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Submission #428290

# Submission time Handle Problem Language Result Execution time Memory
428290 2021-06-15T09:44:03 Z keko37 The short shank; Redemption (BOI21_prison) C++14
100 / 100
 1178 ms 288188 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long long llint;
typedef pair <int, int> pi;

const int MAXN = 2000005;

int n, k, T, cnt;
int t[MAXN], dub[MAXN];
vector <int> v[MAXN], rem[MAXN], w;
vector <pi> r;
set <int> st;

void build () {
    for (int i = 1; i <= n; i++) {
        if (t[i] <= T) {
            st.insert(i);
            int j = i + T - t[i];
            if (j + 1 <= n) rem[j + 1].push_back(i);
        }
        for (auto x : rem[i]) st.erase(x);
        if (!st.empty()) {
            int lim = *st.rbegin();
            cnt++;
            if (lim < i) {
                while (!r.empty() && lim <= r.back().first) {
                    int node = r.back().second;
                    v[i].push_back(node);
                    r.pop_back();
                }
                r.push_back({lim, i});
            }
        }
    }
    while (!r.empty()) {
        int node = r.back().second;
        v[0].push_back(node);
        r.pop_back();
    }
}

void dfs (int x) {
    int mx = 0;
    for (auto sus : v[x]) {
        dfs(sus);
        mx = max(mx, dub[sus]);
    }
    dub[x] = mx + 1;
    bool naso = 0;
    if (x == 0) naso = 1;
    for (auto sus : v[x]) {
        if (dub[sus] == mx && !naso) {
            naso = 1;
        } else {
            w.push_back(dub[sus]);
        }
    }
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> k >> T;
    for (int i = 1; i <= n; i++) {
        cin >> t[i];
    }
    build();
    dfs(0);
    sort(w.begin(), w.end());
    int sol = 0;
    while (!w.empty() && k > 0) {
        sol += w.back();
        k--;
        w.pop_back();
    }
    cout << cnt - sol;
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 94228 KB Output is correct
2 Correct 53 ms 94184 KB Output is correct
3 Correct 52 ms 94296 KB Output is correct
4 Correct 52 ms 94208 KB Output is correct
5 Correct 55 ms 94260 KB Output is correct
6 Correct 56 ms 94156 KB Output is correct
7 Correct 54 ms 94176 KB Output is correct
8 Correct 61 ms 94172 KB Output is correct
9 Correct 52 ms 94148 KB Output is correct
10 Correct 53 ms 94252 KB Output is correct
11 Correct 54 ms 94176 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 94176 KB Output is correct
2 Correct 321 ms 119020 KB Output is correct
3 Correct 207 ms 122692 KB Output is correct
4 Correct 217 ms 120352 KB Output is correct
5 Correct 191 ms 112964 KB Output is correct
6 Correct 149 ms 113236 KB Output is correct
7 Correct 174 ms 156712 KB Output is correct
8 Correct 163 ms 115796 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 94228 KB Output is correct
2 Correct 53 ms 94184 KB Output is correct
3 Correct 52 ms 94296 KB Output is correct
4 Correct 52 ms 94208 KB Output is correct
5 Correct 55 ms 94260 KB Output is correct
6 Correct 56 ms 94156 KB Output is correct
7 Correct 54 ms 94176 KB Output is correct
8 Correct 61 ms 94172 KB Output is correct
9 Correct 52 ms 94148 KB Output is correct
10 Correct 53 ms 94252 KB Output is correct
11 Correct 54 ms 94176 KB Output is correct
12 Correct 54 ms 94240 KB Output is correct
13 Correct 55 ms 94244 KB Output is correct
14 Correct 55 ms 94268 KB Output is correct
15 Correct 51 ms 94148 KB Output is correct
16 Correct 53 ms 94264 KB Output is correct
17 Correct 53 ms 94156 KB Output is correct
18 Correct 53 ms 94156 KB Output is correct
19 Correct 52 ms 94148 KB Output is correct
20 Correct 56 ms 94152 KB Output is correct
21 Correct 61 ms 94260 KB Output is correct
22 Correct 52 ms 94164 KB Output is correct
23 Correct 53 ms 94360 KB Output is correct
24 Correct 53 ms 94440 KB Output is correct
25 Correct 56 ms 94404 KB Output is correct
26 Correct 55 ms 94420 KB Output is correct
27 Correct 61 ms 94452 KB Output is correct
28 Correct 54 ms 94408 KB Output is correct
29 Correct 62 ms 94416 KB Output is correct
30 Correct 55 ms 94404 KB Output is correct
31 Correct 55 ms 94404 KB Output is correct
32 Correct 53 ms 94384 KB Output is correct
33 Correct 58 ms 94280 KB Output is correct
34 Correct 56 ms 94336 KB Output is correct
35 Correct 56 ms 94392 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 94212 KB Output is correct
2 Correct 81 ms 97380 KB Output is correct
3 Correct 92 ms 97728 KB Output is correct
4 Correct 74 ms 100072 KB Output is correct
5 Correct 84 ms 101864 KB Output is correct
6 Correct 80 ms 101956 KB Output is correct
7 Correct 66 ms 97132 KB Output is correct
8 Correct 67 ms 96708 KB Output is correct
9 Correct 74 ms 103488 KB Output is correct
10 Correct 68 ms 97116 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 94228 KB Output is correct
2 Correct 53 ms 94184 KB Output is correct
3 Correct 52 ms 94296 KB Output is correct
4 Correct 52 ms 94208 KB Output is correct
5 Correct 55 ms 94260 KB Output is correct
6 Correct 56 ms 94156 KB Output is correct
7 Correct 54 ms 94176 KB Output is correct
8 Correct 61 ms 94172 KB Output is correct
9 Correct 52 ms 94148 KB Output is correct
10 Correct 53 ms 94252 KB Output is correct
11 Correct 54 ms 94176 KB Output is correct
12 Correct 54 ms 94240 KB Output is correct
13 Correct 55 ms 94244 KB Output is correct
14 Correct 55 ms 94268 KB Output is correct
15 Correct 51 ms 94148 KB Output is correct
16 Correct 53 ms 94264 KB Output is correct
17 Correct 53 ms 94156 KB Output is correct
18 Correct 53 ms 94156 KB Output is correct
19 Correct 52 ms 94148 KB Output is correct
20 Correct 56 ms 94152 KB Output is correct
21 Correct 61 ms 94260 KB Output is correct
22 Correct 52 ms 94164 KB Output is correct
23 Correct 53 ms 94360 KB Output is correct
24 Correct 53 ms 94440 KB Output is correct
25 Correct 56 ms 94404 KB Output is correct
26 Correct 55 ms 94420 KB Output is correct
27 Correct 61 ms 94452 KB Output is correct
28 Correct 54 ms 94408 KB Output is correct
29 Correct 62 ms 94416 KB Output is correct
30 Correct 55 ms 94404 KB Output is correct
31 Correct 55 ms 94404 KB Output is correct
32 Correct 53 ms 94384 KB Output is correct
33 Correct 58 ms 94280 KB Output is correct
34 Correct 56 ms 94336 KB Output is correct
35 Correct 56 ms 94392 KB Output is correct
36 Correct 52 ms 94212 KB Output is correct
37 Correct 81 ms 97380 KB Output is correct
38 Correct 92 ms 97728 KB Output is correct
39 Correct 74 ms 100072 KB Output is correct
40 Correct 84 ms 101864 KB Output is correct
41 Correct 80 ms 101956 KB Output is correct
42 Correct 66 ms 97132 KB Output is correct
43 Correct 67 ms 96708 KB Output is correct
44 Correct 74 ms 103488 KB Output is correct
45 Correct 68 ms 97116 KB Output is correct
46 Correct 54 ms 94244 KB Output is correct
47 Correct 55 ms 94148 KB Output is correct
48 Correct 52 ms 94168 KB Output is correct
49 Correct 54 ms 94152 KB Output is correct
50 Correct 53 ms 94204 KB Output is correct
51 Correct 52 ms 94148 KB Output is correct
52 Correct 53 ms 94212 KB Output is correct
53 Correct 58 ms 94260 KB Output is correct
54 Correct 53 ms 94184 KB Output is correct
55 Correct 53 ms 94220 KB Output is correct
56 Correct 53 ms 94168 KB Output is correct
57 Correct 53 ms 94416 KB Output is correct
58 Correct 55 ms 94404 KB Output is correct
59 Correct 60 ms 94404 KB Output is correct
60 Correct 55 ms 94392 KB Output is correct
61 Correct 56 ms 94444 KB Output is correct
62 Correct 55 ms 94332 KB Output is correct
63 Correct 55 ms 94404 KB Output is correct
64 Correct 60 ms 94324 KB Output is correct
65 Correct 56 ms 94368 KB Output is correct
66 Correct 57 ms 94296 KB Output is correct
67 Correct 55 ms 94336 KB Output is correct
68 Correct 58 ms 94304 KB Output is correct
69 Correct 62 ms 94468 KB Output is correct
70 Correct 66 ms 94184 KB Output is correct
71 Correct 77 ms 98104 KB Output is correct
72 Correct 79 ms 98044 KB Output is correct
73 Correct 73 ms 100088 KB Output is correct
74 Correct 83 ms 101888 KB Output is correct
75 Correct 80 ms 102068 KB Output is correct
76 Correct 78 ms 97128 KB Output is correct
77 Correct 72 ms 96784 KB Output is correct
78 Correct 74 ms 103456 KB Output is correct
79 Correct 68 ms 97116 KB Output is correct
80 Correct 81 ms 98072 KB Output is correct
81 Correct 74 ms 98220 KB Output is correct
82 Correct 90 ms 98112 KB Output is correct
83 Correct 78 ms 98756 KB Output is correct
84 Correct 73 ms 96864 KB Output is correct
85 Correct 79 ms 101948 KB Output is correct
86 Correct 72 ms 98128 KB Output is correct
87 Correct 67 ms 96588 KB Output is correct
88 Correct 73 ms 101944 KB Output is correct
89 Correct 76 ms 103104 KB Output is correct
90 Correct 80 ms 101148 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 94228 KB Output is correct
2 Correct 53 ms 94184 KB Output is correct
3 Correct 52 ms 94296 KB Output is correct
4 Correct 52 ms 94208 KB Output is correct
5 Correct 55 ms 94260 KB Output is correct
6 Correct 56 ms 94156 KB Output is correct
7 Correct 54 ms 94176 KB Output is correct
8 Correct 61 ms 94172 KB Output is correct
9 Correct 52 ms 94148 KB Output is correct
10 Correct 53 ms 94252 KB Output is correct
11 Correct 54 ms 94176 KB Output is correct
12 Correct 54 ms 94176 KB Output is correct
13 Correct 321 ms 119020 KB Output is correct
14 Correct 207 ms 122692 KB Output is correct
15 Correct 217 ms 120352 KB Output is correct
16 Correct 191 ms 112964 KB Output is correct
17 Correct 149 ms 113236 KB Output is correct
18 Correct 174 ms 156712 KB Output is correct
19 Correct 163 ms 115796 KB Output is correct
20 Correct 54 ms 94240 KB Output is correct
21 Correct 55 ms 94244 KB Output is correct
22 Correct 55 ms 94268 KB Output is correct
23 Correct 51 ms 94148 KB Output is correct
24 Correct 53 ms 94264 KB Output is correct
25 Correct 53 ms 94156 KB Output is correct
26 Correct 53 ms 94156 KB Output is correct
27 Correct 52 ms 94148 KB Output is correct
28 Correct 56 ms 94152 KB Output is correct
29 Correct 61 ms 94260 KB Output is correct
30 Correct 52 ms 94164 KB Output is correct
31 Correct 53 ms 94360 KB Output is correct
32 Correct 53 ms 94440 KB Output is correct
33 Correct 56 ms 94404 KB Output is correct
34 Correct 55 ms 94420 KB Output is correct
35 Correct 61 ms 94452 KB Output is correct
36 Correct 54 ms 94408 KB Output is correct
37 Correct 62 ms 94416 KB Output is correct
38 Correct 55 ms 94404 KB Output is correct
39 Correct 55 ms 94404 KB Output is correct
40 Correct 53 ms 94384 KB Output is correct
41 Correct 58 ms 94280 KB Output is correct
42 Correct 56 ms 94336 KB Output is correct
43 Correct 56 ms 94392 KB Output is correct
44 Correct 52 ms 94212 KB Output is correct
45 Correct 81 ms 97380 KB Output is correct
46 Correct 92 ms 97728 KB Output is correct
47 Correct 74 ms 100072 KB Output is correct
48 Correct 84 ms 101864 KB Output is correct
49 Correct 80 ms 101956 KB Output is correct
50 Correct 66 ms 97132 KB Output is correct
51 Correct 67 ms 96708 KB Output is correct
52 Correct 74 ms 103488 KB Output is correct
53 Correct 68 ms 97116 KB Output is correct
54 Correct 54 ms 94244 KB Output is correct
55 Correct 55 ms 94148 KB Output is correct
56 Correct 52 ms 94168 KB Output is correct
57 Correct 54 ms 94152 KB Output is correct
58 Correct 53 ms 94204 KB Output is correct
59 Correct 52 ms 94148 KB Output is correct
60 Correct 53 ms 94212 KB Output is correct
61 Correct 58 ms 94260 KB Output is correct
62 Correct 53 ms 94184 KB Output is correct
63 Correct 53 ms 94220 KB Output is correct
64 Correct 53 ms 94168 KB Output is correct
65 Correct 53 ms 94416 KB Output is correct
66 Correct 55 ms 94404 KB Output is correct
67 Correct 60 ms 94404 KB Output is correct
68 Correct 55 ms 94392 KB Output is correct
69 Correct 56 ms 94444 KB Output is correct
70 Correct 55 ms 94332 KB Output is correct
71 Correct 55 ms 94404 KB Output is correct
72 Correct 60 ms 94324 KB Output is correct
73 Correct 56 ms 94368 KB Output is correct
74 Correct 57 ms 94296 KB Output is correct
75 Correct 55 ms 94336 KB Output is correct
76 Correct 58 ms 94304 KB Output is correct
77 Correct 62 ms 94468 KB Output is correct
78 Correct 66 ms 94184 KB Output is correct
79 Correct 77 ms 98104 KB Output is correct
80 Correct 79 ms 98044 KB Output is correct
81 Correct 73 ms 100088 KB Output is correct
82 Correct 83 ms 101888 KB Output is correct
83 Correct 80 ms 102068 KB Output is correct
84 Correct 78 ms 97128 KB Output is correct
85 Correct 72 ms 96784 KB Output is correct
86 Correct 74 ms 103456 KB Output is correct
87 Correct 68 ms 97116 KB Output is correct
88 Correct 81 ms 98072 KB Output is correct
89 Correct 74 ms 98220 KB Output is correct
90 Correct 90 ms 98112 KB Output is correct
91 Correct 78 ms 98756 KB Output is correct
92 Correct 73 ms 96864 KB Output is correct
93 Correct 79 ms 101948 KB Output is correct
94 Correct 72 ms 98128 KB Output is correct
95 Correct 67 ms 96588 KB Output is correct
96 Correct 73 ms 101944 KB Output is correct
97 Correct 76 ms 103104 KB Output is correct
98 Correct 80 ms 101148 KB Output is correct
99 Correct 54 ms 94248 KB Output is correct
100 Correct 53 ms 94200 KB Output is correct
101 Correct 54 ms 94336 KB Output is correct
102 Correct 54 ms 94176 KB Output is correct
103 Correct 54 ms 94236 KB Output is correct
104 Correct 55 ms 94264 KB Output is correct
105 Correct 55 ms 94200 KB Output is correct
106 Correct 53 ms 94148 KB Output is correct
107 Correct 52 ms 94140 KB Output is correct
108 Correct 53 ms 94236 KB Output is correct
109 Correct 55 ms 94272 KB Output is correct
110 Correct 54 ms 94224 KB Output is correct
111 Correct 279 ms 119988 KB Output is correct
112 Correct 218 ms 122656 KB Output is correct
113 Correct 207 ms 120248 KB Output is correct
114 Correct 187 ms 113000 KB Output is correct
115 Correct 164 ms 113212 KB Output is correct
116 Correct 174 ms 156740 KB Output is correct
117 Correct 182 ms 115724 KB Output is correct
118 Correct 53 ms 94404 KB Output is correct
119 Correct 55 ms 94388 KB Output is correct
120 Correct 54 ms 94404 KB Output is correct
121 Correct 54 ms 94340 KB Output is correct
122 Correct 53 ms 94408 KB Output is correct
123 Correct 56 ms 94404 KB Output is correct
124 Correct 54 ms 94404 KB Output is correct
125 Correct 53 ms 94296 KB Output is correct
126 Correct 57 ms 94404 KB Output is correct
127 Correct 53 ms 94272 KB Output is correct
128 Correct 54 ms 94308 KB Output is correct
129 Correct 56 ms 94388 KB Output is correct
130 Correct 54 ms 94356 KB Output is correct
131 Correct 58 ms 94200 KB Output is correct
132 Correct 85 ms 98192 KB Output is correct
133 Correct 80 ms 98144 KB Output is correct
134 Correct 81 ms 100108 KB Output is correct
135 Correct 99 ms 101940 KB Output is correct
136 Correct 80 ms 101940 KB Output is correct
137 Correct 67 ms 97116 KB Output is correct
138 Correct 67 ms 96708 KB Output is correct
139 Correct 84 ms 103528 KB Output is correct
140 Correct 67 ms 97140 KB Output is correct
141 Correct 79 ms 98076 KB Output is correct
142 Correct 74 ms 98148 KB Output is correct
143 Correct 92 ms 98088 KB Output is correct
144 Correct 79 ms 98572 KB Output is correct
145 Correct 70 ms 96884 KB Output is correct
146 Correct 79 ms 101880 KB Output is correct
147 Correct 68 ms 98196 KB Output is correct
148 Correct 68 ms 96508 KB Output is correct
149 Correct 71 ms 101956 KB Output is correct
150 Correct 77 ms 103108 KB Output is correct
151 Correct 71 ms 101160 KB Output is correct
152 Correct 1178 ms 197296 KB Output is correct
153 Correct 649 ms 200408 KB Output is correct
154 Correct 675 ms 203048 KB Output is correct
155 Correct 801 ms 215376 KB Output is correct
156 Correct 553 ms 169428 KB Output is correct
157 Correct 417 ms 150708 KB Output is correct
158 Correct 512 ms 184120 KB Output is correct
159 Correct 566 ms 288188 KB Output is correct
160 Correct 585 ms 273612 KB Output is correct
161 Correct 443 ms 161964 KB Output is correct
162 Correct 548 ms 162748 KB Output is correct