oj.uz

답안 #973801

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
973801 2024-05-02T11:05:39 Z kl0989e The short shank; Redemption (BOI21_prison) C++17
100 / 100
 284 ms 139388 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define fi first
#define se second
#define pb push_back
#define vi vector<int>
#define pi pair<int, int>
#define all(x) (x).begin(),(x).end()

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,d,t;
    cin >> n >> d >> t;
    vi times(n);
    int last_reb=-1;
    vector<pi> q;
    vi inact(n,-1);
    vi next;
    int rebc=0;
    for (int i=0; i<n; i++) {
        cin >> times[i];
        last_reb=max(last_reb,i+t-times[i]);
        if (q.size()) {
            q.back().se=max(q.back().se,i+t-times[i]);
        }
        if (times[i]>t && last_reb>=i) {
            rebc++;
            int loc_last_reb=-1;
            while (q.size()) {
                auto [ind,new_reb]=q.back();
                loc_last_reb=max(loc_last_reb,new_reb);
                if (loc_last_reb>=i) {
                    break;
                }
                next[inact[ind]]=next.size();
                q.pop_back();
            }
            q.pb({i,-1});
            inact[i]=next.size();
            next.pb(-1);
        }
        else if (times[i]<=t) {
            rebc++;
        }
    }
    vector<vi> graph(next.size());
    vi maxdepth(next.size(),1);
    vi maxchild(next.size(),-1);
    vector<bool> ok(next.size(),1);
    for (int i=0; i<next.size(); i++) {
        if (next[i]!=-1) {
            graph[next[i]].pb(i);
            ok[i]=0;
            if (maxdepth[i]+1>maxdepth[next[i]]) {
                maxdepth[next[i]]=maxdepth[i]+1;
                maxchild[next[i]]=i;
            }
        }
    }
    priority_queue<pi> qu;
    for (int i=0; i<next.size(); i++) {
        if (ok[i]) {
            qu.emplace(maxdepth[i],i);
        }
    }
    for (int i=0; i<d; i++) {
        if (!qu.size()) {
            break;
        }
        auto [depth,j]=qu.top();
        qu.pop();
        rebc-=depth;
        while (j!=-1 && graph[j].size()) {
            for (auto to:graph[j]) {
                if (to!=maxchild[j]) {
                    qu.emplace(maxdepth[to],to);
                }
            }
            j=maxchild[j];
        }
    }
    cout << rebc << '\n';
    return 0;
}

Compilation message

prison.cpp: In function 'int main()':
prison.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for (int i=0; i<next.size(); i++) {
      |                   ~^~~~~~~~~~~~
prison.cpp:64:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for (int i=0; i<next.size(); i++) {
      |                   ~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 59 ms 24420 KB Output is correct
3 Correct 54 ms 19412 KB Output is correct
4 Correct 54 ms 24504 KB Output is correct
5 Correct 52 ms 26632 KB Output is correct
6 Correct 52 ms 21456 KB Output is correct
7 Correct 67 ms 41424 KB Output is correct
8 Correct 54 ms 23980 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 10 ms 5032 KB Output is correct
3 Correct 10 ms 4148 KB Output is correct
4 Correct 9 ms 4872 KB Output is correct
5 Correct 10 ms 5100 KB Output is correct
6 Correct 10 ms 5368 KB Output is correct
7 Correct 8 ms 3420 KB Output is correct
8 Correct 7 ms 3164 KB Output is correct
9 Correct 11 ms 6360 KB Output is correct
10 Correct 8 ms 3800 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 600 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 10 ms 5032 KB Output is correct
38 Correct 10 ms 4148 KB Output is correct
39 Correct 9 ms 4872 KB Output is correct
40 Correct 10 ms 5100 KB Output is correct
41 Correct 10 ms 5368 KB Output is correct
42 Correct 8 ms 3420 KB Output is correct
43 Correct 7 ms 3164 KB Output is correct
44 Correct 11 ms 6360 KB Output is correct
45 Correct 8 ms 3800 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 452 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 456 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 604 KB Output is correct
58 Correct 1 ms 604 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 604 KB Output is correct
61 Correct 1 ms 604 KB Output is correct
62 Correct 1 ms 604 KB Output is correct
63 Correct 1 ms 604 KB Output is correct
64 Correct 1 ms 536 KB Output is correct
65 Correct 1 ms 604 KB Output is correct
66 Correct 1 ms 600 KB Output is correct
67 Correct 1 ms 600 KB Output is correct
68 Correct 1 ms 604 KB Output is correct
69 Correct 1 ms 604 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 10 ms 4720 KB Output is correct
72 Correct 11 ms 4056 KB Output is correct
73 Correct 9 ms 4872 KB Output is correct
74 Correct 10 ms 5156 KB Output is correct
75 Correct 10 ms 5216 KB Output is correct
76 Correct 8 ms 3420 KB Output is correct
77 Correct 7 ms 3160 KB Output is correct
78 Correct 10 ms 6364 KB Output is correct
79 Correct 7 ms 3800 KB Output is correct
80 Correct 11 ms 4164 KB Output is correct
81 Correct 11 ms 4824 KB Output is correct
82 Correct 10 ms 4236 KB Output is correct
83 Correct 9 ms 4952 KB Output is correct
84 Correct 8 ms 4188 KB Output is correct
85 Correct 10 ms 5592 KB Output is correct
86 Correct 10 ms 4064 KB Output is correct
87 Correct 9 ms 3384 KB Output is correct
88 Correct 9 ms 5600 KB Output is correct
89 Correct 10 ms 6432 KB Output is correct
90 Correct 10 ms 5344 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 59 ms 24420 KB Output is correct
14 Correct 54 ms 19412 KB Output is correct
15 Correct 54 ms 24504 KB Output is correct
16 Correct 52 ms 26632 KB Output is correct
17 Correct 52 ms 21456 KB Output is correct
18 Correct 67 ms 41424 KB Output is correct
19 Correct 54 ms 23980 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 600 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 10 ms 5032 KB Output is correct
46 Correct 10 ms 4148 KB Output is correct
47 Correct 9 ms 4872 KB Output is correct
48 Correct 10 ms 5100 KB Output is correct
49 Correct 10 ms 5368 KB Output is correct
50 Correct 8 ms 3420 KB Output is correct
51 Correct 7 ms 3164 KB Output is correct
52 Correct 11 ms 6360 KB Output is correct
53 Correct 8 ms 3800 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 452 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 456 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 1 ms 604 KB Output is correct
66 Correct 1 ms 604 KB Output is correct
67 Correct 1 ms 468 KB Output is correct
68 Correct 1 ms 604 KB Output is correct
69 Correct 1 ms 604 KB Output is correct
70 Correct 1 ms 604 KB Output is correct
71 Correct 1 ms 604 KB Output is correct
72 Correct 1 ms 536 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 600 KB Output is correct
75 Correct 1 ms 600 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 604 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 10 ms 4720 KB Output is correct
80 Correct 11 ms 4056 KB Output is correct
81 Correct 9 ms 4872 KB Output is correct
82 Correct 10 ms 5156 KB Output is correct
83 Correct 10 ms 5216 KB Output is correct
84 Correct 8 ms 3420 KB Output is correct
85 Correct 7 ms 3160 KB Output is correct
86 Correct 10 ms 6364 KB Output is correct
87 Correct 7 ms 3800 KB Output is correct
88 Correct 11 ms 4164 KB Output is correct
89 Correct 11 ms 4824 KB Output is correct
90 Correct 10 ms 4236 KB Output is correct
91 Correct 9 ms 4952 KB Output is correct
92 Correct 8 ms 4188 KB Output is correct
93 Correct 10 ms 5592 KB Output is correct
94 Correct 10 ms 4064 KB Output is correct
95 Correct 9 ms 3384 KB Output is correct
96 Correct 9 ms 5600 KB Output is correct
97 Correct 10 ms 6432 KB Output is correct
98 Correct 10 ms 5344 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 1 ms 348 KB Output is correct
102 Correct 0 ms 460 KB Output is correct
103 Correct 1 ms 344 KB Output is correct
104 Correct 0 ms 348 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 0 ms 348 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 0 ms 348 KB Output is correct
111 Correct 59 ms 24504 KB Output is correct
112 Correct 51 ms 19340 KB Output is correct
113 Correct 51 ms 24504 KB Output is correct
114 Correct 51 ms 26628 KB Output is correct
115 Correct 52 ms 21452 KB Output is correct
116 Correct 72 ms 41576 KB Output is correct
117 Correct 54 ms 23888 KB Output is correct
118 Correct 1 ms 540 KB Output is correct
119 Correct 1 ms 604 KB Output is correct
120 Correct 1 ms 468 KB Output is correct
121 Correct 1 ms 604 KB Output is correct
122 Correct 1 ms 604 KB Output is correct
123 Correct 1 ms 604 KB Output is correct
124 Correct 1 ms 604 KB Output is correct
125 Correct 1 ms 604 KB Output is correct
126 Correct 1 ms 604 KB Output is correct
127 Correct 1 ms 604 KB Output is correct
128 Correct 1 ms 604 KB Output is correct
129 Correct 1 ms 468 KB Output is correct
130 Correct 1 ms 600 KB Output is correct
131 Correct 0 ms 348 KB Output is correct
132 Correct 10 ms 4632 KB Output is correct
133 Correct 9 ms 4056 KB Output is correct
134 Correct 9 ms 4704 KB Output is correct
135 Correct 10 ms 5096 KB Output is correct
136 Correct 10 ms 5372 KB Output is correct
137 Correct 7 ms 3420 KB Output is correct
138 Correct 7 ms 3244 KB Output is correct
139 Correct 10 ms 6364 KB Output is correct
140 Correct 7 ms 3796 KB Output is correct
141 Correct 10 ms 4160 KB Output is correct
142 Correct 11 ms 4824 KB Output is correct
143 Correct 10 ms 4160 KB Output is correct
144 Correct 9 ms 4956 KB Output is correct
145 Correct 8 ms 4188 KB Output is correct
146 Correct 10 ms 5592 KB Output is correct
147 Correct 10 ms 4064 KB Output is correct
148 Correct 9 ms 3100 KB Output is correct
149 Correct 9 ms 5600 KB Output is correct
150 Correct 10 ms 6364 KB Output is correct
151 Correct 10 ms 5344 KB Output is correct
152 Correct 231 ms 98584 KB Output is correct
153 Correct 229 ms 106544 KB Output is correct
154 Correct 224 ms 93252 KB Output is correct
155 Correct 235 ms 115672 KB Output is correct
156 Correct 220 ms 110824 KB Output is correct
157 Correct 195 ms 75616 KB Output is correct
158 Correct 212 ms 92736 KB Output is correct
159 Correct 278 ms 139388 KB Output is correct
160 Correct 284 ms 135308 KB Output is correct
161 Correct 216 ms 71748 KB Output is correct
162 Correct 194 ms 73680 KB Output is correct