oj.uz

Submission #47388

# Submission time Handle Problem Language Result Execution time Memory
47388 2018-05-02T10:14:32 Z mirbek01 Construction of Highway (JOI18_construction) C++17
16 / 100
 1000 ms 2720 KB 
# include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 2;

int n, c[N], p[N], fen[N];
vector <int> vec;

void update(int pos, int val){
      for(; pos <= n; pos |= pos + 1)
            fen[pos] += val;
}

int get(int pos){
      int res = 0;
      for(; pos > 0; pos = (pos & (pos + 1)) - 1)
            res += fen[pos];
      return res;
}

int main(){
      scanf("%d", &n);

      for(int i = 1; i <= n; i ++){
            scanf("%d", &c[i]);
            vec.emplace_back(c[i]);
      }

      sort(vec.begin(), vec.end());
      vec.resize(unique(vec.begin(), vec.end()) - vec.begin());

      for(int i = 1; i <= n; i ++){
            c[i] = lower_bound(vec.begin(), vec.end(), c[i]) - vec.begin() + 1;
      }
      int cc = 0;
      for(int i = 1; i < n; i ++){
            int a, b;
            scanf("%d %d", &a, &b);
            int v = a, ans = 0;
            set <int> st;
            while(v){
                  update(c[v], 1);
                  ans += get(c[v] - 1);
                  st.insert(c[v]);
                  v = p[v];
            }

            cc += st.size();

            v = a;
            while(v){
                  update(c[v], -1);
                  c[v] = c[b];
                  v = p[v];
            }
            printf("%d\n", ans);
            p[b] = a;
      }

      int lg = ceil(log2(n));
      if(cc > n * lg) assert(0);
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:23:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &n);
       ~~~~~^~~~~~~~~~
construction.cpp:26:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &c[i]);
             ~~~~~^~~~~~~~~~~~~
construction.cpp:39:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d", &a, &b);
             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 520 KB Output is correct
7 Correct 2 ms 520 KB Output is correct
8 Correct 4 ms 520 KB Output is correct
9 Correct 4 ms 520 KB Output is correct
10 Correct 4 ms 608 KB Output is correct
11 Correct 3 ms 608 KB Output is correct
12 Correct 3 ms 608 KB Output is correct
13 Correct 3 ms 608 KB Output is correct
14 Correct 3 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 616 KB Output is correct
17 Correct 3 ms 616 KB Output is correct
18 Correct 3 ms 616 KB Output is correct
19 Correct 3 ms 616 KB Output is correct
20 Correct 5 ms 616 KB Output is correct
21 Correct 3 ms 616 KB Output is correct
22 Correct 2 ms 616 KB Output is correct
23 Correct 3 ms 616 KB Output is correct
24 Correct 3 ms 616 KB Output is correct
25 Correct 2 ms 616 KB Output is correct
26 Correct 5 ms 616 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 5 ms 620 KB Output is correct
29 Correct 4 ms 620 KB Output is correct
30 Correct 3 ms 636 KB Output is correct
31 Correct 2 ms 636 KB Output is correct
32 Correct 3 ms 636 KB Output is correct
33 Correct 3 ms 748 KB Output is correct
34 Correct 3 ms 748 KB Output is correct
35 Correct 2 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 4 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 752 KB Output is correct
44 Correct 3 ms 752 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 520 KB Output is correct
7 Correct 2 ms 520 KB Output is correct
8 Correct 4 ms 520 KB Output is correct
9 Correct 4 ms 520 KB Output is correct
10 Correct 4 ms 608 KB Output is correct
11 Correct 3 ms 608 KB Output is correct
12 Correct 3 ms 608 KB Output is correct
13 Correct 3 ms 608 KB Output is correct
14 Correct 3 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 616 KB Output is correct
17 Correct 3 ms 616 KB Output is correct
18 Correct 3 ms 616 KB Output is correct
19 Correct 3 ms 616 KB Output is correct
20 Correct 5 ms 616 KB Output is correct
21 Correct 3 ms 616 KB Output is correct
22 Correct 2 ms 616 KB Output is correct
23 Correct 3 ms 616 KB Output is correct
24 Correct 3 ms 616 KB Output is correct
25 Correct 2 ms 616 KB Output is correct
26 Correct 5 ms 616 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 5 ms 620 KB Output is correct
29 Correct 4 ms 620 KB Output is correct
30 Correct 3 ms 636 KB Output is correct
31 Correct 2 ms 636 KB Output is correct
32 Correct 3 ms 636 KB Output is correct
33 Correct 3 ms 748 KB Output is correct
34 Correct 3 ms 748 KB Output is correct
35 Correct 2 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 4 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 752 KB Output is correct
44 Correct 3 ms 752 KB Output is correct
45 Correct 3 ms 752 KB Output is correct
46 Correct 9 ms 752 KB Output is correct
47 Correct 9 ms 752 KB Output is correct
48 Correct 7 ms 752 KB Output is correct
49 Correct 197 ms 876 KB Output is correct
50 Correct 192 ms 876 KB Output is correct
51 Correct 195 ms 876 KB Output is correct
52 Correct 104 ms 876 KB Output is correct
53 Correct 121 ms 876 KB Output is correct
54 Correct 100 ms 876 KB Output is correct
55 Correct 124 ms 896 KB Output is correct
56 Correct 100 ms 896 KB Output is correct
57 Correct 9 ms 896 KB Output is correct
58 Correct 11 ms 896 KB Output is correct
59 Correct 10 ms 896 KB Output is correct
60 Correct 11 ms 896 KB Output is correct
61 Correct 101 ms 896 KB Output is correct
62 Correct 101 ms 896 KB Output is correct
63 Correct 99 ms 896 KB Output is correct
64 Correct 6 ms 896 KB Output is correct
65 Correct 10 ms 896 KB Output is correct
66 Correct 9 ms 896 KB Output is correct
67 Correct 8 ms 896 KB Output is correct
68 Correct 256 ms 896 KB Output is correct
69 Correct 99 ms 896 KB Output is correct
70 Correct 123 ms 896 KB Output is correct
71 Correct 133 ms 896 KB Output is correct
72 Correct 8 ms 896 KB Output is correct
73 Correct 10 ms 896 KB Output is correct
74 Correct 122 ms 896 KB Output is correct
75 Correct 90 ms 896 KB Output is correct
76 Correct 37 ms 896 KB Output is correct
77 Correct 29 ms 896 KB Output is correct
78 Correct 95 ms 896 KB Output is correct
79 Correct 45 ms 896 KB Output is correct
80 Correct 35 ms 896 KB Output is correct
81 Correct 55 ms 896 KB Output is correct
82 Correct 38 ms 896 KB Output is correct
83 Correct 30 ms 896 KB Output is correct
84 Correct 63 ms 896 KB Output is correct
85 Correct 44 ms 896 KB Output is correct
86 Correct 35 ms 896 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 520 KB Output is correct
7 Correct 2 ms 520 KB Output is correct
8 Correct 4 ms 520 KB Output is correct
9 Correct 4 ms 520 KB Output is correct
10 Correct 4 ms 608 KB Output is correct
11 Correct 3 ms 608 KB Output is correct
12 Correct 3 ms 608 KB Output is correct
13 Correct 3 ms 608 KB Output is correct
14 Correct 3 ms 616 KB Output is correct
15 Correct 2 ms 616 KB Output is correct
16 Correct 3 ms 616 KB Output is correct
17 Correct 3 ms 616 KB Output is correct
18 Correct 3 ms 616 KB Output is correct
19 Correct 3 ms 616 KB Output is correct
20 Correct 5 ms 616 KB Output is correct
21 Correct 3 ms 616 KB Output is correct
22 Correct 2 ms 616 KB Output is correct
23 Correct 3 ms 616 KB Output is correct
24 Correct 3 ms 616 KB Output is correct
25 Correct 2 ms 616 KB Output is correct
26 Correct 5 ms 616 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 5 ms 620 KB Output is correct
29 Correct 4 ms 620 KB Output is correct
30 Correct 3 ms 636 KB Output is correct
31 Correct 2 ms 636 KB Output is correct
32 Correct 3 ms 636 KB Output is correct
33 Correct 3 ms 748 KB Output is correct
34 Correct 3 ms 748 KB Output is correct
35 Correct 2 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 4 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 3 ms 752 KB Output is correct
44 Correct 3 ms 752 KB Output is correct
45 Correct 3 ms 752 KB Output is correct
46 Correct 9 ms 752 KB Output is correct
47 Correct 9 ms 752 KB Output is correct
48 Correct 7 ms 752 KB Output is correct
49 Correct 197 ms 876 KB Output is correct
50 Correct 192 ms 876 KB Output is correct
51 Correct 195 ms 876 KB Output is correct
52 Correct 104 ms 876 KB Output is correct
53 Correct 121 ms 876 KB Output is correct
54 Correct 100 ms 876 KB Output is correct
55 Correct 124 ms 896 KB Output is correct
56 Correct 100 ms 896 KB Output is correct
57 Correct 9 ms 896 KB Output is correct
58 Correct 11 ms 896 KB Output is correct
59 Correct 10 ms 896 KB Output is correct
60 Correct 11 ms 896 KB Output is correct
61 Correct 101 ms 896 KB Output is correct
62 Correct 101 ms 896 KB Output is correct
63 Correct 99 ms 896 KB Output is correct
64 Correct 6 ms 896 KB Output is correct
65 Correct 10 ms 896 KB Output is correct
66 Correct 9 ms 896 KB Output is correct
67 Correct 8 ms 896 KB Output is correct
68 Correct 256 ms 896 KB Output is correct
69 Correct 99 ms 896 KB Output is correct
70 Correct 123 ms 896 KB Output is correct
71 Correct 133 ms 896 KB Output is correct
72 Correct 8 ms 896 KB Output is correct
73 Correct 10 ms 896 KB Output is correct
74 Correct 122 ms 896 KB Output is correct
75 Correct 90 ms 896 KB Output is correct
76 Correct 37 ms 896 KB Output is correct
77 Correct 29 ms 896 KB Output is correct
78 Correct 95 ms 896 KB Output is correct
79 Correct 45 ms 896 KB Output is correct
80 Correct 35 ms 896 KB Output is correct
81 Correct 55 ms 896 KB Output is correct
82 Correct 38 ms 896 KB Output is correct
83 Correct 30 ms 896 KB Output is correct
84 Correct 63 ms 896 KB Output is correct
85 Correct 44 ms 896 KB Output is correct
86 Correct 35 ms 896 KB Output is correct
87 Correct 19 ms 896 KB Output is correct
88 Correct 57 ms 1344 KB Output is correct
89 Correct 253 ms 2644 KB Output is correct
90 Correct 249 ms 2644 KB Output is correct
91 Correct 246 ms 2720 KB Output is correct
92 Execution timed out 1079 ms 2720 KB Time limit exceeded
93 Halted 0 ms 0 KB -