oj.uz

Submission #418068

# Submission time Handle Problem Language Result Execution time Memory
418068 2021-06-05T03:17:15 Z balbit The short shank; Redemption (BOI21_prison) C++14
100 / 100
 577 ms 241672 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int, int>
#define f first
#define s second

#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define pb push_back
#define MX(a,b) a = max(a,b)
#define MN(a,b) a = min(a,b)

#define REP(i,n) for (int i = 0; i<n; ++i)
#define REP1(i,n) for (int i = 1; i<=n; ++i)

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<": "<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do( T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do( T && x, S && ...y) {cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif // BALBIT



const int maxn = 2e6+6;

int par[maxn];
bool done[maxn];
int to[maxn];
int h[maxn];
bool isleaf[maxn];
int dep[maxn];
vector<pii> hey;
vector<int>g[maxn];
void dfs(int v) {
    hey.pb({dep[v], v});
    for (int u : g[v]) {
        dep[u] = dep[v] + 1;
        dfs(u);
    }
}

signed main(){
    ios::sync_with_stdio(0), cin.tie(0);
    memset(par, -1, sizeof par);
    memset(to, -1, sizeof to);
    int n,D,T;
    cin>>n>>D>>T;
    int mightreb = 0;
    int willreb = 0;
    vector<int> q;
    vector<int> tos;
    REP(i,n) {
        cin>>h[i];
        while (!q.empty() && h[q.back()] - q.back() > T - i ) {
            q.pop_back();
        }
        if (h[i] > T) {
            if (!q.empty() ) {
                to[i] = q.back();
                bug(i, to[i]);
//                isleaf[i] = 1;
                while (!tos.empty() && to[tos.back()] >= to[i]) {
//                    isleaf[i] = 0;
                    par[tos.back()] = i;
                    g[i].pb(tos.back());
                    tos.pop_back();
                }
                tos.pb(i);
                mightreb ++;
            }
        }else{
            willreb++;
        }
        q.pb(i);
    }

    REP(i,n) {
        if (to[i]!=-1 && par[i] == -1) {
            // is root
            dfs(i);
        }
    }
    sort(ALL(hey), greater<pii>());
    vector<int> tk;
    for (pii xx : hey) {
        int x = xx.s;
        if (done[x]) continue;
        int len = 0;
        for( int at = x; at != -1 && !done[at]; at = par[at]) {
            done[at] = 1;
            ++len;
        }
        tk.pb(len);
        bug(len);
    }
    sort(ALL(tk), greater<int>());
    REP(i, min(SZ(tk), D)) {
        mightreb -= tk[i];
    }
    bug(mightreb, willreb);
    cout<<mightreb + willreb<<endl;


}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 62892 KB Output is correct
2 Correct 32 ms 62924 KB Output is correct
3 Correct 32 ms 62924 KB Output is correct
4 Correct 32 ms 62888 KB Output is correct
5 Correct 34 ms 62936 KB Output is correct
6 Correct 32 ms 62976 KB Output is correct
7 Correct 33 ms 62904 KB Output is correct
8 Correct 32 ms 62948 KB Output is correct
9 Correct 33 ms 62892 KB Output is correct
10 Correct 32 ms 62972 KB Output is correct
11 Correct 32 ms 62852 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 62848 KB Output is correct
2 Correct 148 ms 80560 KB Output is correct
3 Correct 139 ms 77936 KB Output is correct
4 Correct 144 ms 82096 KB Output is correct
5 Correct 154 ms 80436 KB Output is correct
6 Correct 131 ms 79892 KB Output is correct
7 Correct 160 ms 122068 KB Output is correct
8 Correct 141 ms 81784 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 62892 KB Output is correct
2 Correct 32 ms 62924 KB Output is correct
3 Correct 32 ms 62924 KB Output is correct
4 Correct 32 ms 62888 KB Output is correct
5 Correct 34 ms 62936 KB Output is correct
6 Correct 32 ms 62976 KB Output is correct
7 Correct 33 ms 62904 KB Output is correct
8 Correct 32 ms 62948 KB Output is correct
9 Correct 33 ms 62892 KB Output is correct
10 Correct 32 ms 62972 KB Output is correct
11 Correct 32 ms 62852 KB Output is correct
12 Correct 32 ms 62916 KB Output is correct
13 Correct 33 ms 62920 KB Output is correct
14 Correct 32 ms 62936 KB Output is correct
15 Correct 32 ms 63044 KB Output is correct
16 Correct 34 ms 62908 KB Output is correct
17 Correct 33 ms 62916 KB Output is correct
18 Correct 33 ms 62924 KB Output is correct
19 Correct 32 ms 62928 KB Output is correct
20 Correct 33 ms 62900 KB Output is correct
21 Correct 34 ms 62976 KB Output is correct
22 Correct 33 ms 62836 KB Output is correct
23 Correct 34 ms 63084 KB Output is correct
24 Correct 33 ms 63052 KB Output is correct
25 Correct 35 ms 63068 KB Output is correct
26 Correct 36 ms 63088 KB Output is correct
27 Correct 34 ms 63092 KB Output is correct
28 Correct 33 ms 62976 KB Output is correct
29 Correct 34 ms 63096 KB Output is correct
30 Correct 32 ms 63032 KB Output is correct
31 Correct 34 ms 63044 KB Output is correct
32 Correct 34 ms 62976 KB Output is correct
33 Correct 34 ms 63088 KB Output is correct
34 Correct 33 ms 63044 KB Output is correct
35 Correct 33 ms 63112 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 62944 KB Output is correct
2 Correct 52 ms 65964 KB Output is correct
3 Correct 50 ms 65704 KB Output is correct
4 Correct 49 ms 68136 KB Output is correct
5 Correct 50 ms 69532 KB Output is correct
6 Correct 51 ms 69692 KB Output is correct
7 Correct 48 ms 65456 KB Output is correct
8 Correct 46 ms 65192 KB Output is correct
9 Correct 51 ms 71852 KB Output is correct
10 Correct 47 ms 64672 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 62892 KB Output is correct
2 Correct 32 ms 62924 KB Output is correct
3 Correct 32 ms 62924 KB Output is correct
4 Correct 32 ms 62888 KB Output is correct
5 Correct 34 ms 62936 KB Output is correct
6 Correct 32 ms 62976 KB Output is correct
7 Correct 33 ms 62904 KB Output is correct
8 Correct 32 ms 62948 KB Output is correct
9 Correct 33 ms 62892 KB Output is correct
10 Correct 32 ms 62972 KB Output is correct
11 Correct 32 ms 62852 KB Output is correct
12 Correct 32 ms 62916 KB Output is correct
13 Correct 33 ms 62920 KB Output is correct
14 Correct 32 ms 62936 KB Output is correct
15 Correct 32 ms 63044 KB Output is correct
16 Correct 34 ms 62908 KB Output is correct
17 Correct 33 ms 62916 KB Output is correct
18 Correct 33 ms 62924 KB Output is correct
19 Correct 32 ms 62928 KB Output is correct
20 Correct 33 ms 62900 KB Output is correct
21 Correct 34 ms 62976 KB Output is correct
22 Correct 33 ms 62836 KB Output is correct
23 Correct 34 ms 63084 KB Output is correct
24 Correct 33 ms 63052 KB Output is correct
25 Correct 35 ms 63068 KB Output is correct
26 Correct 36 ms 63088 KB Output is correct
27 Correct 34 ms 63092 KB Output is correct
28 Correct 33 ms 62976 KB Output is correct
29 Correct 34 ms 63096 KB Output is correct
30 Correct 32 ms 63032 KB Output is correct
31 Correct 34 ms 63044 KB Output is correct
32 Correct 34 ms 62976 KB Output is correct
33 Correct 34 ms 63088 KB Output is correct
34 Correct 33 ms 63044 KB Output is correct
35 Correct 33 ms 63112 KB Output is correct
36 Correct 33 ms 62944 KB Output is correct
37 Correct 52 ms 65964 KB Output is correct
38 Correct 50 ms 65704 KB Output is correct
39 Correct 49 ms 68136 KB Output is correct
40 Correct 50 ms 69532 KB Output is correct
41 Correct 51 ms 69692 KB Output is correct
42 Correct 48 ms 65456 KB Output is correct
43 Correct 46 ms 65192 KB Output is correct
44 Correct 51 ms 71852 KB Output is correct
45 Correct 47 ms 64672 KB Output is correct
46 Correct 34 ms 62912 KB Output is correct
47 Correct 33 ms 62924 KB Output is correct
48 Correct 33 ms 62916 KB Output is correct
49 Correct 33 ms 62896 KB Output is correct
50 Correct 32 ms 62928 KB Output is correct
51 Correct 33 ms 62928 KB Output is correct
52 Correct 33 ms 62904 KB Output is correct
53 Correct 33 ms 62844 KB Output is correct
54 Correct 33 ms 62832 KB Output is correct
55 Correct 33 ms 62860 KB Output is correct
56 Correct 32 ms 62876 KB Output is correct
57 Correct 33 ms 63128 KB Output is correct
58 Correct 38 ms 63044 KB Output is correct
59 Correct 34 ms 63044 KB Output is correct
60 Correct 34 ms 63060 KB Output is correct
61 Correct 34 ms 63052 KB Output is correct
62 Correct 34 ms 63048 KB Output is correct
63 Correct 36 ms 63064 KB Output is correct
64 Correct 34 ms 63064 KB Output is correct
65 Correct 33 ms 63052 KB Output is correct
66 Correct 33 ms 62992 KB Output is correct
67 Correct 33 ms 62976 KB Output is correct
68 Correct 33 ms 63064 KB Output is correct
69 Correct 34 ms 63164 KB Output is correct
70 Correct 33 ms 62872 KB Output is correct
71 Correct 52 ms 65996 KB Output is correct
72 Correct 50 ms 65636 KB Output is correct
73 Correct 52 ms 68160 KB Output is correct
74 Correct 50 ms 69540 KB Output is correct
75 Correct 50 ms 69692 KB Output is correct
76 Correct 47 ms 65544 KB Output is correct
77 Correct 46 ms 65220 KB Output is correct
78 Correct 52 ms 71780 KB Output is correct
79 Correct 47 ms 64640 KB Output is correct
80 Correct 50 ms 65720 KB Output is correct
81 Correct 52 ms 65940 KB Output is correct
82 Correct 50 ms 65720 KB Output is correct
83 Correct 50 ms 66876 KB Output is correct
84 Correct 49 ms 65344 KB Output is correct
85 Correct 52 ms 69844 KB Output is correct
86 Correct 51 ms 66460 KB Output is correct
87 Correct 46 ms 64968 KB Output is correct
88 Correct 56 ms 70332 KB Output is correct
89 Correct 52 ms 71444 KB Output is correct
90 Correct 50 ms 69220 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 62892 KB Output is correct
2 Correct 32 ms 62924 KB Output is correct
3 Correct 32 ms 62924 KB Output is correct
4 Correct 32 ms 62888 KB Output is correct
5 Correct 34 ms 62936 KB Output is correct
6 Correct 32 ms 62976 KB Output is correct
7 Correct 33 ms 62904 KB Output is correct
8 Correct 32 ms 62948 KB Output is correct
9 Correct 33 ms 62892 KB Output is correct
10 Correct 32 ms 62972 KB Output is correct
11 Correct 32 ms 62852 KB Output is correct
12 Correct 32 ms 62848 KB Output is correct
13 Correct 148 ms 80560 KB Output is correct
14 Correct 139 ms 77936 KB Output is correct
15 Correct 144 ms 82096 KB Output is correct
16 Correct 154 ms 80436 KB Output is correct
17 Correct 131 ms 79892 KB Output is correct
18 Correct 160 ms 122068 KB Output is correct
19 Correct 141 ms 81784 KB Output is correct
20 Correct 32 ms 62916 KB Output is correct
21 Correct 33 ms 62920 KB Output is correct
22 Correct 32 ms 62936 KB Output is correct
23 Correct 32 ms 63044 KB Output is correct
24 Correct 34 ms 62908 KB Output is correct
25 Correct 33 ms 62916 KB Output is correct
26 Correct 33 ms 62924 KB Output is correct
27 Correct 32 ms 62928 KB Output is correct
28 Correct 33 ms 62900 KB Output is correct
29 Correct 34 ms 62976 KB Output is correct
30 Correct 33 ms 62836 KB Output is correct
31 Correct 34 ms 63084 KB Output is correct
32 Correct 33 ms 63052 KB Output is correct
33 Correct 35 ms 63068 KB Output is correct
34 Correct 36 ms 63088 KB Output is correct
35 Correct 34 ms 63092 KB Output is correct
36 Correct 33 ms 62976 KB Output is correct
37 Correct 34 ms 63096 KB Output is correct
38 Correct 32 ms 63032 KB Output is correct
39 Correct 34 ms 63044 KB Output is correct
40 Correct 34 ms 62976 KB Output is correct
41 Correct 34 ms 63088 KB Output is correct
42 Correct 33 ms 63044 KB Output is correct
43 Correct 33 ms 63112 KB Output is correct
44 Correct 33 ms 62944 KB Output is correct
45 Correct 52 ms 65964 KB Output is correct
46 Correct 50 ms 65704 KB Output is correct
47 Correct 49 ms 68136 KB Output is correct
48 Correct 50 ms 69532 KB Output is correct
49 Correct 51 ms 69692 KB Output is correct
50 Correct 48 ms 65456 KB Output is correct
51 Correct 46 ms 65192 KB Output is correct
52 Correct 51 ms 71852 KB Output is correct
53 Correct 47 ms 64672 KB Output is correct
54 Correct 34 ms 62912 KB Output is correct
55 Correct 33 ms 62924 KB Output is correct
56 Correct 33 ms 62916 KB Output is correct
57 Correct 33 ms 62896 KB Output is correct
58 Correct 32 ms 62928 KB Output is correct
59 Correct 33 ms 62928 KB Output is correct
60 Correct 33 ms 62904 KB Output is correct
61 Correct 33 ms 62844 KB Output is correct
62 Correct 33 ms 62832 KB Output is correct
63 Correct 33 ms 62860 KB Output is correct
64 Correct 32 ms 62876 KB Output is correct
65 Correct 33 ms 63128 KB Output is correct
66 Correct 38 ms 63044 KB Output is correct
67 Correct 34 ms 63044 KB Output is correct
68 Correct 34 ms 63060 KB Output is correct
69 Correct 34 ms 63052 KB Output is correct
70 Correct 34 ms 63048 KB Output is correct
71 Correct 36 ms 63064 KB Output is correct
72 Correct 34 ms 63064 KB Output is correct
73 Correct 33 ms 63052 KB Output is correct
74 Correct 33 ms 62992 KB Output is correct
75 Correct 33 ms 62976 KB Output is correct
76 Correct 33 ms 63064 KB Output is correct
77 Correct 34 ms 63164 KB Output is correct
78 Correct 33 ms 62872 KB Output is correct
79 Correct 52 ms 65996 KB Output is correct
80 Correct 50 ms 65636 KB Output is correct
81 Correct 52 ms 68160 KB Output is correct
82 Correct 50 ms 69540 KB Output is correct
83 Correct 50 ms 69692 KB Output is correct
84 Correct 47 ms 65544 KB Output is correct
85 Correct 46 ms 65220 KB Output is correct
86 Correct 52 ms 71780 KB Output is correct
87 Correct 47 ms 64640 KB Output is correct
88 Correct 50 ms 65720 KB Output is correct
89 Correct 52 ms 65940 KB Output is correct
90 Correct 50 ms 65720 KB Output is correct
91 Correct 50 ms 66876 KB Output is correct
92 Correct 49 ms 65344 KB Output is correct
93 Correct 52 ms 69844 KB Output is correct
94 Correct 51 ms 66460 KB Output is correct
95 Correct 46 ms 64968 KB Output is correct
96 Correct 56 ms 70332 KB Output is correct
97 Correct 52 ms 71444 KB Output is correct
98 Correct 50 ms 69220 KB Output is correct
99 Correct 32 ms 62948 KB Output is correct
100 Correct 32 ms 62932 KB Output is correct
101 Correct 33 ms 62844 KB Output is correct
102 Correct 33 ms 62872 KB Output is correct
103 Correct 33 ms 62916 KB Output is correct
104 Correct 32 ms 62924 KB Output is correct
105 Correct 33 ms 62976 KB Output is correct
106 Correct 33 ms 62912 KB Output is correct
107 Correct 33 ms 62924 KB Output is correct
108 Correct 33 ms 62916 KB Output is correct
109 Correct 33 ms 62892 KB Output is correct
110 Correct 33 ms 62924 KB Output is correct
111 Correct 153 ms 80508 KB Output is correct
112 Correct 141 ms 77996 KB Output is correct
113 Correct 147 ms 82096 KB Output is correct
114 Correct 154 ms 80504 KB Output is correct
115 Correct 133 ms 79800 KB Output is correct
116 Correct 187 ms 122228 KB Output is correct
117 Correct 144 ms 81860 KB Output is correct
118 Correct 34 ms 63044 KB Output is correct
119 Correct 34 ms 63016 KB Output is correct
120 Correct 36 ms 63044 KB Output is correct
121 Correct 35 ms 63040 KB Output is correct
122 Correct 35 ms 63136 KB Output is correct
123 Correct 34 ms 63052 KB Output is correct
124 Correct 35 ms 63124 KB Output is correct
125 Correct 34 ms 63008 KB Output is correct
126 Correct 34 ms 63096 KB Output is correct
127 Correct 34 ms 62936 KB Output is correct
128 Correct 34 ms 62924 KB Output is correct
129 Correct 33 ms 63008 KB Output is correct
130 Correct 34 ms 63036 KB Output is correct
131 Correct 33 ms 62924 KB Output is correct
132 Correct 53 ms 65988 KB Output is correct
133 Correct 50 ms 65620 KB Output is correct
134 Correct 50 ms 68056 KB Output is correct
135 Correct 51 ms 69584 KB Output is correct
136 Correct 54 ms 69680 KB Output is correct
137 Correct 47 ms 65472 KB Output is correct
138 Correct 48 ms 65248 KB Output is correct
139 Correct 52 ms 71832 KB Output is correct
140 Correct 50 ms 64608 KB Output is correct
141 Correct 50 ms 65728 KB Output is correct
142 Correct 53 ms 65900 KB Output is correct
143 Correct 51 ms 65680 KB Output is correct
144 Correct 51 ms 66792 KB Output is correct
145 Correct 51 ms 65416 KB Output is correct
146 Correct 53 ms 69960 KB Output is correct
147 Correct 50 ms 66396 KB Output is correct
148 Correct 47 ms 64904 KB Output is correct
149 Correct 55 ms 70288 KB Output is correct
150 Correct 51 ms 71488 KB Output is correct
151 Correct 49 ms 69132 KB Output is correct
152 Correct 516 ms 114108 KB Output is correct
153 Correct 533 ms 138420 KB Output is correct
154 Correct 497 ms 130696 KB Output is correct
155 Correct 546 ms 165908 KB Output is correct
156 Correct 574 ms 133132 KB Output is correct
157 Correct 420 ms 112700 KB Output is correct
158 Correct 475 ms 143764 KB Output is correct
159 Correct 577 ms 241672 KB Output is correct
160 Correct 555 ms 225804 KB Output is correct
161 Correct 435 ms 107068 KB Output is correct
162 Correct 453 ms 112048 KB Output is correct