oj.uz

Submission #47381

# Submission time Handle Problem Language Result Execution time Memory
47381 2018-05-02T08:40:25 Z Talant Construction of Highway (JOI18_construction) C++17
16 / 100
 271 ms 972 KB 
#include <bits/stdc++.h>

#define mk make_pair
#define sc second
#define fr first
#define pb emplace_back
#define all(s) s.begin(), s.end()
#define sz(s) ( (int)s.size() )
#define int long long

using namespace std;

const int inf = (int)1e9 + 7;
const int N = (int)4200;

int n;
int c[N];
int a,b;
int pr[N];
int t[N];

vector <int> vec;

void upd (int x) {
      for (; x < N; x += (x & -x))
            t[x] ++;
}
int get (int x) {
      int res = 0;
      for (; x > 0; x -= (x & -x)) {
            res += t[x];
      }
      return res;
}
main () {
      cin >> n;

      for (int i = 1; i <= n; i ++) {
            cin >> c[i];
            vec.pb(c[i]);
      }

      sort (all(vec));
      vec.erase (unique(all(vec)),vec.end());

      for (int i = 1; i <= n; i ++)
            c[i] = lower_bound(all(vec),c[i]) - vec.begin() + 2;

      int q = n - 1;

      pr[1] = -1;

      while (q --) {
            scanf ("%lld%lld", &a,&b);

            int ans = 0;

            pr[b] = a;

            deque <int> v;

            while (a != -1) {
                  v.push_front(a);
                  a = pr[a];
            }
            for (int i = v.size() - 1; i >= 0; i --) {
                  ans += get(c[v[i]] - 1);
                  upd(c[v[i]]);
            }

            for (int i = 0; i < v.size(); i ++)
                  c[v[i]] = c[b];

            printf("%lld\n", ans);
            memset(t,0,sizeof(t));
      }
}

Compilation message

construction.cpp:35:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
construction.cpp: In function 'int main()':
construction.cpp:71:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i < v.size(); i ++)
                             ~~^~~~~~~~~~
construction.cpp:54:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf ("%lld%lld", &a,&b);
             ~~~~~~^~~~~~~~~~~~~~~~~~~

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 376 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 3 ms 560 KB Output is correct
5 Correct 3 ms 672 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 7 ms 692 KB Output is correct
9 Correct 7 ms 692 KB Output is correct
10 Correct 8 ms 692 KB Output is correct
11 Correct 5 ms 692 KB Output is correct
12 Correct 7 ms 692 KB Output is correct
13 Correct 6 ms 692 KB Output is correct
14 Correct 6 ms 692 KB Output is correct
15 Correct 3 ms 692 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 17 ms 692 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 5 ms 692 KB Output is correct
20 Correct 5 ms 692 KB Output is correct
21 Correct 5 ms 720 KB Output is correct
22 Correct 4 ms 720 KB Output is correct
23 Correct 3 ms 720 KB Output is correct
24 Correct 3 ms 720 KB Output is correct
25 Correct 4 ms 720 KB Output is correct
26 Correct 7 ms 720 KB Output is correct
27 Correct 7 ms 720 KB Output is correct
28 Correct 7 ms 720 KB Output is correct
29 Correct 7 ms 720 KB Output is correct
30 Correct 3 ms 720 KB Output is correct
31 Correct 3 ms 720 KB Output is correct
32 Correct 6 ms 720 KB Output is correct
33 Correct 4 ms 720 KB Output is correct
34 Correct 5 ms 720 KB Output is correct
35 Correct 4 ms 720 KB Output is correct
36 Correct 5 ms 720 KB Output is correct
37 Correct 3 ms 720 KB Output is correct
38 Correct 4 ms 720 KB Output is correct
39 Correct 4 ms 720 KB Output is correct
40 Correct 4 ms 720 KB Output is correct
41 Correct 4 ms 720 KB Output is correct
42 Correct 4 ms 720 KB Output is correct
43 Correct 4 ms 720 KB Output is correct
44 Correct 4 ms 720 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 376 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 3 ms 560 KB Output is correct
5 Correct 3 ms 672 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 7 ms 692 KB Output is correct
9 Correct 7 ms 692 KB Output is correct
10 Correct 8 ms 692 KB Output is correct
11 Correct 5 ms 692 KB Output is correct
12 Correct 7 ms 692 KB Output is correct
13 Correct 6 ms 692 KB Output is correct
14 Correct 6 ms 692 KB Output is correct
15 Correct 3 ms 692 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 17 ms 692 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 5 ms 692 KB Output is correct
20 Correct 5 ms 692 KB Output is correct
21 Correct 5 ms 720 KB Output is correct
22 Correct 4 ms 720 KB Output is correct
23 Correct 3 ms 720 KB Output is correct
24 Correct 3 ms 720 KB Output is correct
25 Correct 4 ms 720 KB Output is correct
26 Correct 7 ms 720 KB Output is correct
27 Correct 7 ms 720 KB Output is correct
28 Correct 7 ms 720 KB Output is correct
29 Correct 7 ms 720 KB Output is correct
30 Correct 3 ms 720 KB Output is correct
31 Correct 3 ms 720 KB Output is correct
32 Correct 6 ms 720 KB Output is correct
33 Correct 4 ms 720 KB Output is correct
34 Correct 5 ms 720 KB Output is correct
35 Correct 4 ms 720 KB Output is correct
36 Correct 5 ms 720 KB Output is correct
37 Correct 3 ms 720 KB Output is correct
38 Correct 4 ms 720 KB Output is correct
39 Correct 4 ms 720 KB Output is correct
40 Correct 4 ms 720 KB Output is correct
41 Correct 4 ms 720 KB Output is correct
42 Correct 4 ms 720 KB Output is correct
43 Correct 4 ms 720 KB Output is correct
44 Correct 4 ms 720 KB Output is correct
45 Correct 5 ms 720 KB Output is correct
46 Correct 16 ms 892 KB Output is correct
47 Correct 13 ms 892 KB Output is correct
48 Correct 15 ms 892 KB Output is correct
49 Correct 259 ms 892 KB Output is correct
50 Correct 259 ms 924 KB Output is correct
51 Correct 253 ms 924 KB Output is correct
52 Correct 138 ms 924 KB Output is correct
53 Correct 143 ms 924 KB Output is correct
54 Correct 131 ms 924 KB Output is correct
55 Correct 131 ms 924 KB Output is correct
56 Correct 136 ms 924 KB Output is correct
57 Correct 24 ms 924 KB Output is correct
58 Correct 12 ms 924 KB Output is correct
59 Correct 12 ms 924 KB Output is correct
60 Correct 13 ms 924 KB Output is correct
61 Correct 137 ms 972 KB Output is correct
62 Correct 131 ms 972 KB Output is correct
63 Correct 128 ms 972 KB Output is correct
64 Correct 11 ms 972 KB Output is correct
65 Correct 12 ms 972 KB Output is correct
66 Correct 12 ms 972 KB Output is correct
67 Correct 12 ms 972 KB Output is correct
68 Correct 271 ms 972 KB Output is correct
69 Correct 133 ms 972 KB Output is correct
70 Correct 144 ms 972 KB Output is correct
71 Correct 143 ms 972 KB Output is correct
72 Correct 12 ms 972 KB Output is correct
73 Correct 13 ms 972 KB Output is correct
74 Correct 145 ms 972 KB Output is correct
75 Correct 74 ms 972 KB Output is correct
76 Correct 55 ms 972 KB Output is correct
77 Correct 44 ms 972 KB Output is correct
78 Correct 79 ms 972 KB Output is correct
79 Correct 57 ms 972 KB Output is correct
80 Correct 46 ms 972 KB Output is correct
81 Correct 76 ms 972 KB Output is correct
82 Correct 56 ms 972 KB Output is correct
83 Correct 47 ms 972 KB Output is correct
84 Correct 82 ms 972 KB Output is correct
85 Correct 60 ms 972 KB Output is correct
86 Correct 46 ms 972 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 376 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 3 ms 560 KB Output is correct
5 Correct 3 ms 672 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 7 ms 692 KB Output is correct
9 Correct 7 ms 692 KB Output is correct
10 Correct 8 ms 692 KB Output is correct
11 Correct 5 ms 692 KB Output is correct
12 Correct 7 ms 692 KB Output is correct
13 Correct 6 ms 692 KB Output is correct
14 Correct 6 ms 692 KB Output is correct
15 Correct 3 ms 692 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 17 ms 692 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 5 ms 692 KB Output is correct
20 Correct 5 ms 692 KB Output is correct
21 Correct 5 ms 720 KB Output is correct
22 Correct 4 ms 720 KB Output is correct
23 Correct 3 ms 720 KB Output is correct
24 Correct 3 ms 720 KB Output is correct
25 Correct 4 ms 720 KB Output is correct
26 Correct 7 ms 720 KB Output is correct
27 Correct 7 ms 720 KB Output is correct
28 Correct 7 ms 720 KB Output is correct
29 Correct 7 ms 720 KB Output is correct
30 Correct 3 ms 720 KB Output is correct
31 Correct 3 ms 720 KB Output is correct
32 Correct 6 ms 720 KB Output is correct
33 Correct 4 ms 720 KB Output is correct
34 Correct 5 ms 720 KB Output is correct
35 Correct 4 ms 720 KB Output is correct
36 Correct 5 ms 720 KB Output is correct
37 Correct 3 ms 720 KB Output is correct
38 Correct 4 ms 720 KB Output is correct
39 Correct 4 ms 720 KB Output is correct
40 Correct 4 ms 720 KB Output is correct
41 Correct 4 ms 720 KB Output is correct
42 Correct 4 ms 720 KB Output is correct
43 Correct 4 ms 720 KB Output is correct
44 Correct 4 ms 720 KB Output is correct
45 Correct 5 ms 720 KB Output is correct
46 Correct 16 ms 892 KB Output is correct
47 Correct 13 ms 892 KB Output is correct
48 Correct 15 ms 892 KB Output is correct
49 Correct 259 ms 892 KB Output is correct
50 Correct 259 ms 924 KB Output is correct
51 Correct 253 ms 924 KB Output is correct
52 Correct 138 ms 924 KB Output is correct
53 Correct 143 ms 924 KB Output is correct
54 Correct 131 ms 924 KB Output is correct
55 Correct 131 ms 924 KB Output is correct
56 Correct 136 ms 924 KB Output is correct
57 Correct 24 ms 924 KB Output is correct
58 Correct 12 ms 924 KB Output is correct
59 Correct 12 ms 924 KB Output is correct
60 Correct 13 ms 924 KB Output is correct
61 Correct 137 ms 972 KB Output is correct
62 Correct 131 ms 972 KB Output is correct
63 Correct 128 ms 972 KB Output is correct
64 Correct 11 ms 972 KB Output is correct
65 Correct 12 ms 972 KB Output is correct
66 Correct 12 ms 972 KB Output is correct
67 Correct 12 ms 972 KB Output is correct
68 Correct 271 ms 972 KB Output is correct
69 Correct 133 ms 972 KB Output is correct
70 Correct 144 ms 972 KB Output is correct
71 Correct 143 ms 972 KB Output is correct
72 Correct 12 ms 972 KB Output is correct
73 Correct 13 ms 972 KB Output is correct
74 Correct 145 ms 972 KB Output is correct
75 Correct 74 ms 972 KB Output is correct
76 Correct 55 ms 972 KB Output is correct
77 Correct 44 ms 972 KB Output is correct
78 Correct 79 ms 972 KB Output is correct
79 Correct 57 ms 972 KB Output is correct
80 Correct 46 ms 972 KB Output is correct
81 Correct 76 ms 972 KB Output is correct
82 Correct 56 ms 972 KB Output is correct
83 Correct 47 ms 972 KB Output is correct
84 Correct 82 ms 972 KB Output is correct
85 Correct 60 ms 972 KB Output is correct
86 Correct 46 ms 972 KB Output is correct
87 Runtime error 4 ms 972 KB Execution killed with signal 11 (could be triggered by violating memory limits)
88 Halted 0 ms 0 KB -