Submission #47378

# Submission time Handle Problem Language Result Execution time Memory
47378 2018-05-02T06:32:28 Z Just_Solve_The_Problem Construction of Highway (JOI18_construction) C++11
16 / 100
1000 ms 62024 KB
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define eb emplace_back
#define ll long long
#define pii pair < int, int >
#define fr first
#define sc second
#define mk make_pair
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()
#define ok puts("ok");
#define whatis(x) cerr << #x << " = " << x << endl;
#define pause system("pause");
#define random rand() ^ (rand() << 5)

const int N = (int)1e5 + 7;
const int inf = (int)1e9 + 7;

struct fenwick {
  int tree[N];
  fenwick() {
    memset(tree, 0, sizeof tree);
  }
  void upd(int pos, int val) {
    for (; pos < N; pos += pos & -pos) {
      tree[pos] += val;
    }
  }
  int get(int r) {
    int res = 0;
    for (; r > 0; r -= r & -r) {
      res += tree[r];
    }
    return res;
  }
  int get(int l, int r) {
    return get(r) - get(l - 1);
  }
}tr;

int n;
int c[N], b[N];
pii ar[N];
int pr[N];
vector < int > gr[N];
vector < int > vv[N];

void dfs(int v) {
  for (int to : gr[v]) {
    vv[to] = vv[v];
    vv[to].pb(v);
    dfs(to);
  }
}

main() {
  scanf("%d", &n);
  for (int i = 1; i <= n; i++) {
    scanf("%d", &c[i]);
    b[i] = c[i];
  }
  sort(b + 1, b + n + 1);
  int m = unique(b + 1, b + n + 1) - b - 1;
  for (int i = 1; i <= n; i++) {
    c[i] = lower_bound(b + 1, b + m + 1, c[i]) - b;
  }
  for (int i = 1; i < n; i++) {
    int u, v;
    scanf("%d %d", &u, &v);
    gr[u].pb(v);
    ar[i] = mk(u, v);
  }
  dfs(1);
  for (int i = 1; i < n; i++) {
    int ans = 0;
    tr = fenwick();
    for (int j = sz(vv[ar[i].sc]) - 1; j >= 0; j--) {
      int val = vv[ar[i].sc][j];
      ans += tr.get(c[val] - 1);
      tr.upd(c[val], 1);
      c[val] = c[ar[i].sc];
    }

    printf("%d\n", ans);
  }
}

Compilation message

construction.cpp:59:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
construction.cpp: In function 'int main()':
construction.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
construction.cpp:62:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &c[i]);
     ~~~~~^~~~~~~~~~~~~
construction.cpp:72:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &u, &v);
     ~~~~~^~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5880 KB Output is correct
2 Correct 7 ms 5880 KB Output is correct
3 Correct 10 ms 5920 KB Output is correct
4 Correct 19 ms 6068 KB Output is correct
5 Correct 27 ms 6108 KB Output is correct
6 Correct 28 ms 6352 KB Output is correct
7 Correct 27 ms 6352 KB Output is correct
8 Correct 34 ms 7372 KB Output is correct
9 Correct 34 ms 7400 KB Output is correct
10 Correct 31 ms 7536 KB Output is correct
11 Correct 31 ms 7536 KB Output is correct
12 Correct 29 ms 7536 KB Output is correct
13 Correct 28 ms 7536 KB Output is correct
14 Correct 30 ms 7536 KB Output is correct
15 Correct 26 ms 7536 KB Output is correct
16 Correct 27 ms 7536 KB Output is correct
17 Correct 27 ms 7536 KB Output is correct
18 Correct 27 ms 7536 KB Output is correct
19 Correct 28 ms 7536 KB Output is correct
20 Correct 35 ms 7536 KB Output is correct
21 Correct 29 ms 7536 KB Output is correct
22 Correct 27 ms 7536 KB Output is correct
23 Correct 26 ms 7536 KB Output is correct
24 Correct 26 ms 7536 KB Output is correct
25 Correct 26 ms 7536 KB Output is correct
26 Correct 34 ms 7772 KB Output is correct
27 Correct 31 ms 7772 KB Output is correct
28 Correct 46 ms 7772 KB Output is correct
29 Correct 28 ms 7772 KB Output is correct
30 Correct 27 ms 7772 KB Output is correct
31 Correct 27 ms 7772 KB Output is correct
32 Correct 28 ms 7772 KB Output is correct
33 Correct 28 ms 7772 KB Output is correct
34 Correct 28 ms 7772 KB Output is correct
35 Correct 27 ms 7772 KB Output is correct
36 Correct 28 ms 7772 KB Output is correct
37 Correct 29 ms 7772 KB Output is correct
38 Correct 27 ms 7772 KB Output is correct
39 Correct 27 ms 7772 KB Output is correct
40 Correct 29 ms 7772 KB Output is correct
41 Correct 27 ms 7772 KB Output is correct
42 Correct 27 ms 7772 KB Output is correct
43 Correct 29 ms 7772 KB Output is correct
44 Correct 27 ms 7772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5880 KB Output is correct
2 Correct 7 ms 5880 KB Output is correct
3 Correct 10 ms 5920 KB Output is correct
4 Correct 19 ms 6068 KB Output is correct
5 Correct 27 ms 6108 KB Output is correct
6 Correct 28 ms 6352 KB Output is correct
7 Correct 27 ms 6352 KB Output is correct
8 Correct 34 ms 7372 KB Output is correct
9 Correct 34 ms 7400 KB Output is correct
10 Correct 31 ms 7536 KB Output is correct
11 Correct 31 ms 7536 KB Output is correct
12 Correct 29 ms 7536 KB Output is correct
13 Correct 28 ms 7536 KB Output is correct
14 Correct 30 ms 7536 KB Output is correct
15 Correct 26 ms 7536 KB Output is correct
16 Correct 27 ms 7536 KB Output is correct
17 Correct 27 ms 7536 KB Output is correct
18 Correct 27 ms 7536 KB Output is correct
19 Correct 28 ms 7536 KB Output is correct
20 Correct 35 ms 7536 KB Output is correct
21 Correct 29 ms 7536 KB Output is correct
22 Correct 27 ms 7536 KB Output is correct
23 Correct 26 ms 7536 KB Output is correct
24 Correct 26 ms 7536 KB Output is correct
25 Correct 26 ms 7536 KB Output is correct
26 Correct 34 ms 7772 KB Output is correct
27 Correct 31 ms 7772 KB Output is correct
28 Correct 46 ms 7772 KB Output is correct
29 Correct 28 ms 7772 KB Output is correct
30 Correct 27 ms 7772 KB Output is correct
31 Correct 27 ms 7772 KB Output is correct
32 Correct 28 ms 7772 KB Output is correct
33 Correct 28 ms 7772 KB Output is correct
34 Correct 28 ms 7772 KB Output is correct
35 Correct 27 ms 7772 KB Output is correct
36 Correct 28 ms 7772 KB Output is correct
37 Correct 29 ms 7772 KB Output is correct
38 Correct 27 ms 7772 KB Output is correct
39 Correct 27 ms 7772 KB Output is correct
40 Correct 29 ms 7772 KB Output is correct
41 Correct 27 ms 7772 KB Output is correct
42 Correct 27 ms 7772 KB Output is correct
43 Correct 29 ms 7772 KB Output is correct
44 Correct 27 ms 7772 KB Output is correct
45 Correct 46 ms 7772 KB Output is correct
46 Correct 170 ms 7772 KB Output is correct
47 Correct 170 ms 7772 KB Output is correct
48 Correct 185 ms 7772 KB Output is correct
49 Correct 410 ms 60688 KB Output is correct
50 Correct 405 ms 60764 KB Output is correct
51 Correct 413 ms 60840 KB Output is correct
52 Correct 294 ms 60840 KB Output is correct
53 Correct 285 ms 60840 KB Output is correct
54 Correct 323 ms 60840 KB Output is correct
55 Correct 299 ms 60840 KB Output is correct
56 Correct 320 ms 60840 KB Output is correct
57 Correct 170 ms 60840 KB Output is correct
58 Correct 185 ms 60840 KB Output is correct
59 Correct 170 ms 60840 KB Output is correct
60 Correct 171 ms 60840 KB Output is correct
61 Correct 301 ms 60840 KB Output is correct
62 Correct 287 ms 60840 KB Output is correct
63 Correct 299 ms 60840 KB Output is correct
64 Correct 170 ms 60840 KB Output is correct
65 Correct 170 ms 60840 KB Output is correct
66 Correct 173 ms 60840 KB Output is correct
67 Correct 170 ms 60840 KB Output is correct
68 Correct 456 ms 62024 KB Output is correct
69 Correct 294 ms 62024 KB Output is correct
70 Correct 302 ms 62024 KB Output is correct
71 Correct 304 ms 62024 KB Output is correct
72 Correct 172 ms 62024 KB Output is correct
73 Correct 176 ms 62024 KB Output is correct
74 Correct 301 ms 62024 KB Output is correct
75 Correct 232 ms 62024 KB Output is correct
76 Correct 221 ms 62024 KB Output is correct
77 Correct 200 ms 62024 KB Output is correct
78 Correct 237 ms 62024 KB Output is correct
79 Correct 229 ms 62024 KB Output is correct
80 Correct 219 ms 62024 KB Output is correct
81 Correct 234 ms 62024 KB Output is correct
82 Correct 218 ms 62024 KB Output is correct
83 Correct 201 ms 62024 KB Output is correct
84 Correct 254 ms 62024 KB Output is correct
85 Correct 240 ms 62024 KB Output is correct
86 Correct 205 ms 62024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5880 KB Output is correct
2 Correct 7 ms 5880 KB Output is correct
3 Correct 10 ms 5920 KB Output is correct
4 Correct 19 ms 6068 KB Output is correct
5 Correct 27 ms 6108 KB Output is correct
6 Correct 28 ms 6352 KB Output is correct
7 Correct 27 ms 6352 KB Output is correct
8 Correct 34 ms 7372 KB Output is correct
9 Correct 34 ms 7400 KB Output is correct
10 Correct 31 ms 7536 KB Output is correct
11 Correct 31 ms 7536 KB Output is correct
12 Correct 29 ms 7536 KB Output is correct
13 Correct 28 ms 7536 KB Output is correct
14 Correct 30 ms 7536 KB Output is correct
15 Correct 26 ms 7536 KB Output is correct
16 Correct 27 ms 7536 KB Output is correct
17 Correct 27 ms 7536 KB Output is correct
18 Correct 27 ms 7536 KB Output is correct
19 Correct 28 ms 7536 KB Output is correct
20 Correct 35 ms 7536 KB Output is correct
21 Correct 29 ms 7536 KB Output is correct
22 Correct 27 ms 7536 KB Output is correct
23 Correct 26 ms 7536 KB Output is correct
24 Correct 26 ms 7536 KB Output is correct
25 Correct 26 ms 7536 KB Output is correct
26 Correct 34 ms 7772 KB Output is correct
27 Correct 31 ms 7772 KB Output is correct
28 Correct 46 ms 7772 KB Output is correct
29 Correct 28 ms 7772 KB Output is correct
30 Correct 27 ms 7772 KB Output is correct
31 Correct 27 ms 7772 KB Output is correct
32 Correct 28 ms 7772 KB Output is correct
33 Correct 28 ms 7772 KB Output is correct
34 Correct 28 ms 7772 KB Output is correct
35 Correct 27 ms 7772 KB Output is correct
36 Correct 28 ms 7772 KB Output is correct
37 Correct 29 ms 7772 KB Output is correct
38 Correct 27 ms 7772 KB Output is correct
39 Correct 27 ms 7772 KB Output is correct
40 Correct 29 ms 7772 KB Output is correct
41 Correct 27 ms 7772 KB Output is correct
42 Correct 27 ms 7772 KB Output is correct
43 Correct 29 ms 7772 KB Output is correct
44 Correct 27 ms 7772 KB Output is correct
45 Correct 46 ms 7772 KB Output is correct
46 Correct 170 ms 7772 KB Output is correct
47 Correct 170 ms 7772 KB Output is correct
48 Correct 185 ms 7772 KB Output is correct
49 Correct 410 ms 60688 KB Output is correct
50 Correct 405 ms 60764 KB Output is correct
51 Correct 413 ms 60840 KB Output is correct
52 Correct 294 ms 60840 KB Output is correct
53 Correct 285 ms 60840 KB Output is correct
54 Correct 323 ms 60840 KB Output is correct
55 Correct 299 ms 60840 KB Output is correct
56 Correct 320 ms 60840 KB Output is correct
57 Correct 170 ms 60840 KB Output is correct
58 Correct 185 ms 60840 KB Output is correct
59 Correct 170 ms 60840 KB Output is correct
60 Correct 171 ms 60840 KB Output is correct
61 Correct 301 ms 60840 KB Output is correct
62 Correct 287 ms 60840 KB Output is correct
63 Correct 299 ms 60840 KB Output is correct
64 Correct 170 ms 60840 KB Output is correct
65 Correct 170 ms 60840 KB Output is correct
66 Correct 173 ms 60840 KB Output is correct
67 Correct 170 ms 60840 KB Output is correct
68 Correct 456 ms 62024 KB Output is correct
69 Correct 294 ms 62024 KB Output is correct
70 Correct 302 ms 62024 KB Output is correct
71 Correct 304 ms 62024 KB Output is correct
72 Correct 172 ms 62024 KB Output is correct
73 Correct 176 ms 62024 KB Output is correct
74 Correct 301 ms 62024 KB Output is correct
75 Correct 232 ms 62024 KB Output is correct
76 Correct 221 ms 62024 KB Output is correct
77 Correct 200 ms 62024 KB Output is correct
78 Correct 237 ms 62024 KB Output is correct
79 Correct 229 ms 62024 KB Output is correct
80 Correct 219 ms 62024 KB Output is correct
81 Correct 234 ms 62024 KB Output is correct
82 Correct 218 ms 62024 KB Output is correct
83 Correct 201 ms 62024 KB Output is correct
84 Correct 254 ms 62024 KB Output is correct
85 Correct 240 ms 62024 KB Output is correct
86 Correct 205 ms 62024 KB Output is correct
87 Correct 419 ms 62024 KB Output is correct
88 Execution timed out 1077 ms 62024 KB Time limit exceeded
89 Halted 0 ms 0 KB -