oj.uz

Submission #47383

# Submission time Handle Problem Language Result Execution time Memory
47383 2018-05-02T09:09:02 Z mirbek01 Construction of Highway (JOI18_construction) C++17
16 / 100
 1000 ms 10068 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;
      }

      for(int i = 1; i < n; i ++){
            int a, b;
            scanf("%d %d", &a, &b);
            int v = a, ans = 0;
            while(v){
                  update(c[v], 1);
                  ans += get(c[v] - 1);
                  v = p[v];
            }
            v = a;
            while(v){
                  update(c[v], -1);
                  c[v] = c[b];
                  v = p[v];
            }
            printf("%d\n", ans);
            p[b] = a;
      }
}

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 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 540 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 4 ms 560 KB Output is correct
9 Correct 4 ms 560 KB Output is correct
10 Correct 6 ms 560 KB Output is correct
11 Correct 4 ms 572 KB Output is correct
12 Correct 4 ms 816 KB Output is correct
13 Correct 3 ms 816 KB Output is correct
14 Correct 3 ms 816 KB Output is correct
15 Correct 3 ms 816 KB Output is correct
16 Correct 2 ms 816 KB Output is correct
17 Correct 2 ms 816 KB Output is correct
18 Correct 2 ms 816 KB Output is correct
19 Correct 3 ms 816 KB Output is correct
20 Correct 3 ms 816 KB Output is correct
21 Correct 3 ms 816 KB Output is correct
22 Correct 3 ms 816 KB Output is correct
23 Correct 3 ms 816 KB Output is correct
24 Correct 2 ms 816 KB Output is correct
25 Correct 2 ms 816 KB Output is correct
26 Correct 5 ms 816 KB Output is correct
27 Correct 3 ms 816 KB Output is correct
28 Correct 22 ms 816 KB Output is correct
29 Correct 3 ms 816 KB Output is correct
30 Correct 2 ms 816 KB Output is correct
31 Correct 2 ms 816 KB Output is correct
32 Correct 4 ms 816 KB Output is correct
33 Correct 3 ms 816 KB Output is correct
34 Correct 2 ms 816 KB Output is correct
35 Correct 3 ms 816 KB Output is correct
36 Correct 3 ms 816 KB Output is correct
37 Correct 3 ms 816 KB Output is correct
38 Correct 2 ms 816 KB Output is correct
39 Correct 3 ms 816 KB Output is correct
40 Correct 3 ms 816 KB Output is correct
41 Correct 3 ms 816 KB Output is correct
42 Correct 3 ms 816 KB Output is correct
43 Correct 3 ms 816 KB Output is correct
44 Correct 3 ms 816 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 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 540 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 4 ms 560 KB Output is correct
9 Correct 4 ms 560 KB Output is correct
10 Correct 6 ms 560 KB Output is correct
11 Correct 4 ms 572 KB Output is correct
12 Correct 4 ms 816 KB Output is correct
13 Correct 3 ms 816 KB Output is correct
14 Correct 3 ms 816 KB Output is correct
15 Correct 3 ms 816 KB Output is correct
16 Correct 2 ms 816 KB Output is correct
17 Correct 2 ms 816 KB Output is correct
18 Correct 2 ms 816 KB Output is correct
19 Correct 3 ms 816 KB Output is correct
20 Correct 3 ms 816 KB Output is correct
21 Correct 3 ms 816 KB Output is correct
22 Correct 3 ms 816 KB Output is correct
23 Correct 3 ms 816 KB Output is correct
24 Correct 2 ms 816 KB Output is correct
25 Correct 2 ms 816 KB Output is correct
26 Correct 5 ms 816 KB Output is correct
27 Correct 3 ms 816 KB Output is correct
28 Correct 22 ms 816 KB Output is correct
29 Correct 3 ms 816 KB Output is correct
30 Correct 2 ms 816 KB Output is correct
31 Correct 2 ms 816 KB Output is correct
32 Correct 4 ms 816 KB Output is correct
33 Correct 3 ms 816 KB Output is correct
34 Correct 2 ms 816 KB Output is correct
35 Correct 3 ms 816 KB Output is correct
36 Correct 3 ms 816 KB Output is correct
37 Correct 3 ms 816 KB Output is correct
38 Correct 2 ms 816 KB Output is correct
39 Correct 3 ms 816 KB Output is correct
40 Correct 3 ms 816 KB Output is correct
41 Correct 3 ms 816 KB Output is correct
42 Correct 3 ms 816 KB Output is correct
43 Correct 3 ms 816 KB Output is correct
44 Correct 3 ms 816 KB Output is correct
45 Correct 3 ms 816 KB Output is correct
46 Correct 9 ms 816 KB Output is correct
47 Correct 7 ms 816 KB Output is correct
48 Correct 7 ms 816 KB Output is correct
49 Correct 199 ms 816 KB Output is correct
50 Correct 210 ms 816 KB Output is correct
51 Correct 263 ms 816 KB Output is correct
52 Correct 103 ms 816 KB Output is correct
53 Correct 101 ms 816 KB Output is correct
54 Correct 105 ms 956 KB Output is correct
55 Correct 118 ms 956 KB Output is correct
56 Correct 100 ms 956 KB Output is correct
57 Correct 7 ms 956 KB Output is correct
58 Correct 7 ms 956 KB Output is correct
59 Correct 8 ms 956 KB Output is correct
60 Correct 7 ms 956 KB Output is correct
61 Correct 122 ms 956 KB Output is correct
62 Correct 130 ms 956 KB Output is correct
63 Correct 110 ms 956 KB Output is correct
64 Correct 5 ms 956 KB Output is correct
65 Correct 6 ms 956 KB Output is correct
66 Correct 9 ms 956 KB Output is correct
67 Correct 5 ms 956 KB Output is correct
68 Correct 264 ms 956 KB Output is correct
69 Correct 111 ms 956 KB Output is correct
70 Correct 127 ms 956 KB Output is correct
71 Correct 126 ms 956 KB Output is correct
72 Correct 6 ms 956 KB Output is correct
73 Correct 7 ms 956 KB Output is correct
74 Correct 132 ms 956 KB Output is correct
75 Correct 56 ms 956 KB Output is correct
76 Correct 42 ms 956 KB Output is correct
77 Correct 30 ms 956 KB Output is correct
78 Correct 65 ms 956 KB Output is correct
79 Correct 47 ms 956 KB Output is correct
80 Correct 41 ms 956 KB Output is correct
81 Correct 60 ms 956 KB Output is correct
82 Correct 37 ms 956 KB Output is correct
83 Correct 29 ms 956 KB Output is correct
84 Correct 67 ms 956 KB Output is correct
85 Correct 45 ms 956 KB Output is correct
86 Correct 36 ms 956 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 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 540 KB Output is correct
7 Correct 2 ms 540 KB Output is correct
8 Correct 4 ms 560 KB Output is correct
9 Correct 4 ms 560 KB Output is correct
10 Correct 6 ms 560 KB Output is correct
11 Correct 4 ms 572 KB Output is correct
12 Correct 4 ms 816 KB Output is correct
13 Correct 3 ms 816 KB Output is correct
14 Correct 3 ms 816 KB Output is correct
15 Correct 3 ms 816 KB Output is correct
16 Correct 2 ms 816 KB Output is correct
17 Correct 2 ms 816 KB Output is correct
18 Correct 2 ms 816 KB Output is correct
19 Correct 3 ms 816 KB Output is correct
20 Correct 3 ms 816 KB Output is correct
21 Correct 3 ms 816 KB Output is correct
22 Correct 3 ms 816 KB Output is correct
23 Correct 3 ms 816 KB Output is correct
24 Correct 2 ms 816 KB Output is correct
25 Correct 2 ms 816 KB Output is correct
26 Correct 5 ms 816 KB Output is correct
27 Correct 3 ms 816 KB Output is correct
28 Correct 22 ms 816 KB Output is correct
29 Correct 3 ms 816 KB Output is correct
30 Correct 2 ms 816 KB Output is correct
31 Correct 2 ms 816 KB Output is correct
32 Correct 4 ms 816 KB Output is correct
33 Correct 3 ms 816 KB Output is correct
34 Correct 2 ms 816 KB Output is correct
35 Correct 3 ms 816 KB Output is correct
36 Correct 3 ms 816 KB Output is correct
37 Correct 3 ms 816 KB Output is correct
38 Correct 2 ms 816 KB Output is correct
39 Correct 3 ms 816 KB Output is correct
40 Correct 3 ms 816 KB Output is correct
41 Correct 3 ms 816 KB Output is correct
42 Correct 3 ms 816 KB Output is correct
43 Correct 3 ms 816 KB Output is correct
44 Correct 3 ms 816 KB Output is correct
45 Correct 3 ms 816 KB Output is correct
46 Correct 9 ms 816 KB Output is correct
47 Correct 7 ms 816 KB Output is correct
48 Correct 7 ms 816 KB Output is correct
49 Correct 199 ms 816 KB Output is correct
50 Correct 210 ms 816 KB Output is correct
51 Correct 263 ms 816 KB Output is correct
52 Correct 103 ms 816 KB Output is correct
53 Correct 101 ms 816 KB Output is correct
54 Correct 105 ms 956 KB Output is correct
55 Correct 118 ms 956 KB Output is correct
56 Correct 100 ms 956 KB Output is correct
57 Correct 7 ms 956 KB Output is correct
58 Correct 7 ms 956 KB Output is correct
59 Correct 8 ms 956 KB Output is correct
60 Correct 7 ms 956 KB Output is correct
61 Correct 122 ms 956 KB Output is correct
62 Correct 130 ms 956 KB Output is correct
63 Correct 110 ms 956 KB Output is correct
64 Correct 5 ms 956 KB Output is correct
65 Correct 6 ms 956 KB Output is correct
66 Correct 9 ms 956 KB Output is correct
67 Correct 5 ms 956 KB Output is correct
68 Correct 264 ms 956 KB Output is correct
69 Correct 111 ms 956 KB Output is correct
70 Correct 127 ms 956 KB Output is correct
71 Correct 126 ms 956 KB Output is correct
72 Correct 6 ms 956 KB Output is correct
73 Correct 7 ms 956 KB Output is correct
74 Correct 132 ms 956 KB Output is correct
75 Correct 56 ms 956 KB Output is correct
76 Correct 42 ms 956 KB Output is correct
77 Correct 30 ms 956 KB Output is correct
78 Correct 65 ms 956 KB Output is correct
79 Correct 47 ms 956 KB Output is correct
80 Correct 41 ms 956 KB Output is correct
81 Correct 60 ms 956 KB Output is correct
82 Correct 37 ms 956 KB Output is correct
83 Correct 29 ms 956 KB Output is correct
84 Correct 67 ms 956 KB Output is correct
85 Correct 45 ms 956 KB Output is correct
86 Correct 36 ms 956 KB Output is correct
87 Correct 15 ms 956 KB Output is correct
88 Correct 43 ms 1340 KB Output is correct
89 Correct 185 ms 4796 KB Output is correct
90 Correct 178 ms 7044 KB Output is correct
91 Correct 183 ms 9080 KB Output is correct
92 Execution timed out 1079 ms 10068 KB Time limit exceeded
93 Halted 0 ms 0 KB -