oj.uz

Submission #47409

# Submission time Handle Problem Language Result Execution time Memory
47409 2018-05-02T12:01:32 Z daniel_02 Construction of Highway (JOI18_construction) C++17
16 / 100
 240 ms 956 KB 
#include <bits/stdc++.h>

#define ll long long
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front

using namespace std;

const int N = 4000 + 7;
const int inf = 4000+7;

int a[N], pr[N];
int t[N];
int cnt;


deque<int>dq;

void update (int r) {
    for (; r > 0; r -= (r & -r))
        t[r] ++;
}
int get (int r) {
    int res = 0;
    for (; r < N; r += (r & -r))
        res += t[r];
    return res;
}
void dfs(int v)
{
    while (v != 0) {
        dq.pf(a[v]);
        v = pr[v];
    }
}
void conquer(int v)
{
    ll ans = 0;
    dfs(v);

    cnt = 1;
    for (int i = 0; i < dq.size(); i++)
    {
        ans += get(dq[i] + 1);
        update(dq[i]);
    }
//    for (int i = 0; i < dq.size(); i++)
//        update(1, 1, inf, dq[i], -inf);
    memset(t, 0, sizeof(t));
    dq.clear();
    printf("%lld\n", ans);
}
void upd(int v, int x)
{
   while (v != 0) {
        a[v] = x;
        v = pr[v];
   }
}
vector <int> vec;

main()
{
    int n;

    scanf("%d", &n);

    for (int i = 1; i <= n; i++) {
        scanf("%d", &a[i]);
        vec.pb(a[i]);
    }
    sort(vec.begin(),vec.end());
    vec.erase(unique(vec.begin(),vec.end()),vec.end());

    for (int i = 1; i <= n; i ++) {
        a[i] = lower_bound(vec.begin(),vec.end(),a[i]) - vec.begin() + 1;
    }

    for (int i = 1; i < n; i++)
    {
        int q, w;
        scanf("%d%d", &q, &w);
        if (i == 1)
        {
            puts("0");
            pr[w] = q;
            a[q] = a[w];
            continue;
        }
        conquer(q);
        upd(q, a[w]);
        pr[w] = q;
    }
}

Compilation message

construction.cpp: In function 'void conquer(int)':
construction.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < dq.size(); i++)
                     ~~^~~~~~~~~~~
construction.cpp: At global scope:
construction.cpp:64:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
construction.cpp: In function 'int main()':
construction.cpp:68:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
construction.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
         ~~~~~^~~~~~~~~~~~~
construction.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &q, &w);
         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 3 ms 468 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 5 ms 564 KB Output is correct
10 Correct 6 ms 564 KB Output is correct
11 Correct 4 ms 564 KB Output is correct
12 Correct 4 ms 564 KB Output is correct
13 Correct 5 ms 700 KB Output is correct
14 Correct 4 ms 700 KB Output is correct
15 Correct 3 ms 700 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 3 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 4 ms 748 KB Output is correct
21 Correct 6 ms 748 KB Output is correct
22 Correct 2 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 7 ms 748 KB Output is correct
27 Correct 4 ms 748 KB Output is correct
28 Correct 4 ms 748 KB Output is correct
29 Correct 5 ms 748 KB Output is correct
30 Correct 3 ms 748 KB Output is correct
31 Correct 2 ms 748 KB Output is correct
32 Correct 4 ms 748 KB Output is correct
33 Correct 4 ms 748 KB Output is correct
34 Correct 4 ms 748 KB Output is correct
35 Correct 3 ms 748 KB Output is correct
36 Correct 3 ms 748 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 4 ms 748 KB Output is correct
39 Correct 3 ms 748 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 3 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 748 KB Output is correct
44 Correct 3 ms 748 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 3 ms 468 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 5 ms 564 KB Output is correct
10 Correct 6 ms 564 KB Output is correct
11 Correct 4 ms 564 KB Output is correct
12 Correct 4 ms 564 KB Output is correct
13 Correct 5 ms 700 KB Output is correct
14 Correct 4 ms 700 KB Output is correct
15 Correct 3 ms 700 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 3 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 4 ms 748 KB Output is correct
21 Correct 6 ms 748 KB Output is correct
22 Correct 2 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 7 ms 748 KB Output is correct
27 Correct 4 ms 748 KB Output is correct
28 Correct 4 ms 748 KB Output is correct
29 Correct 5 ms 748 KB Output is correct
30 Correct 3 ms 748 KB Output is correct
31 Correct 2 ms 748 KB Output is correct
32 Correct 4 ms 748 KB Output is correct
33 Correct 4 ms 748 KB Output is correct
34 Correct 4 ms 748 KB Output is correct
35 Correct 3 ms 748 KB Output is correct
36 Correct 3 ms 748 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 4 ms 748 KB Output is correct
39 Correct 3 ms 748 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 3 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 748 KB Output is correct
44 Correct 3 ms 748 KB Output is correct
45 Correct 3 ms 748 KB Output is correct
46 Correct 7 ms 748 KB Output is correct
47 Correct 9 ms 748 KB Output is correct
48 Correct 7 ms 748 KB Output is correct
49 Correct 207 ms 748 KB Output is correct
50 Correct 240 ms 856 KB Output is correct
51 Correct 225 ms 856 KB Output is correct
52 Correct 109 ms 856 KB Output is correct
53 Correct 106 ms 856 KB Output is correct
54 Correct 109 ms 856 KB Output is correct
55 Correct 117 ms 856 KB Output is correct
56 Correct 143 ms 856 KB Output is correct
57 Correct 7 ms 856 KB Output is correct
58 Correct 7 ms 856 KB Output is correct
59 Correct 8 ms 856 KB Output is correct
60 Correct 7 ms 856 KB Output is correct
61 Correct 108 ms 856 KB Output is correct
62 Correct 110 ms 856 KB Output is correct
63 Correct 111 ms 856 KB Output is correct
64 Correct 6 ms 856 KB Output is correct
65 Correct 8 ms 856 KB Output is correct
66 Correct 7 ms 856 KB Output is correct
67 Correct 7 ms 856 KB Output is correct
68 Correct 228 ms 856 KB Output is correct
69 Correct 117 ms 888 KB Output is correct
70 Correct 111 ms 888 KB Output is correct
71 Correct 121 ms 888 KB Output is correct
72 Correct 7 ms 888 KB Output is correct
73 Correct 10 ms 888 KB Output is correct
74 Correct 111 ms 888 KB Output is correct
75 Correct 60 ms 888 KB Output is correct
76 Correct 44 ms 888 KB Output is correct
77 Correct 36 ms 888 KB Output is correct
78 Correct 60 ms 888 KB Output is correct
79 Correct 45 ms 956 KB Output is correct
80 Correct 34 ms 956 KB Output is correct
81 Correct 59 ms 956 KB Output is correct
82 Correct 41 ms 956 KB Output is correct
83 Correct 33 ms 956 KB Output is correct
84 Correct 61 ms 956 KB Output is correct
85 Correct 41 ms 956 KB Output is correct
86 Correct 33 ms 956 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 3 ms 468 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 5 ms 564 KB Output is correct
10 Correct 6 ms 564 KB Output is correct
11 Correct 4 ms 564 KB Output is correct
12 Correct 4 ms 564 KB Output is correct
13 Correct 5 ms 700 KB Output is correct
14 Correct 4 ms 700 KB Output is correct
15 Correct 3 ms 700 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 3 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 4 ms 748 KB Output is correct
21 Correct 6 ms 748 KB Output is correct
22 Correct 2 ms 748 KB Output is correct
23 Correct 3 ms 748 KB Output is correct
24 Correct 3 ms 748 KB Output is correct
25 Correct 3 ms 748 KB Output is correct
26 Correct 7 ms 748 KB Output is correct
27 Correct 4 ms 748 KB Output is correct
28 Correct 4 ms 748 KB Output is correct
29 Correct 5 ms 748 KB Output is correct
30 Correct 3 ms 748 KB Output is correct
31 Correct 2 ms 748 KB Output is correct
32 Correct 4 ms 748 KB Output is correct
33 Correct 4 ms 748 KB Output is correct
34 Correct 4 ms 748 KB Output is correct
35 Correct 3 ms 748 KB Output is correct
36 Correct 3 ms 748 KB Output is correct
37 Correct 3 ms 748 KB Output is correct
38 Correct 4 ms 748 KB Output is correct
39 Correct 3 ms 748 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 3 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 748 KB Output is correct
44 Correct 3 ms 748 KB Output is correct
45 Correct 3 ms 748 KB Output is correct
46 Correct 7 ms 748 KB Output is correct
47 Correct 9 ms 748 KB Output is correct
48 Correct 7 ms 748 KB Output is correct
49 Correct 207 ms 748 KB Output is correct
50 Correct 240 ms 856 KB Output is correct
51 Correct 225 ms 856 KB Output is correct
52 Correct 109 ms 856 KB Output is correct
53 Correct 106 ms 856 KB Output is correct
54 Correct 109 ms 856 KB Output is correct
55 Correct 117 ms 856 KB Output is correct
56 Correct 143 ms 856 KB Output is correct
57 Correct 7 ms 856 KB Output is correct
58 Correct 7 ms 856 KB Output is correct
59 Correct 8 ms 856 KB Output is correct
60 Correct 7 ms 856 KB Output is correct
61 Correct 108 ms 856 KB Output is correct
62 Correct 110 ms 856 KB Output is correct
63 Correct 111 ms 856 KB Output is correct
64 Correct 6 ms 856 KB Output is correct
65 Correct 8 ms 856 KB Output is correct
66 Correct 7 ms 856 KB Output is correct
67 Correct 7 ms 856 KB Output is correct
68 Correct 228 ms 856 KB Output is correct
69 Correct 117 ms 888 KB Output is correct
70 Correct 111 ms 888 KB Output is correct
71 Correct 121 ms 888 KB Output is correct
72 Correct 7 ms 888 KB Output is correct
73 Correct 10 ms 888 KB Output is correct
74 Correct 111 ms 888 KB Output is correct
75 Correct 60 ms 888 KB Output is correct
76 Correct 44 ms 888 KB Output is correct
77 Correct 36 ms 888 KB Output is correct
78 Correct 60 ms 888 KB Output is correct
79 Correct 45 ms 956 KB Output is correct
80 Correct 34 ms 956 KB Output is correct
81 Correct 59 ms 956 KB Output is correct
82 Correct 41 ms 956 KB Output is correct
83 Correct 33 ms 956 KB Output is correct
84 Correct 61 ms 956 KB Output is correct
85 Correct 41 ms 956 KB Output is correct
86 Correct 33 ms 956 KB Output is correct
87 Execution timed out 3 ms 956 KB Time limit exceeded (wall clock)
88 Halted 0 ms 0 KB -