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답안 #934193

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
934193 2024-02-27T00:18:39 Z Ahmed57 The short shank; Redemption (BOI21_prison) C++17
100 / 100
 1627 ms 366524 KB 
#include "bits/stdc++.h"

using namespace std;
#define int long long

#ifdef LOCAL
#include "debug.cpp"
#else
#define debug(...)
#endif
int n;
pair<int,int> seg[8000001];
int lazy[8000001];
vector<int> adj[2000001];
bool vis[2000001];
int p[2000001],in[2000001],out[2000001];
void prop(int p,int l,int r){
    seg[p].first+=lazy[p];
    if(l!=r){
        lazy[p*2]+=lazy[p];
        lazy[p*2+1]+=lazy[p];
    }
    lazy[p] = 0;
}
void update(int p,int l,int r,int lq,int rq,int val,int nah){
    prop(p,l,r);
    if(l>=lq&&r<=rq){
        if(nah!=-1&&l==r){
            seg[p].second = nah;
        }
        lazy[p]+=val;
        prop(p,l,r);
        return ;
    }
    if(r<lq||l>rq)return ;
    int md = (l+r)/2;
    update(p*2,l,md,lq,rq,val,nah);
    update(p*2+1,md+1,r,lq,rq,val,nah);
    seg[p] = max(seg[p*2],seg[p*2+1]);
}
int get(int p,int l,int r,int idx){
    prop(p,l,r);
    if(l==r)return seg[p].first;
    int md = (l+r)/2;
    if(idx<=md)return get(p*2,l,md,idx);
    else return get(p*2+1,md+1,r,idx);
}
int timer = 0;
void dfs(int i,int pr,int dep){
    p[i] = pr;
    in[i] = ++timer;
    update(1,1,n,in[i],in[i],dep,i);
    for(auto j:adj[i]){
        dfs(j,i,dep+1);
    }
    out[i] = timer;
}
void ers(int idx){
    vis[idx] = 1;
    int nah = get(1,1,n,in[idx]);
    for(auto j:adj[idx]){
        if(vis[j])continue;
        update(1,1,n,in[j],out[j],-nah-1,-1);
    }
    update(1,1,n,in[idx],in[idx],-1e9,-1);
    if(p[idx]!=-1&&vis[p[idx]]==0)ers(p[idx]);
}
signed main() {
    ios_base::sync_with_stdio(false);cin.tie(0);
    int d,T;
    cin>>n>>d>>T;
    n++;
    int arr[n];
    for(int i = 1;i<n;i++)cin>>arr[i];
    arr[0] = 1e10;
    stack<pair<int,int>> s;
    int nxt[n];
    for(int i = n-1;i>=0;i--){
        while(!s.empty()&&arr[s.top().first]-s.top().first>=arr[i]-i)s.pop();
        int nah = max(0ll,T+1-arr[i])+i;
        if(nah==i){
            int lol = 0;
            if(!s.empty()&&s.top().first==i+1){
                lol = s.top().second;
            }else{
                lol = i+1;
            }
            nxt[i] = lol;
            s.push({i,nah});
        }else{
            int a3 = nah;
            if(!s.empty()&&s.top().first<=nah){
                a3 = s.top().second;
            }
            nxt[i] = a3;
            s.push({i,a3});
        }
        if(arr[i]<=T)nxt[i] = -1;
        if(nxt[i]>=n)nxt[i] = -1;
    }
    for(int i = 0;i<n;i++){
        if(nxt[i]!=-1){
            adj[nxt[i]].push_back(i);
        }
    }
    for(int i = n-1;i>=0;i--){
        if(in[i]==0){
            dfs(i,-1,0);
        }
    }
    int fin = 0;
    for(int i = 0;i<n;i++){
        if(arr[i]<=T){
            fin++;
            vis[i] = 1;
            update(1,1,n,in[i],in[i],-1e9,-1);
        }
    }
    int de = 0;
    if(vis[de]==0)ers(de);
    for(int i = 1;i<=d;i++){
        int de = seg[1].second;
        if(vis[de])continue;
        ers(de);
    }
    for(int i = 0;i<n;i++){
        if(!vis[i])fin++;
    }
    cout<<fin<<endl;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 55640 KB Output is correct
2 Correct 13 ms 55644 KB Output is correct
3 Correct 14 ms 55640 KB Output is correct
4 Correct 13 ms 55644 KB Output is correct
5 Correct 15 ms 55640 KB Output is correct
6 Correct 13 ms 55900 KB Output is correct
7 Correct 14 ms 55800 KB Output is correct
8 Correct 14 ms 56152 KB Output is correct
9 Correct 13 ms 55900 KB Output is correct
10 Correct 14 ms 55900 KB Output is correct
11 Correct 13 ms 55668 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 55644 KB Output is correct
2 Correct 282 ms 104300 KB Output is correct
3 Correct 303 ms 102396 KB Output is correct
4 Correct 281 ms 107604 KB Output is correct
5 Correct 274 ms 111440 KB Output is correct
6 Correct 339 ms 125020 KB Output is correct
7 Correct 381 ms 144720 KB Output is correct
8 Correct 332 ms 122452 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 55640 KB Output is correct
2 Correct 13 ms 55644 KB Output is correct
3 Correct 14 ms 55640 KB Output is correct
4 Correct 13 ms 55644 KB Output is correct
5 Correct 15 ms 55640 KB Output is correct
6 Correct 13 ms 55900 KB Output is correct
7 Correct 14 ms 55800 KB Output is correct
8 Correct 14 ms 56152 KB Output is correct
9 Correct 13 ms 55900 KB Output is correct
10 Correct 14 ms 55900 KB Output is correct
11 Correct 13 ms 55668 KB Output is correct
12 Correct 13 ms 55644 KB Output is correct
13 Correct 13 ms 55848 KB Output is correct
14 Correct 13 ms 55636 KB Output is correct
15 Correct 14 ms 55644 KB Output is correct
16 Correct 13 ms 55896 KB Output is correct
17 Correct 14 ms 55900 KB Output is correct
18 Correct 13 ms 55900 KB Output is correct
19 Correct 13 ms 55900 KB Output is correct
20 Correct 13 ms 55852 KB Output is correct
21 Correct 13 ms 55896 KB Output is correct
22 Correct 13 ms 55900 KB Output is correct
23 Correct 15 ms 55900 KB Output is correct
24 Correct 16 ms 55900 KB Output is correct
25 Correct 17 ms 56156 KB Output is correct
26 Correct 14 ms 55900 KB Output is correct
27 Correct 15 ms 55900 KB Output is correct
28 Correct 15 ms 55896 KB Output is correct
29 Correct 15 ms 55896 KB Output is correct
30 Correct 15 ms 56152 KB Output is correct
31 Correct 15 ms 56156 KB Output is correct
32 Correct 14 ms 56116 KB Output is correct
33 Correct 15 ms 55900 KB Output is correct
34 Correct 15 ms 55900 KB Output is correct
35 Correct 16 ms 56100 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 55644 KB Output is correct
2 Correct 49 ms 66644 KB Output is correct
3 Correct 50 ms 66576 KB Output is correct
4 Correct 59 ms 69468 KB Output is correct
5 Correct 60 ms 69712 KB Output is correct
6 Correct 61 ms 69980 KB Output is correct
7 Correct 59 ms 69320 KB Output is correct
8 Correct 58 ms 69716 KB Output is correct
9 Correct 62 ms 72288 KB Output is correct
10 Correct 55 ms 68020 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 55640 KB Output is correct
2 Correct 13 ms 55644 KB Output is correct
3 Correct 14 ms 55640 KB Output is correct
4 Correct 13 ms 55644 KB Output is correct
5 Correct 15 ms 55640 KB Output is correct
6 Correct 13 ms 55900 KB Output is correct
7 Correct 14 ms 55800 KB Output is correct
8 Correct 14 ms 56152 KB Output is correct
9 Correct 13 ms 55900 KB Output is correct
10 Correct 14 ms 55900 KB Output is correct
11 Correct 13 ms 55668 KB Output is correct
12 Correct 13 ms 55644 KB Output is correct
13 Correct 13 ms 55848 KB Output is correct
14 Correct 13 ms 55636 KB Output is correct
15 Correct 14 ms 55644 KB Output is correct
16 Correct 13 ms 55896 KB Output is correct
17 Correct 14 ms 55900 KB Output is correct
18 Correct 13 ms 55900 KB Output is correct
19 Correct 13 ms 55900 KB Output is correct
20 Correct 13 ms 55852 KB Output is correct
21 Correct 13 ms 55896 KB Output is correct
22 Correct 13 ms 55900 KB Output is correct
23 Correct 15 ms 55900 KB Output is correct
24 Correct 16 ms 55900 KB Output is correct
25 Correct 17 ms 56156 KB Output is correct
26 Correct 14 ms 55900 KB Output is correct
27 Correct 15 ms 55900 KB Output is correct
28 Correct 15 ms 55896 KB Output is correct
29 Correct 15 ms 55896 KB Output is correct
30 Correct 15 ms 56152 KB Output is correct
31 Correct 15 ms 56156 KB Output is correct
32 Correct 14 ms 56116 KB Output is correct
33 Correct 15 ms 55900 KB Output is correct
34 Correct 15 ms 55900 KB Output is correct
35 Correct 16 ms 56100 KB Output is correct
36 Correct 12 ms 55644 KB Output is correct
37 Correct 49 ms 66644 KB Output is correct
38 Correct 50 ms 66576 KB Output is correct
39 Correct 59 ms 69468 KB Output is correct
40 Correct 60 ms 69712 KB Output is correct
41 Correct 61 ms 69980 KB Output is correct
42 Correct 59 ms 69320 KB Output is correct
43 Correct 58 ms 69716 KB Output is correct
44 Correct 62 ms 72288 KB Output is correct
45 Correct 55 ms 68020 KB Output is correct
46 Correct 12 ms 55644 KB Output is correct
47 Correct 12 ms 55644 KB Output is correct
48 Correct 13 ms 55776 KB Output is correct
49 Correct 12 ms 56152 KB Output is correct
50 Correct 13 ms 55740 KB Output is correct
51 Correct 15 ms 56152 KB Output is correct
52 Correct 12 ms 55644 KB Output is correct
53 Correct 13 ms 55776 KB Output is correct
54 Correct 13 ms 55900 KB Output is correct
55 Correct 12 ms 55900 KB Output is correct
56 Correct 13 ms 55900 KB Output is correct
57 Correct 14 ms 56032 KB Output is correct
58 Correct 15 ms 55900 KB Output is correct
59 Correct 14 ms 55896 KB Output is correct
60 Correct 15 ms 55896 KB Output is correct
61 Correct 14 ms 55900 KB Output is correct
62 Correct 14 ms 55900 KB Output is correct
63 Correct 14 ms 55900 KB Output is correct
64 Correct 15 ms 56052 KB Output is correct
65 Correct 15 ms 56156 KB Output is correct
66 Correct 14 ms 55900 KB Output is correct
67 Correct 15 ms 55988 KB Output is correct
68 Correct 14 ms 55900 KB Output is correct
69 Correct 15 ms 55900 KB Output is correct
70 Correct 13 ms 55640 KB Output is correct
71 Correct 50 ms 67548 KB Output is correct
72 Correct 51 ms 67152 KB Output is correct
73 Correct 61 ms 69944 KB Output is correct
74 Correct 62 ms 70868 KB Output is correct
75 Correct 60 ms 70532 KB Output is correct
76 Correct 58 ms 69836 KB Output is correct
77 Correct 60 ms 69912 KB Output is correct
78 Correct 71 ms 72168 KB Output is correct
79 Correct 55 ms 68024 KB Output is correct
80 Correct 58 ms 67096 KB Output is correct
81 Correct 60 ms 67408 KB Output is correct
82 Correct 63 ms 67156 KB Output is correct
83 Correct 59 ms 68436 KB Output is correct
84 Correct 63 ms 67716 KB Output is correct
85 Correct 62 ms 70736 KB Output is correct
86 Correct 65 ms 69344 KB Output is correct
87 Correct 66 ms 69460 KB Output is correct
88 Correct 67 ms 72028 KB Output is correct
89 Correct 63 ms 72016 KB Output is correct
90 Correct 61 ms 70588 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 55640 KB Output is correct
2 Correct 13 ms 55644 KB Output is correct
3 Correct 14 ms 55640 KB Output is correct
4 Correct 13 ms 55644 KB Output is correct
5 Correct 15 ms 55640 KB Output is correct
6 Correct 13 ms 55900 KB Output is correct
7 Correct 14 ms 55800 KB Output is correct
8 Correct 14 ms 56152 KB Output is correct
9 Correct 13 ms 55900 KB Output is correct
10 Correct 14 ms 55900 KB Output is correct
11 Correct 13 ms 55668 KB Output is correct
12 Correct 13 ms 55644 KB Output is correct
13 Correct 282 ms 104300 KB Output is correct
14 Correct 303 ms 102396 KB Output is correct
15 Correct 281 ms 107604 KB Output is correct
16 Correct 274 ms 111440 KB Output is correct
17 Correct 339 ms 125020 KB Output is correct
18 Correct 381 ms 144720 KB Output is correct
19 Correct 332 ms 122452 KB Output is correct
20 Correct 13 ms 55644 KB Output is correct
21 Correct 13 ms 55848 KB Output is correct
22 Correct 13 ms 55636 KB Output is correct
23 Correct 14 ms 55644 KB Output is correct
24 Correct 13 ms 55896 KB Output is correct
25 Correct 14 ms 55900 KB Output is correct
26 Correct 13 ms 55900 KB Output is correct
27 Correct 13 ms 55900 KB Output is correct
28 Correct 13 ms 55852 KB Output is correct
29 Correct 13 ms 55896 KB Output is correct
30 Correct 13 ms 55900 KB Output is correct
31 Correct 15 ms 55900 KB Output is correct
32 Correct 16 ms 55900 KB Output is correct
33 Correct 17 ms 56156 KB Output is correct
34 Correct 14 ms 55900 KB Output is correct
35 Correct 15 ms 55900 KB Output is correct
36 Correct 15 ms 55896 KB Output is correct
37 Correct 15 ms 55896 KB Output is correct
38 Correct 15 ms 56152 KB Output is correct
39 Correct 15 ms 56156 KB Output is correct
40 Correct 14 ms 56116 KB Output is correct
41 Correct 15 ms 55900 KB Output is correct
42 Correct 15 ms 55900 KB Output is correct
43 Correct 16 ms 56100 KB Output is correct
44 Correct 12 ms 55644 KB Output is correct
45 Correct 49 ms 66644 KB Output is correct
46 Correct 50 ms 66576 KB Output is correct
47 Correct 59 ms 69468 KB Output is correct
48 Correct 60 ms 69712 KB Output is correct
49 Correct 61 ms 69980 KB Output is correct
50 Correct 59 ms 69320 KB Output is correct
51 Correct 58 ms 69716 KB Output is correct
52 Correct 62 ms 72288 KB Output is correct
53 Correct 55 ms 68020 KB Output is correct
54 Correct 12 ms 55644 KB Output is correct
55 Correct 12 ms 55644 KB Output is correct
56 Correct 13 ms 55776 KB Output is correct
57 Correct 12 ms 56152 KB Output is correct
58 Correct 13 ms 55740 KB Output is correct
59 Correct 15 ms 56152 KB Output is correct
60 Correct 12 ms 55644 KB Output is correct
61 Correct 13 ms 55776 KB Output is correct
62 Correct 13 ms 55900 KB Output is correct
63 Correct 12 ms 55900 KB Output is correct
64 Correct 13 ms 55900 KB Output is correct
65 Correct 14 ms 56032 KB Output is correct
66 Correct 15 ms 55900 KB Output is correct
67 Correct 14 ms 55896 KB Output is correct
68 Correct 15 ms 55896 KB Output is correct
69 Correct 14 ms 55900 KB Output is correct
70 Correct 14 ms 55900 KB Output is correct
71 Correct 14 ms 55900 KB Output is correct
72 Correct 15 ms 56052 KB Output is correct
73 Correct 15 ms 56156 KB Output is correct
74 Correct 14 ms 55900 KB Output is correct
75 Correct 15 ms 55988 KB Output is correct
76 Correct 14 ms 55900 KB Output is correct
77 Correct 15 ms 55900 KB Output is correct
78 Correct 13 ms 55640 KB Output is correct
79 Correct 50 ms 67548 KB Output is correct
80 Correct 51 ms 67152 KB Output is correct
81 Correct 61 ms 69944 KB Output is correct
82 Correct 62 ms 70868 KB Output is correct
83 Correct 60 ms 70532 KB Output is correct
84 Correct 58 ms 69836 KB Output is correct
85 Correct 60 ms 69912 KB Output is correct
86 Correct 71 ms 72168 KB Output is correct
87 Correct 55 ms 68024 KB Output is correct
88 Correct 58 ms 67096 KB Output is correct
89 Correct 60 ms 67408 KB Output is correct
90 Correct 63 ms 67156 KB Output is correct
91 Correct 59 ms 68436 KB Output is correct
92 Correct 63 ms 67716 KB Output is correct
93 Correct 62 ms 70736 KB Output is correct
94 Correct 65 ms 69344 KB Output is correct
95 Correct 66 ms 69460 KB Output is correct
96 Correct 67 ms 72028 KB Output is correct
97 Correct 63 ms 72016 KB Output is correct
98 Correct 61 ms 70588 KB Output is correct
99 Correct 13 ms 55644 KB Output is correct
100 Correct 12 ms 55800 KB Output is correct
101 Correct 13 ms 55900 KB Output is correct
102 Correct 13 ms 55644 KB Output is correct
103 Correct 12 ms 55900 KB Output is correct
104 Correct 13 ms 55900 KB Output is correct
105 Correct 13 ms 55772 KB Output is correct
106 Correct 13 ms 55900 KB Output is correct
107 Correct 12 ms 55900 KB Output is correct
108 Correct 13 ms 55732 KB Output is correct
109 Correct 13 ms 55900 KB Output is correct
110 Correct 13 ms 55644 KB Output is correct
111 Correct 280 ms 109396 KB Output is correct
112 Correct 300 ms 107236 KB Output is correct
113 Correct 287 ms 110944 KB Output is correct
114 Correct 274 ms 113312 KB Output is correct
115 Correct 359 ms 125016 KB Output is correct
116 Correct 380 ms 144464 KB Output is correct
117 Correct 344 ms 122716 KB Output is correct
118 Correct 14 ms 56148 KB Output is correct
119 Correct 14 ms 55900 KB Output is correct
120 Correct 15 ms 55900 KB Output is correct
121 Correct 14 ms 56052 KB Output is correct
122 Correct 15 ms 55900 KB Output is correct
123 Correct 14 ms 55900 KB Output is correct
124 Correct 14 ms 55984 KB Output is correct
125 Correct 14 ms 56156 KB Output is correct
126 Correct 15 ms 56156 KB Output is correct
127 Correct 14 ms 55896 KB Output is correct
128 Correct 14 ms 55904 KB Output is correct
129 Correct 15 ms 55900 KB Output is correct
130 Correct 15 ms 56104 KB Output is correct
131 Correct 13 ms 55644 KB Output is correct
132 Correct 49 ms 67420 KB Output is correct
133 Correct 50 ms 67156 KB Output is correct
134 Correct 60 ms 69972 KB Output is correct
135 Correct 61 ms 70640 KB Output is correct
136 Correct 64 ms 70736 KB Output is correct
137 Correct 59 ms 69712 KB Output is correct
138 Correct 59 ms 70160 KB Output is correct
139 Correct 64 ms 72280 KB Output is correct
140 Correct 55 ms 67776 KB Output is correct
141 Correct 56 ms 67156 KB Output is correct
142 Correct 61 ms 67408 KB Output is correct
143 Correct 61 ms 67308 KB Output is correct
144 Correct 59 ms 68436 KB Output is correct
145 Correct 70 ms 67824 KB Output is correct
146 Correct 63 ms 70932 KB Output is correct
147 Correct 66 ms 69200 KB Output is correct
148 Correct 68 ms 69460 KB Output is correct
149 Correct 62 ms 72016 KB Output is correct
150 Correct 69 ms 72016 KB Output is correct
151 Correct 67 ms 70488 KB Output is correct
152 Correct 1230 ms 261444 KB Output is correct
153 Correct 1182 ms 264640 KB Output is correct
154 Correct 1208 ms 259244 KB Output is correct
155 Correct 1349 ms 291096 KB Output is correct
156 Correct 1502 ms 272652 KB Output is correct
157 Correct 1503 ms 342268 KB Output is correct
158 Correct 1489 ms 338496 KB Output is correct
159 Correct 1602 ms 366524 KB Output is correct
160 Correct 1627 ms 343236 KB Output is correct
161 Correct 1619 ms 308224 KB Output is correct
162 Correct 1524 ms 306000 KB Output is correct