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Submission #469257

# Submission time Handle Problem Language Result Execution time Memory
469257 2021-08-31T09:18:20 Z kderylo The short shank; Redemption (BOI21_prison) C++17
80 / 100
 2000 ms 377644 KB 
#include <iostream>
#include <vector>
using namespace std;
const int stala=2097152;
int tab[stala];
int przedzial[stala];
vector<int>wektor;
vector<int>wektor2;
vector<int>tree[2*stala];
bool odwiedzony[stala];
int w[4*stala];
int W[4*stala];
int ind[4*stala];
int maks_index;
void update(int index,int index2,int war)
{
    index=index+stala-1;
    index2=index2+stala-1;
    w[index]+=war;
    if(index!=index2)
    {
        w[index2]+=war;
    }
    while(index>0)
    {
        if(index/2!=index2/2)
        {
            if(index%2==0)
            {
                w[index+1]+=war;
                W[index+1]=w[index+1]+max(W[2*(index+1)],W[(2*(index+1))+1]);
                if(index<stala)
                {
                    ind[index+1]=(W[2*(index+1)]>W[(2*(index+1))+1]) ? ind[2*(index+1)]:ind[(2*(index+1))+1];
                }
            }
            if(index2%2==1)
            {
                w[index2-1]+=war;
                W[index2-1]=w[index2-1]+max(W[2*(index2-1)],W[(2*(index2-1))+1]);
                if(index2<stala)
                {
                    ind[index2-1]=(W[2*(index2-1)]>W[(2*(index2-1))+1]) ? ind[2*(index2-1)]:ind[(2*(index2-1))+1];
                }
            }
        }
        W[index]=w[index]+max(W[2*index],W[(2*index)+1]);
        W[index2]=w[index2]+max(W[2*index2],W[(2*index2)+1]);
        if(index<stala)
        {
            ind[index]=(W[2*index]>W[(2*index)+1]) ? ind[2*index]:ind[(2*index)+1];
        }
        if(index2<stala)
        {
            ind[index2]=(W[2*index2]>W[(2*index2)+1]) ? ind[2*index2]:ind[(2*index2)+1];
        }
        index=index/2;
        index2=index2/2;
    }
}
int query(int index,int index2)
{
    maks_index=0;
    index=index+stala-1;
    index2=index2+stala-1;
    int resp=0;
    int resl=0;
    int indp=ind[index2];
    int indl=ind[index];
    while(index>0)
    {
        resl+=w[index];
        resp+=w[index2];
        if((index/2)!=(index2/2))
        {
            if(index%2==0)
            {
                indl=(resl>W[index+1]) ? indl:ind[index+1];
                resl=max(resl,W[index+1]);
            }
            if(index2%2==1)
            {
                indp=(resp>W[index2-1]) ? indp:ind[index2-1];
                resp=max(resp,W[index2-1]);
            }
        }
        index=index/2;
        index2=index2/2;
    }
    maks_index=(resp>resl) ? indp:indl;
    return max(resp,resl);
}
void pre()
{
    for(int i=stala;i<2*stala;i++)
    {
        ind[i]=i-stala+1;
    }
    for(int i=stala-1;i>=1;i--)
    {
        ind[i]=ind[2*i];
    }
}
void update2(int x1,int x2,int index)
{
    x1+=stala-1;
    x2+=stala-1;
    tree[x1].push_back(index);
    if(x1!=x2)
    {
        tree[x2].push_back(index);
    }
    while(x1/2!=x2/2)
    {
        if(x1%2==0)
        {
            tree[x1+1].push_back(index);
        }
        if(x2%2==1)
        {
            tree[x2-1].push_back(index);
        }
        x1/=2;
        x2/=2;
    }
}
void query2(int x1)
{
    x1+=stala-1;
    while(x1>0)
    {
        for(int i=0;i<(int)tree[x1].size();i++)
        {
            if(odwiedzony[tree[x1][i]]==0)
            {
                odwiedzony[tree[x1][i]]=1;
                update(przedzial[tree[x1][i]],tree[x1][i]-1,-1);
            }
        }
        tree[x1].clear();
        x1/=2;
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int ile,materace,t;
    cin>>ile>>materace>>t;
    for(int i=1;i<=ile;i++)
    {
        cin>>tab[i];
    }
    for(int i=1;i<=ile;i++)
    {
        if(tab[i]<=t)
        {
            int index=min(ile,t-tab[i]+i);
            while(!wektor.empty()&&wektor.back()<=index)
            {
                wektor.pop_back();
                wektor2.pop_back();
            }
            wektor.push_back(index);
            wektor2.push_back(i);
            przedzial[i]=i;
        }
        else if(!wektor.empty())
        {
            przedzial[i]=wektor2.back();
        }
        else
        {
            przedzial[i]=-1;
        }
        if(!wektor.empty())
        {
            if(wektor.back()==i)
            {
                wektor.pop_back();
                wektor2.pop_back();
            }
        }
    }
    pre();
    int nie=0;
    for(int i=1;i<=ile;i++)
    {
        if(przedzial[i]==-1)
        {
            nie++;
        }
        else if(przedzial[i]<i)
        {
            update(przedzial[i],i-1,1);
            update2(przedzial[i],i-1,i);
        }
    }
    for(int i=1;i<=materace;i++)
    {
        nie+=query(1,ile);
        query2(maks_index);
    }
    cout<<ile-nie;

    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 115264 KB Output is correct
2 Correct 68 ms 115312 KB Output is correct
3 Correct 62 ms 115344 KB Output is correct
4 Correct 63 ms 115336 KB Output is correct
5 Correct 64 ms 115252 KB Output is correct
6 Correct 63 ms 115312 KB Output is correct
7 Correct 63 ms 115308 KB Output is correct
8 Correct 65 ms 115336 KB Output is correct
9 Correct 64 ms 115252 KB Output is correct
10 Correct 63 ms 115300 KB Output is correct
11 Correct 64 ms 115268 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 115272 KB Output is correct
2 Correct 246 ms 135208 KB Output is correct
3 Correct 203 ms 131944 KB Output is correct
4 Correct 254 ms 138456 KB Output is correct
5 Correct 310 ms 145532 KB Output is correct
6 Correct 236 ms 135992 KB Output is correct
7 Correct 702 ms 188904 KB Output is correct
8 Correct 262 ms 140196 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 115264 KB Output is correct
2 Correct 68 ms 115312 KB Output is correct
3 Correct 62 ms 115344 KB Output is correct
4 Correct 63 ms 115336 KB Output is correct
5 Correct 64 ms 115252 KB Output is correct
6 Correct 63 ms 115312 KB Output is correct
7 Correct 63 ms 115308 KB Output is correct
8 Correct 65 ms 115336 KB Output is correct
9 Correct 64 ms 115252 KB Output is correct
10 Correct 63 ms 115300 KB Output is correct
11 Correct 64 ms 115268 KB Output is correct
12 Correct 63 ms 115212 KB Output is correct
13 Correct 66 ms 115432 KB Output is correct
14 Correct 65 ms 115316 KB Output is correct
15 Correct 64 ms 115280 KB Output is correct
16 Correct 63 ms 115360 KB Output is correct
17 Correct 63 ms 115268 KB Output is correct
18 Correct 63 ms 115296 KB Output is correct
19 Correct 63 ms 115268 KB Output is correct
20 Correct 64 ms 115336 KB Output is correct
21 Correct 63 ms 115268 KB Output is correct
22 Correct 63 ms 115352 KB Output is correct
23 Correct 65 ms 115444 KB Output is correct
24 Correct 65 ms 115396 KB Output is correct
25 Correct 64 ms 115524 KB Output is correct
26 Correct 66 ms 115448 KB Output is correct
27 Correct 65 ms 115452 KB Output is correct
28 Correct 65 ms 115496 KB Output is correct
29 Correct 65 ms 115408 KB Output is correct
30 Correct 64 ms 115452 KB Output is correct
31 Correct 64 ms 115528 KB Output is correct
32 Correct 63 ms 115396 KB Output is correct
33 Correct 69 ms 115500 KB Output is correct
34 Correct 65 ms 115528 KB Output is correct
35 Correct 65 ms 115588 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 115212 KB Output is correct
2 Correct 94 ms 118700 KB Output is correct
3 Correct 87 ms 118340 KB Output is correct
4 Correct 128 ms 121796 KB Output is correct
5 Correct 127 ms 123040 KB Output is correct
6 Correct 126 ms 123100 KB Output is correct
7 Correct 87 ms 118468 KB Output is correct
8 Correct 87 ms 118216 KB Output is correct
9 Correct 163 ms 125480 KB Output is correct
10 Correct 84 ms 117848 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 115264 KB Output is correct
2 Correct 68 ms 115312 KB Output is correct
3 Correct 62 ms 115344 KB Output is correct
4 Correct 63 ms 115336 KB Output is correct
5 Correct 64 ms 115252 KB Output is correct
6 Correct 63 ms 115312 KB Output is correct
7 Correct 63 ms 115308 KB Output is correct
8 Correct 65 ms 115336 KB Output is correct
9 Correct 64 ms 115252 KB Output is correct
10 Correct 63 ms 115300 KB Output is correct
11 Correct 64 ms 115268 KB Output is correct
12 Correct 63 ms 115212 KB Output is correct
13 Correct 66 ms 115432 KB Output is correct
14 Correct 65 ms 115316 KB Output is correct
15 Correct 64 ms 115280 KB Output is correct
16 Correct 63 ms 115360 KB Output is correct
17 Correct 63 ms 115268 KB Output is correct
18 Correct 63 ms 115296 KB Output is correct
19 Correct 63 ms 115268 KB Output is correct
20 Correct 64 ms 115336 KB Output is correct
21 Correct 63 ms 115268 KB Output is correct
22 Correct 63 ms 115352 KB Output is correct
23 Correct 65 ms 115444 KB Output is correct
24 Correct 65 ms 115396 KB Output is correct
25 Correct 64 ms 115524 KB Output is correct
26 Correct 66 ms 115448 KB Output is correct
27 Correct 65 ms 115452 KB Output is correct
28 Correct 65 ms 115496 KB Output is correct
29 Correct 65 ms 115408 KB Output is correct
30 Correct 64 ms 115452 KB Output is correct
31 Correct 64 ms 115528 KB Output is correct
32 Correct 63 ms 115396 KB Output is correct
33 Correct 69 ms 115500 KB Output is correct
34 Correct 65 ms 115528 KB Output is correct
35 Correct 65 ms 115588 KB Output is correct
36 Correct 62 ms 115212 KB Output is correct
37 Correct 94 ms 118700 KB Output is correct
38 Correct 87 ms 118340 KB Output is correct
39 Correct 128 ms 121796 KB Output is correct
40 Correct 127 ms 123040 KB Output is correct
41 Correct 126 ms 123100 KB Output is correct
42 Correct 87 ms 118468 KB Output is correct
43 Correct 87 ms 118216 KB Output is correct
44 Correct 163 ms 125480 KB Output is correct
45 Correct 84 ms 117848 KB Output is correct
46 Correct 64 ms 115268 KB Output is correct
47 Correct 65 ms 115304 KB Output is correct
48 Correct 63 ms 115248 KB Output is correct
49 Correct 65 ms 115332 KB Output is correct
50 Correct 71 ms 115360 KB Output is correct
51 Correct 64 ms 115300 KB Output is correct
52 Correct 63 ms 115360 KB Output is correct
53 Correct 64 ms 115312 KB Output is correct
54 Correct 65 ms 115324 KB Output is correct
55 Correct 63 ms 115256 KB Output is correct
56 Correct 63 ms 115352 KB Output is correct
57 Correct 64 ms 115524 KB Output is correct
58 Correct 64 ms 115396 KB Output is correct
59 Correct 64 ms 115472 KB Output is correct
60 Correct 67 ms 115412 KB Output is correct
61 Correct 66 ms 115516 KB Output is correct
62 Correct 64 ms 115396 KB Output is correct
63 Correct 64 ms 115408 KB Output is correct
64 Correct 68 ms 115740 KB Output is correct
65 Correct 64 ms 115504 KB Output is correct
66 Correct 65 ms 115396 KB Output is correct
67 Correct 65 ms 115468 KB Output is correct
68 Correct 67 ms 115524 KB Output is correct
69 Correct 66 ms 115592 KB Output is correct
70 Correct 65 ms 115348 KB Output is correct
71 Correct 94 ms 118776 KB Output is correct
72 Correct 91 ms 118284 KB Output is correct
73 Correct 124 ms 121804 KB Output is correct
74 Correct 127 ms 123036 KB Output is correct
75 Correct 125 ms 123036 KB Output is correct
76 Correct 89 ms 118424 KB Output is correct
77 Correct 86 ms 118116 KB Output is correct
78 Correct 161 ms 125564 KB Output is correct
79 Correct 86 ms 117928 KB Output is correct
80 Correct 96 ms 118336 KB Output is correct
81 Correct 105 ms 118836 KB Output is correct
82 Correct 99 ms 118300 KB Output is correct
83 Correct 121 ms 121648 KB Output is correct
84 Correct 111 ms 119620 KB Output is correct
85 Correct 132 ms 123520 KB Output is correct
86 Correct 112 ms 119688 KB Output is correct
87 Correct 95 ms 117956 KB Output is correct
88 Correct 142 ms 123752 KB Output is correct
89 Correct 164 ms 126268 KB Output is correct
90 Correct 141 ms 123416 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 115264 KB Output is correct
2 Correct 68 ms 115312 KB Output is correct
3 Correct 62 ms 115344 KB Output is correct
4 Correct 63 ms 115336 KB Output is correct
5 Correct 64 ms 115252 KB Output is correct
6 Correct 63 ms 115312 KB Output is correct
7 Correct 63 ms 115308 KB Output is correct
8 Correct 65 ms 115336 KB Output is correct
9 Correct 64 ms 115252 KB Output is correct
10 Correct 63 ms 115300 KB Output is correct
11 Correct 64 ms 115268 KB Output is correct
12 Correct 63 ms 115272 KB Output is correct
13 Correct 246 ms 135208 KB Output is correct
14 Correct 203 ms 131944 KB Output is correct
15 Correct 254 ms 138456 KB Output is correct
16 Correct 310 ms 145532 KB Output is correct
17 Correct 236 ms 135992 KB Output is correct
18 Correct 702 ms 188904 KB Output is correct
19 Correct 262 ms 140196 KB Output is correct
20 Correct 63 ms 115212 KB Output is correct
21 Correct 66 ms 115432 KB Output is correct
22 Correct 65 ms 115316 KB Output is correct
23 Correct 64 ms 115280 KB Output is correct
24 Correct 63 ms 115360 KB Output is correct
25 Correct 63 ms 115268 KB Output is correct
26 Correct 63 ms 115296 KB Output is correct
27 Correct 63 ms 115268 KB Output is correct
28 Correct 64 ms 115336 KB Output is correct
29 Correct 63 ms 115268 KB Output is correct
30 Correct 63 ms 115352 KB Output is correct
31 Correct 65 ms 115444 KB Output is correct
32 Correct 65 ms 115396 KB Output is correct
33 Correct 64 ms 115524 KB Output is correct
34 Correct 66 ms 115448 KB Output is correct
35 Correct 65 ms 115452 KB Output is correct
36 Correct 65 ms 115496 KB Output is correct
37 Correct 65 ms 115408 KB Output is correct
38 Correct 64 ms 115452 KB Output is correct
39 Correct 64 ms 115528 KB Output is correct
40 Correct 63 ms 115396 KB Output is correct
41 Correct 69 ms 115500 KB Output is correct
42 Correct 65 ms 115528 KB Output is correct
43 Correct 65 ms 115588 KB Output is correct
44 Correct 62 ms 115212 KB Output is correct
45 Correct 94 ms 118700 KB Output is correct
46 Correct 87 ms 118340 KB Output is correct
47 Correct 128 ms 121796 KB Output is correct
48 Correct 127 ms 123040 KB Output is correct
49 Correct 126 ms 123100 KB Output is correct
50 Correct 87 ms 118468 KB Output is correct
51 Correct 87 ms 118216 KB Output is correct
52 Correct 163 ms 125480 KB Output is correct
53 Correct 84 ms 117848 KB Output is correct
54 Correct 64 ms 115268 KB Output is correct
55 Correct 65 ms 115304 KB Output is correct
56 Correct 63 ms 115248 KB Output is correct
57 Correct 65 ms 115332 KB Output is correct
58 Correct 71 ms 115360 KB Output is correct
59 Correct 64 ms 115300 KB Output is correct
60 Correct 63 ms 115360 KB Output is correct
61 Correct 64 ms 115312 KB Output is correct
62 Correct 65 ms 115324 KB Output is correct
63 Correct 63 ms 115256 KB Output is correct
64 Correct 63 ms 115352 KB Output is correct
65 Correct 64 ms 115524 KB Output is correct
66 Correct 64 ms 115396 KB Output is correct
67 Correct 64 ms 115472 KB Output is correct
68 Correct 67 ms 115412 KB Output is correct
69 Correct 66 ms 115516 KB Output is correct
70 Correct 64 ms 115396 KB Output is correct
71 Correct 64 ms 115408 KB Output is correct
72 Correct 68 ms 115740 KB Output is correct
73 Correct 64 ms 115504 KB Output is correct
74 Correct 65 ms 115396 KB Output is correct
75 Correct 65 ms 115468 KB Output is correct
76 Correct 67 ms 115524 KB Output is correct
77 Correct 66 ms 115592 KB Output is correct
78 Correct 65 ms 115348 KB Output is correct
79 Correct 94 ms 118776 KB Output is correct
80 Correct 91 ms 118284 KB Output is correct
81 Correct 124 ms 121804 KB Output is correct
82 Correct 127 ms 123036 KB Output is correct
83 Correct 125 ms 123036 KB Output is correct
84 Correct 89 ms 118424 KB Output is correct
85 Correct 86 ms 118116 KB Output is correct
86 Correct 161 ms 125564 KB Output is correct
87 Correct 86 ms 117928 KB Output is correct
88 Correct 96 ms 118336 KB Output is correct
89 Correct 105 ms 118836 KB Output is correct
90 Correct 99 ms 118300 KB Output is correct
91 Correct 121 ms 121648 KB Output is correct
92 Correct 111 ms 119620 KB Output is correct
93 Correct 132 ms 123520 KB Output is correct
94 Correct 112 ms 119688 KB Output is correct
95 Correct 95 ms 117956 KB Output is correct
96 Correct 142 ms 123752 KB Output is correct
97 Correct 164 ms 126268 KB Output is correct
98 Correct 141 ms 123416 KB Output is correct
99 Correct 66 ms 115260 KB Output is correct
100 Correct 61 ms 115268 KB Output is correct
101 Correct 66 ms 115272 KB Output is correct
102 Correct 65 ms 115280 KB Output is correct
103 Correct 64 ms 115272 KB Output is correct
104 Correct 62 ms 115252 KB Output is correct
105 Correct 65 ms 115348 KB Output is correct
106 Correct 62 ms 115288 KB Output is correct
107 Correct 62 ms 115332 KB Output is correct
108 Correct 65 ms 115560 KB Output is correct
109 Correct 64 ms 115268 KB Output is correct
110 Correct 63 ms 115280 KB Output is correct
111 Correct 231 ms 135144 KB Output is correct
112 Correct 197 ms 131908 KB Output is correct
113 Correct 256 ms 138500 KB Output is correct
114 Correct 301 ms 145604 KB Output is correct
115 Correct 252 ms 136116 KB Output is correct
116 Correct 709 ms 188820 KB Output is correct
117 Correct 264 ms 140200 KB Output is correct
118 Correct 65 ms 115524 KB Output is correct
119 Correct 64 ms 115420 KB Output is correct
120 Correct 66 ms 115524 KB Output is correct
121 Correct 65 ms 115440 KB Output is correct
122 Correct 66 ms 115444 KB Output is correct
123 Correct 65 ms 115420 KB Output is correct
124 Correct 66 ms 115504 KB Output is correct
125 Correct 64 ms 115404 KB Output is correct
126 Correct 63 ms 115544 KB Output is correct
127 Correct 65 ms 115440 KB Output is correct
128 Correct 66 ms 115524 KB Output is correct
129 Correct 66 ms 115552 KB Output is correct
130 Correct 67 ms 115536 KB Output is correct
131 Correct 63 ms 115228 KB Output is correct
132 Correct 91 ms 118764 KB Output is correct
133 Correct 89 ms 118332 KB Output is correct
134 Correct 122 ms 121784 KB Output is correct
135 Correct 125 ms 122944 KB Output is correct
136 Correct 128 ms 123072 KB Output is correct
137 Correct 87 ms 118468 KB Output is correct
138 Correct 86 ms 118212 KB Output is correct
139 Correct 165 ms 125812 KB Output is correct
140 Correct 83 ms 117828 KB Output is correct
141 Correct 96 ms 118396 KB Output is correct
142 Correct 108 ms 118836 KB Output is correct
143 Correct 100 ms 118340 KB Output is correct
144 Correct 122 ms 121748 KB Output is correct
145 Correct 108 ms 119524 KB Output is correct
146 Correct 129 ms 123444 KB Output is correct
147 Correct 111 ms 119656 KB Output is correct
148 Correct 96 ms 118044 KB Output is correct
149 Correct 144 ms 123940 KB Output is correct
150 Correct 168 ms 126308 KB Output is correct
151 Correct 140 ms 123460 KB Output is correct
152 Correct 733 ms 196996 KB Output is correct
153 Correct 780 ms 201424 KB Output is correct
154 Correct 715 ms 193360 KB Output is correct
155 Correct 1449 ms 267220 KB Output is correct
156 Correct 1304 ms 238540 KB Output is correct
157 Correct 584 ms 173492 KB Output is correct
158 Correct 870 ms 208548 KB Output is correct
159 Execution timed out 2100 ms 377644 KB Time limit exceeded
160 Halted 0 ms 0 KB -