KB Output is correct
102 Correct 1 ms 332 KB Output is correct
103 Correct 1 ms 332 KB Output is correct
104 Correct 1 ms 332 KB Output is correct
105 Correct 1 ms 332 KB Output is correct
106 Correct 1 ms 332 KB Output is correct
107 Correct 1 ms 332 KB Output is correct
108 Correct 1 ms 332 KB Output is correct
109 Correct 1 ms 332 KB Output is correct
110 Correct 1 ms 204 KB Output is correct
111 Correct 97 ms 29212 KB Output is correct
112 Correct 87 ms 26892 KB Output is correct
113 Correct 83 ms 28220 KB Output is correct
114 Correct 79 ms 28540 KB Output is correct
115 Correct 89 ms 26952 KB Output is correct
116 Correct 99 ms 37444 KB Output is correct
117 Correct 88 ms 28236 KB Output is correct
118 Correct 1 ms 460 KB Output is correct
119 Correct 1 ms 460 KB Output is correct
120 Correct 1 ms 460 KB Output is correct
121 Correct 1 ms 460 KB Output is correct
122 Correct 1 ms 452 KB Output is correct
123 Correct 1 ms 460 KB Output is correct
124 Correct 1 ms 460 KB Output is correct
125 Correct 1 ms 460 KB Output is correct
126 Correct 1 ms 460 KB Output is correct
127 Correct 1 ms 460 KB Output is correct
128 Correct 1 ms 460 KB Output is correct
129 Correct 1 ms 460 KB Output is correct
130 Correct 1 ms 460 KB Output is correct
131 Correct 1 ms 204 KB Output is correct
132 Correct 15 ms 5052 KB Output is correct
133 Correct 15 ms 4824 KB Output is correct
134 Correct 15 ms 4940 KB Output is correct
135 Correct 17 ms 5264 KB Output is correct
136 Correct 18 ms 5312 KB Output is correct
137 Correct 12 ms 4300 KB Output is correct
138 Correct 13 ms 4172 KB Output is correct
139 Correct 15 ms 5748 KB Output is correct
140 Correct 11 ms 4312 KB Output is correct
141 Correct 15 ms 4712 KB Output is correct
142 Correct 16 ms 5064 KB Output is correct
143 Correct 16 ms 4840 KB Output is correct
144 Correct 14 ms 4944 KB Output is correct
145 Correct 13 ms 4456 KB Output is correct
146 Correct 16 ms 5556 KB Output is correct
147 Correct 15 ms 4684 KB Output is correct
148 Correct 14 ms 4172 KB Output is correct
149 Correct 14 ms 5348 KB Output is correct
150 Correct 17 ms 5636 KB Output is correct
151 Correct 15 ms 5236 KB Output is correct
152 Correct 365 ms 115996 KB Output is correct
153 Correct 372 ms 118864 KB Output is correct
154 Correct 376 ms 113444 KB Output is correct
155 Correct 368 ms 120372 KB Output is correct
156 Correct 332 ms 114652 KB Output is correct
157 Correct 332 ms 104112 KB Output is correct
158 Correct 355 ms 113468 KB Output is correct
159 Correct 421 ms 133796 KB Output is correct
160 Correct 425 ms 130068 KB Output is correct
161 Correct 355 ms 105008 KB Output is correct
162 Correct 346 ms 101132 KB Output is correct