oj.uz

답안 #824125

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
824125 2023-08-13T14:44:34 Z alvingogo The short shank; Redemption (BOI21_prison) C++14
100 / 100
 364 ms 272808 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
#define int long long
using namespace std;

struct no{
    vector<int> ch;
    int dep=-1,dp=0;
};
vector<no> g;
void dfs(int r,int f){
    g[r].dep=g[f].dep+1;
    g[r].dp=g[r].dep;
    for(auto h:g[r].ch){
        dfs(h,r);
        g[r].dp=max(g[r].dp,g[h].dp);
    }
}
vector<int> z;
void dfs2(int r,int f,int y){
    pair<int,int> mx(-1,-1);
    for(auto h:g[r].ch){
        mx=max(mx,{g[h].dp,h});
    }
    for(auto h:g[r].ch){
        if(mx.sc==h){
            dfs2(h,r,y+1);
        }
        else{
            dfs2(h,r,1);
        }
    }
    if(mx.sc==-1){
        z.push_back(y);
    }
}
signed main(){
    AquA;
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int n,d,t;
    cin >> n >> d >> t;
    g.resize(n+1);
    vector<int> v(n),fl(n);
    int x=t;
    for(int i=0;i<n;i++){
        cin >> v[i];
        x=min(x+1,v[i]);
        if(x>t){
            fl[i]=1;
        }
    }
    int rt=n;
    int rn=2e9;
    vector<int> s;
    s.push_back(n);
    int ans=0;
    for(int i=n-1;i>=0;i--){
        if(fl[i]){
            s.clear();
            s.push_back(n);
            rn=2e9;
            continue;
        }
        if(v[i]<=t){
            rn=min(rn,v[i]-i);
            ans++;
        }
        else{
            while(s.back()!=n && t-s.back()>=rn){
                s.pop_back();
            }
            g[s.back()].ch.push_back(i);
            s.push_back(i);
            rn=2e9;
        }
    }
    dfs(rt,rt);
    dfs2(rt,rt,0);
    sort(z.begin(),z.end(),greater<int>());
    d=min(d,(int)z.size());
    for(int i=d;i<z.size();i++){
        ans+=z[i];
    }
    cout << ans << "\n";
    return 0;
}

Compilation message

prison.cpp: In function 'int main()':
prison.cpp:86:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |     for(int i=d;i<z.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 70 ms 34120 KB Output is correct
3 Correct 69 ms 31952 KB Output is correct
4 Correct 65 ms 36796 KB Output is correct
5 Correct 64 ms 37060 KB Output is correct
6 Correct 63 ms 40004 KB Output is correct
7 Correct 93 ms 82592 KB Output is correct
8 Correct 68 ms 41252 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 596 KB Output is correct
35 Correct 1 ms 596 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 11 ms 5840 KB Output is correct
3 Correct 11 ms 5472 KB Output is correct
4 Correct 11 ms 8404 KB Output is correct
5 Correct 12 ms 9556 KB Output is correct
6 Correct 12 ms 9672 KB Output is correct
7 Correct 9 ms 5844 KB Output is correct
8 Correct 9 ms 5732 KB Output is correct
9 Correct 13 ms 11984 KB Output is correct
10 Correct 8 ms 5356 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 596 KB Output is correct
35 Correct 1 ms 596 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 11 ms 5840 KB Output is correct
38 Correct 11 ms 5472 KB Output is correct
39 Correct 11 ms 8404 KB Output is correct
40 Correct 12 ms 9556 KB Output is correct
41 Correct 12 ms 9672 KB Output is correct
42 Correct 9 ms 5844 KB Output is correct
43 Correct 9 ms 5732 KB Output is correct
44 Correct 13 ms 11984 KB Output is correct
45 Correct 8 ms 5356 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 596 KB Output is correct
58 Correct 1 ms 596 KB Output is correct
59 Correct 1 ms 596 KB Output is correct
60 Correct 1 ms 596 KB Output is correct
61 Correct 1 ms 596 KB Output is correct
62 Correct 1 ms 596 KB Output is correct
63 Correct 1 ms 596 KB Output is correct
64 Correct 1 ms 556 KB Output is correct
65 Correct 1 ms 596 KB Output is correct
66 Correct 1 ms 596 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 1 ms 596 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 11 ms 5856 KB Output is correct
72 Correct 10 ms 5468 KB Output is correct
73 Correct 13 ms 8408 KB Output is correct
74 Correct 14 ms 9556 KB Output is correct
75 Correct 12 ms 9676 KB Output is correct
76 Correct 10 ms 5856 KB Output is correct
77 Correct 9 ms 5716 KB Output is correct
78 Correct 12 ms 11996 KB Output is correct
79 Correct 7 ms 5352 KB Output is correct
80 Correct 13 ms 5456 KB Output is correct
81 Correct 11 ms 5856 KB Output is correct
82 Correct 10 ms 5464 KB Output is correct
83 Correct 10 ms 6932 KB Output is correct
84 Correct 9 ms 5728 KB Output is correct
85 Correct 12 ms 9776 KB Output is correct
86 Correct 10 ms 6736 KB Output is correct
87 Correct 9 ms 5344 KB Output is correct
88 Correct 11 ms 10572 KB Output is correct
89 Correct 13 ms 11592 KB Output is correct
90 Correct 11 ms 9532 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 70 ms 34120 KB Output is correct
14 Correct 69 ms 31952 KB Output is correct
15 Correct 65 ms 36796 KB Output is correct
16 Correct 64 ms 37060 KB Output is correct
17 Correct 63 ms 40004 KB Output is correct
18 Correct 93 ms 82592 KB Output is correct
19 Correct 68 ms 41252 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 596 KB Output is correct
35 Correct 1 ms 596 KB Output is correct
36 Correct 1 ms 596 KB Output is correct
37 Correct 1 ms 596 KB Output is correct
38 Correct 1 ms 596 KB Output is correct
39 Correct 1 ms 596 KB Output is correct
40 Correct 1 ms 596 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 1 ms 596 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 11 ms 5840 KB Output is correct
46 Correct 11 ms 5472 KB Output is correct
47 Correct 11 ms 8404 KB Output is correct
48 Correct 12 ms 9556 KB Output is correct
49 Correct 12 ms 9672 KB Output is correct
50 Correct 9 ms 5844 KB Output is correct
51 Correct 9 ms 5732 KB Output is correct
52 Correct 13 ms 11984 KB Output is correct
53 Correct 8 ms 5356 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 0 ms 340 KB Output is correct
61 Correct 0 ms 340 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 0 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 596 KB Output is correct
66 Correct 1 ms 596 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 1 ms 596 KB Output is correct
70 Correct 1 ms 596 KB Output is correct
71 Correct 1 ms 596 KB Output is correct
72 Correct 1 ms 556 KB Output is correct
73 Correct 1 ms 596 KB Output is correct
74 Correct 1 ms 596 KB Output is correct
75 Correct 1 ms 596 KB Output is correct
76 Correct 1 ms 596 KB Output is correct
77 Correct 1 ms 596 KB Output is correct
78 Correct 0 ms 212 KB Output is correct
79 Correct 11 ms 5856 KB Output is correct
80 Correct 10 ms 5468 KB Output is correct
81 Correct 13 ms 8408 KB Output is correct
82 Correct 14 ms 9556 KB Output is correct
83 Correct 12 ms 9676 KB Output is correct
84 Correct 10 ms 5856 KB Output is correct
85 Correct 9 ms 5716 KB Output is correct
86 Correct 12 ms 11996 KB Output is correct
87 Correct 7 ms 5352 KB Output is correct
88 Correct 13 ms 5456 KB Output is correct
89 Correct 11 ms 5856 KB Output is correct
90 Correct 10 ms 5464 KB Output is correct
91 Correct 10 ms 6932 KB Output is correct
92 Correct 9 ms 5728 KB Output is correct
93 Correct 12 ms 9776 KB Output is correct
94 Correct 10 ms 6736 KB Output is correct
95 Correct 9 ms 5344 KB Output is correct
96 Correct 11 ms 10572 KB Output is correct
97 Correct 13 ms 11592 KB Output is correct
98 Correct 11 ms 9532 KB Output is correct
99 Correct 0 ms 212 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 340 KB Output is correct
103 Correct 0 ms 328 KB Output is correct
104 Correct 1 ms 340 KB Output is correct
105 Correct 1 ms 340 KB Output is correct
106 Correct 0 ms 340 KB Output is correct
107 Correct 0 ms 340 KB Output is correct
108 Correct 1 ms 320 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 1 ms 212 KB Output is correct
111 Correct 71 ms 38956 KB Output is correct
112 Correct 66 ms 36800 KB Output is correct
113 Correct 69 ms 40276 KB Output is correct
114 Correct 65 ms 38916 KB Output is correct
115 Correct 67 ms 40004 KB Output is correct
116 Correct 91 ms 82340 KB Output is correct
117 Correct 69 ms 41260 KB Output is correct
118 Correct 1 ms 596 KB Output is correct
119 Correct 1 ms 588 KB Output is correct
120 Correct 1 ms 592 KB Output is correct
121 Correct 1 ms 588 KB Output is correct
122 Correct 1 ms 596 KB Output is correct
123 Correct 1 ms 596 KB Output is correct
124 Correct 1 ms 588 KB Output is correct
125 Correct 1 ms 588 KB Output is correct
126 Correct 1 ms 588 KB Output is correct
127 Correct 1 ms 596 KB Output is correct
128 Correct 1 ms 596 KB Output is correct
129 Correct 1 ms 596 KB Output is correct
130 Correct 1 ms 596 KB Output is correct
131 Correct 1 ms 212 KB Output is correct
132 Correct 11 ms 6584 KB Output is correct
133 Correct 11 ms 6224 KB Output is correct
134 Correct 14 ms 8868 KB Output is correct
135 Correct 13 ms 10316 KB Output is correct
136 Correct 13 ms 10428 KB Output is correct
137 Correct 9 ms 6396 KB Output is correct
138 Correct 9 ms 6228 KB Output is correct
139 Correct 13 ms 12508 KB Output is correct
140 Correct 9 ms 5856 KB Output is correct
141 Correct 12 ms 6220 KB Output is correct
142 Correct 13 ms 6592 KB Output is correct
143 Correct 11 ms 6208 KB Output is correct
144 Correct 10 ms 7372 KB Output is correct
145 Correct 9 ms 5964 KB Output is correct
146 Correct 13 ms 10572 KB Output is correct
147 Correct 10 ms 7268 KB Output is correct
148 Correct 8 ms 5844 KB Output is correct
149 Correct 12 ms 11088 KB Output is correct
150 Correct 13 ms 12104 KB Output is correct
151 Correct 15 ms 10108 KB Output is correct
152 Correct 273 ms 155180 KB Output is correct
153 Correct 311 ms 158040 KB Output is correct
154 Correct 273 ms 152668 KB Output is correct
155 Correct 364 ms 190652 KB Output is correct
156 Correct 252 ms 154284 KB Output is correct
157 Correct 248 ms 144468 KB Output is correct
158 Correct 268 ms 174964 KB Output is correct
159 Correct 340 ms 272808 KB Output is correct
160 Correct 335 ms 258204 KB Output is correct
161 Correct 218 ms 145472 KB Output is correct
162 Correct 238 ms 144896 KB Output is correct