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Submission #725336

# Submission time Handle Problem Language Result Execution time Memory
725336 2023-04-17T09:50:37 Z Rafi22 The short shank; Redemption (BOI21_prison) C++14
100 / 100
 468 ms 251400 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;
 
const int N=2000007;
 
int t[N];
int R[N];
vector<int>G[N];
int h[N],g[N],ile[N];
 
void dfs(int v)
{
    h[v]=1;
    g[v]=v;
    for(auto u:G[v])
    {
        dfs(u);
        if(h[u]+1>h[v])
        {
            h[v]=h[u]+1;
            g[v]=g[u];
        }
    }
    ile[g[v]]++;
}
 
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,d,T,ans=0;
    cin>>n>>d>>T;
    for(int i=1;i<=n;i++) cin>>t[i];
    reverse(t+1,t+n+1);
    vector<pair<int,int>>Q;
    for(int i=n;i>0;i--)
    {
        while(sz(Q)>0&&Q.back().nd>i) Q.pop_back();
        if(t[i]>T)
        {
            if(sz(Q)==0) ans++;
            else R[i]=Q.back().st-1;
        }
        else
        {
            while(sz(Q)>0&&Q.back().nd>=i-T+t[i]) Q.pop_back();
            Q.pb({i,i-T+t[i]});
        }
    }
    Q.clear();
    int it=1;
    Q.pb({1,inf});
    for(int i=1;i<=n;i++)
    {
        if(R[i]>0)
        {
            it++;
            while(Q.back().nd<R[i]) Q.pop_back();
            G[Q.back().st].pb(it);
            Q.pb({it,R[i]});
        }
    }
    dfs(1);
    vector<int>vec;
    for(int i=1;i<=it;i++) vec.pb(ile[i]);
    sort(vec.begin(),vec.end(),greater<int>());
    for(int i=0;i<min(d,sz(vec));i++) ans+=vec[i];
    cout<<n-ans+1;
 
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47288 KB Output is correct
2 Correct 24 ms 47268 KB Output is correct
3 Correct 24 ms 47316 KB Output is correct
4 Correct 24 ms 47260 KB Output is correct
5 Correct 28 ms 47304 KB Output is correct
6 Correct 26 ms 47336 KB Output is correct
7 Correct 28 ms 47288 KB Output is correct
8 Correct 24 ms 47308 KB Output is correct
9 Correct 25 ms 47260 KB Output is correct
10 Correct 24 ms 47316 KB Output is correct
11 Correct 24 ms 47268 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 47316 KB Output is correct
2 Correct 102 ms 64572 KB Output is correct
3 Correct 96 ms 61548 KB Output is correct
4 Correct 126 ms 67356 KB Output is correct
5 Correct 91 ms 67044 KB Output is correct
6 Correct 97 ms 65224 KB Output is correct
7 Correct 134 ms 114000 KB Output is correct
8 Correct 112 ms 67352 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47288 KB Output is correct
2 Correct 24 ms 47268 KB Output is correct
3 Correct 24 ms 47316 KB Output is correct
4 Correct 24 ms 47260 KB Output is correct
5 Correct 28 ms 47304 KB Output is correct
6 Correct 26 ms 47336 KB Output is correct
7 Correct 28 ms 47288 KB Output is correct
8 Correct 24 ms 47308 KB Output is correct
9 Correct 25 ms 47260 KB Output is correct
10 Correct 24 ms 47316 KB Output is correct
11 Correct 24 ms 47268 KB Output is correct
12 Correct 24 ms 47316 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 27 ms 47272 KB Output is correct
15 Correct 26 ms 47276 KB Output is correct
16 Correct 24 ms 47300 KB Output is correct
17 Correct 24 ms 47232 KB Output is correct
18 Correct 24 ms 47296 KB Output is correct
19 Correct 25 ms 47360 KB Output is correct
20 Correct 28 ms 47244 KB Output is correct
21 Correct 25 ms 47300 KB Output is correct
22 Correct 25 ms 47308 KB Output is correct
23 Correct 26 ms 47440 KB Output is correct
24 Correct 24 ms 47452 KB Output is correct
25 Correct 25 ms 47428 KB Output is correct
26 Correct 25 ms 47340 KB Output is correct
27 Correct 26 ms 47404 KB Output is correct
28 Correct 24 ms 47444 KB Output is correct
29 Correct 31 ms 47444 KB Output is correct
30 Correct 23 ms 47444 KB Output is correct
31 Correct 24 ms 47436 KB Output is correct
32 Correct 26 ms 47324 KB Output is correct
33 Correct 24 ms 47336 KB Output is correct
34 Correct 29 ms 47436 KB Output is correct
35 Correct 23 ms 47532 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 47312 KB Output is correct
2 Correct 36 ms 50436 KB Output is correct
3 Correct 45 ms 50048 KB Output is correct
4 Correct 44 ms 52928 KB Output is correct
5 Correct 42 ms 54568 KB Output is correct
6 Correct 40 ms 54676 KB Output is correct
7 Correct 34 ms 50040 KB Output is correct
8 Correct 33 ms 49872 KB Output is correct
9 Correct 42 ms 57456 KB Output is correct
10 Correct 33 ms 49356 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47288 KB Output is correct
2 Correct 24 ms 47268 KB Output is correct
3 Correct 24 ms 47316 KB Output is correct
4 Correct 24 ms 47260 KB Output is correct
5 Correct 28 ms 47304 KB Output is correct
6 Correct 26 ms 47336 KB Output is correct
7 Correct 28 ms 47288 KB Output is correct
8 Correct 24 ms 47308 KB Output is correct
9 Correct 25 ms 47260 KB Output is correct
10 Correct 24 ms 47316 KB Output is correct
11 Correct 24 ms 47268 KB Output is correct
12 Correct 24 ms 47316 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 27 ms 47272 KB Output is correct
15 Correct 26 ms 47276 KB Output is correct
16 Correct 24 ms 47300 KB Output is correct
17 Correct 24 ms 47232 KB Output is correct
18 Correct 24 ms 47296 KB Output is correct
19 Correct 25 ms 47360 KB Output is correct
20 Correct 28 ms 47244 KB Output is correct
21 Correct 25 ms 47300 KB Output is correct
22 Correct 25 ms 47308 KB Output is correct
23 Correct 26 ms 47440 KB Output is correct
24 Correct 24 ms 47452 KB Output is correct
25 Correct 25 ms 47428 KB Output is correct
26 Correct 25 ms 47340 KB Output is correct
27 Correct 26 ms 47404 KB Output is correct
28 Correct 24 ms 47444 KB Output is correct
29 Correct 31 ms 47444 KB Output is correct
30 Correct 23 ms 47444 KB Output is correct
31 Correct 24 ms 47436 KB Output is correct
32 Correct 26 ms 47324 KB Output is correct
33 Correct 24 ms 47336 KB Output is correct
34 Correct 29 ms 47436 KB Output is correct
35 Correct 23 ms 47532 KB Output is correct
36 Correct 25 ms 47312 KB Output is correct
37 Correct 36 ms 50436 KB Output is correct
38 Correct 45 ms 50048 KB Output is correct
39 Correct 44 ms 52928 KB Output is correct
40 Correct 42 ms 54568 KB Output is correct
41 Correct 40 ms 54676 KB Output is correct
42 Correct 34 ms 50040 KB Output is correct
43 Correct 33 ms 49872 KB Output is correct
44 Correct 42 ms 57456 KB Output is correct
45 Correct 33 ms 49356 KB Output is correct
46 Correct 24 ms 47256 KB Output is correct
47 Correct 24 ms 47308 KB Output is correct
48 Correct 24 ms 47256 KB Output is correct
49 Correct 26 ms 47300 KB Output is correct
50 Correct 30 ms 47288 KB Output is correct
51 Correct 24 ms 47352 KB Output is correct
52 Correct 23 ms 47316 KB Output is correct
53 Correct 23 ms 47308 KB Output is correct
54 Correct 23 ms 47316 KB Output is correct
55 Correct 23 ms 47316 KB Output is correct
56 Correct 25 ms 47320 KB Output is correct
57 Correct 29 ms 47436 KB Output is correct
58 Correct 26 ms 47384 KB Output is correct
59 Correct 25 ms 47444 KB Output is correct
60 Correct 24 ms 47480 KB Output is correct
61 Correct 23 ms 47396 KB Output is correct
62 Correct 24 ms 47424 KB Output is correct
63 Correct 32 ms 47436 KB Output is correct
64 Correct 24 ms 47432 KB Output is correct
65 Correct 24 ms 47444 KB Output is correct
66 Correct 24 ms 47396 KB Output is correct
67 Correct 24 ms 47312 KB Output is correct
68 Correct 23 ms 47448 KB Output is correct
69 Correct 29 ms 47436 KB Output is correct
70 Correct 29 ms 47328 KB Output is correct
71 Correct 36 ms 50464 KB Output is correct
72 Correct 36 ms 50124 KB Output is correct
73 Correct 34 ms 53000 KB Output is correct
74 Correct 39 ms 54572 KB Output is correct
75 Correct 43 ms 54616 KB Output is correct
76 Correct 32 ms 50096 KB Output is correct
77 Correct 43 ms 49868 KB Output is correct
78 Correct 40 ms 57460 KB Output is correct
79 Correct 34 ms 49336 KB Output is correct
80 Correct 37 ms 50112 KB Output is correct
81 Correct 38 ms 50508 KB Output is correct
82 Correct 35 ms 50112 KB Output is correct
83 Correct 34 ms 51536 KB Output is correct
84 Correct 32 ms 50180 KB Output is correct
85 Correct 50 ms 54924 KB Output is correct
86 Correct 34 ms 51156 KB Output is correct
87 Correct 32 ms 49540 KB Output is correct
88 Correct 36 ms 55512 KB Output is correct
89 Correct 39 ms 56984 KB Output is correct
90 Correct 43 ms 54296 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 47288 KB Output is correct
2 Correct 24 ms 47268 KB Output is correct
3 Correct 24 ms 47316 KB Output is correct
4 Correct 24 ms 47260 KB Output is correct
5 Correct 28 ms 47304 KB Output is correct
6 Correct 26 ms 47336 KB Output is correct
7 Correct 28 ms 47288 KB Output is correct
8 Correct 24 ms 47308 KB Output is correct
9 Correct 25 ms 47260 KB Output is correct
10 Correct 24 ms 47316 KB Output is correct
11 Correct 24 ms 47268 KB Output is correct
12 Correct 28 ms 47316 KB Output is correct
13 Correct 102 ms 64572 KB Output is correct
14 Correct 96 ms 61548 KB Output is correct
15 Correct 126 ms 67356 KB Output is correct
16 Correct 91 ms 67044 KB Output is correct
17 Correct 97 ms 65224 KB Output is correct
18 Correct 134 ms 114000 KB Output is correct
19 Correct 112 ms 67352 KB Output is correct
20 Correct 24 ms 47316 KB Output is correct
21 Correct 29 ms 47308 KB Output is correct
22 Correct 27 ms 47272 KB Output is correct
23 Correct 26 ms 47276 KB Output is correct
24 Correct 24 ms 47300 KB Output is correct
25 Correct 24 ms 47232 KB Output is correct
26 Correct 24 ms 47296 KB Output is correct
27 Correct 25 ms 47360 KB Output is correct
28 Correct 28 ms 47244 KB Output is correct
29 Correct 25 ms 47300 KB Output is correct
30 Correct 25 ms 47308 KB Output is correct
31 Correct 26 ms 47440 KB Output is correct
32 Correct 24 ms 47452 KB Output is correct
33 Correct 25 ms 47428 KB Output is correct
34 Correct 25 ms 47340 KB Output is correct
35 Correct 26 ms 47404 KB Output is correct
36 Correct 24 ms 47444 KB Output is correct
37 Correct 31 ms 47444 KB Output is correct
38 Correct 23 ms 47444 KB Output is correct
39 Correct 24 ms 47436 KB Output is correct
40 Correct 26 ms 47324 KB Output is correct
41 Correct 24 ms 47336 KB Output is correct
42 Correct 29 ms 47436 KB Output is correct
43 Correct 23 ms 47532 KB Output is correct
44 Correct 25 ms 47312 KB Output is correct
45 Correct 36 ms 50436 KB Output is correct
46 Correct 45 ms 50048 KB Output is correct
47 Correct 44 ms 52928 KB Output is correct
48 Correct 42 ms 54568 KB Output is correct
49 Correct 40 ms 54676 KB Output is correct
50 Correct 34 ms 50040 KB Output is correct
51 Correct 33 ms 49872 KB Output is correct
52 Correct 42 ms 57456 KB Output is correct
53 Correct 33 ms 49356 KB Output is correct
54 Correct 24 ms 47256 KB Output is correct
55 Correct 24 ms 47308 KB Output is correct
56 Correct 24 ms 47256 KB Output is correct
57 Correct 26 ms 47300 KB Output is correct
58 Correct 30 ms 47288 KB Output is correct
59 Correct 24 ms 47352 KB Output is correct
60 Correct 23 ms 47316 KB Output is correct
61 Correct 23 ms 47308 KB Output is correct
62 Correct 23 ms 47316 KB Output is correct
63 Correct 23 ms 47316 KB Output is correct
64 Correct 25 ms 47320 KB Output is correct
65 Correct 29 ms 47436 KB Output is correct
66 Correct 26 ms 47384 KB Output is correct
67 Correct 25 ms 47444 KB Output is correct
68 Correct 24 ms 47480 KB Output is correct
69 Correct 23 ms 47396 KB Output is correct
70 Correct 24 ms 47424 KB Output is correct
71 Correct 32 ms 47436 KB Output is correct
72 Correct 24 ms 47432 KB Output is correct
73 Correct 24 ms 47444 KB Output is correct
74 Correct 24 ms 47396 KB Output is correct
75 Correct 24 ms 47312 KB Output is correct
76 Correct 23 ms 47448 KB Output is correct
77 Correct 29 ms 47436 KB Output is correct
78 Correct 29 ms 47328 KB Output is correct
79 Correct 36 ms 50464 KB Output is correct
80 Correct 36 ms 50124 KB Output is correct
81 Correct 34 ms 53000 KB Output is correct
82 Correct 39 ms 54572 KB Output is correct
83 Correct 43 ms 54616 KB Output is correct
84 Correct 32 ms 50096 KB Output is correct
85 Correct 43 ms 49868 KB Output is correct
86 Correct 40 ms 57460 KB Output is correct
87 Correct 34 ms 49336 KB Output is correct
88 Correct 37 ms 50112 KB Output is correct
89 Correct 38 ms 50508 KB Output is correct
90 Correct 35 ms 50112 KB Output is correct
91 Correct 34 ms 51536 KB Output is correct
92 Correct 32 ms 50180 KB Output is correct
93 Correct 50 ms 54924 KB Output is correct
94 Correct 34 ms 51156 KB Output is correct
95 Correct 32 ms 49540 KB Output is correct
96 Correct 36 ms 55512 KB Output is correct
97 Correct 39 ms 56984 KB Output is correct
98 Correct 43 ms 54296 KB Output is correct
99 Correct 24 ms 47224 KB Output is correct
100 Correct 26 ms 47304 KB Output is correct
101 Correct 24 ms 47280 KB Output is correct
102 Correct 26 ms 47316 KB Output is correct
103 Correct 22 ms 47316 KB Output is correct
104 Correct 24 ms 47356 KB Output is correct
105 Correct 24 ms 47304 KB Output is correct
106 Correct 24 ms 47320 KB Output is correct
107 Correct 24 ms 47320 KB Output is correct
108 Correct 25 ms 47272 KB Output is correct
109 Correct 23 ms 47288 KB Output is correct
110 Correct 29 ms 47316 KB Output is correct
111 Correct 112 ms 64600 KB Output is correct
112 Correct 100 ms 61392 KB Output is correct
113 Correct 105 ms 67492 KB Output is correct
114 Correct 115 ms 67032 KB Output is correct
115 Correct 94 ms 65276 KB Output is correct
116 Correct 147 ms 114064 KB Output is correct
117 Correct 101 ms 67292 KB Output is correct
118 Correct 26 ms 47484 KB Output is correct
119 Correct 31 ms 47436 KB Output is correct
120 Correct 31 ms 47500 KB Output is correct
121 Correct 25 ms 47440 KB Output is correct
122 Correct 25 ms 47476 KB Output is correct
123 Correct 25 ms 47472 KB Output is correct
124 Correct 25 ms 47436 KB Output is correct
125 Correct 25 ms 47408 KB Output is correct
126 Correct 26 ms 47360 KB Output is correct
127 Correct 25 ms 47316 KB Output is correct
128 Correct 24 ms 47368 KB Output is correct
129 Correct 26 ms 47372 KB Output is correct
130 Correct 25 ms 47392 KB Output is correct
131 Correct 24 ms 47260 KB Output is correct
132 Correct 45 ms 50476 KB Output is correct
133 Correct 37 ms 50092 KB Output is correct
134 Correct 45 ms 52928 KB Output is correct
135 Correct 40 ms 54460 KB Output is correct
136 Correct 41 ms 54672 KB Output is correct
137 Correct 34 ms 50124 KB Output is correct
138 Correct 38 ms 49796 KB Output is correct
139 Correct 43 ms 57388 KB Output is correct
140 Correct 42 ms 49272 KB Output is correct
141 Correct 48 ms 50068 KB Output is correct
142 Correct 40 ms 50536 KB Output is correct
143 Correct 38 ms 50124 KB Output is correct
144 Correct 36 ms 51576 KB Output is correct
145 Correct 36 ms 50120 KB Output is correct
146 Correct 44 ms 54988 KB Output is correct
147 Correct 35 ms 51148 KB Output is correct
148 Correct 34 ms 49492 KB Output is correct
149 Correct 38 ms 55464 KB Output is correct
150 Correct 42 ms 57024 KB Output is correct
151 Correct 38 ms 54248 KB Output is correct
152 Correct 347 ms 116060 KB Output is correct
153 Correct 384 ms 124212 KB Output is correct
154 Correct 345 ms 112580 KB Output is correct
155 Correct 412 ms 157636 KB Output is correct
156 Correct 316 ms 125708 KB Output is correct
157 Correct 341 ms 99300 KB Output is correct
158 Correct 332 ms 133716 KB Output is correct
159 Correct 468 ms 251400 KB Output is correct
160 Correct 443 ms 231464 KB Output is correct
161 Correct 325 ms 94968 KB Output is correct
162 Correct 301 ms 99060 KB Output is correct