답안 #47386 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
47386	2018-05-02T09:59:01 Z	mirbek01	Construction of Highway (JOI18_construction)	C++17	7 / 100	222 ms	1196 KB

construction

# 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;
            set <int> st;
            while(v){
                  update(c[v], 1);
                  ans += get(c[v] - 1);
                  st.insert(c[v]);
                  v = p[v];
            }

            if(st.size() > 1000)
                  assert(0);

            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

#	결과	실행 시간	메모리	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	448 KB	Output is correct
6	Correct	2 ms	576 KB	Output is correct
7	Correct	2 ms	576 KB	Output is correct
8	Correct	4 ms	576 KB	Output is correct
9	Correct	5 ms	576 KB	Output is correct
10	Correct	4 ms	576 KB	Output is correct
11	Correct	3 ms	576 KB	Output is correct
12	Correct	3 ms	576 KB	Output is correct
13	Correct	4 ms	576 KB	Output is correct
14	Correct	3 ms	648 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	3 ms	648 KB	Output is correct
17	Correct	3 ms	748 KB	Output is correct
18	Correct	3 ms	748 KB	Output is correct
19	Correct	3 ms	748 KB	Output is correct
20	Correct	3 ms	748 KB	Output is correct
21	Correct	3 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	3 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	5 ms	764 KB	Output is correct
27	Correct	5 ms	764 KB	Output is correct
28	Correct	4 ms	764 KB	Output is correct
29	Correct	5 ms	764 KB	Output is correct
30	Correct	2 ms	764 KB	Output is correct
31	Correct	2 ms	764 KB	Output is correct
32	Correct	3 ms	764 KB	Output is correct
33	Correct	3 ms	764 KB	Output is correct
34	Correct	2 ms	764 KB	Output is correct
35	Correct	2 ms	764 KB	Output is correct
36	Correct	3 ms	764 KB	Output is correct
37	Correct	3 ms	764 KB	Output is correct
38	Correct	3 ms	764 KB	Output is correct
39	Correct	3 ms	764 KB	Output is correct
40	Correct	3 ms	764 KB	Output is correct
41	Correct	2 ms	764 KB	Output is correct
42	Correct	4 ms	764 KB	Output is correct
43	Correct	3 ms	764 KB	Output is correct
44	Correct	3 ms	764 KB	Output is correct

Subtask #2
0 / 9.0

#	결과	실행 시간	메모리	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	448 KB	Output is correct
6	Correct	2 ms	576 KB	Output is correct
7	Correct	2 ms	576 KB	Output is correct
8	Correct	4 ms	576 KB	Output is correct
9	Correct	5 ms	576 KB	Output is correct
10	Correct	4 ms	576 KB	Output is correct
11	Correct	3 ms	576 KB	Output is correct
12	Correct	3 ms	576 KB	Output is correct
13	Correct	4 ms	576 KB	Output is correct
14	Correct	3 ms	648 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	3 ms	648 KB	Output is correct
17	Correct	3 ms	748 KB	Output is correct
18	Correct	3 ms	748 KB	Output is correct
19	Correct	3 ms	748 KB	Output is correct
20	Correct	3 ms	748 KB	Output is correct
21	Correct	3 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	3 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	5 ms	764 KB	Output is correct
27	Correct	5 ms	764 KB	Output is correct
28	Correct	4 ms	764 KB	Output is correct
29	Correct	5 ms	764 KB	Output is correct
30	Correct	2 ms	764 KB	Output is correct
31	Correct	2 ms	764 KB	Output is correct
32	Correct	3 ms	764 KB	Output is correct
33	Correct	3 ms	764 KB	Output is correct
34	Correct	2 ms	764 KB	Output is correct
35	Correct	2 ms	764 KB	Output is correct
36	Correct	3 ms	764 KB	Output is correct
37	Correct	3 ms	764 KB	Output is correct
38	Correct	3 ms	764 KB	Output is correct
39	Correct	3 ms	764 KB	Output is correct
40	Correct	3 ms	764 KB	Output is correct
41	Correct	2 ms	764 KB	Output is correct
42	Correct	4 ms	764 KB	Output is correct
43	Correct	3 ms	764 KB	Output is correct
44	Correct	3 ms	764 KB	Output is correct
45	Correct	4 ms	764 KB	Output is correct
46	Correct	11 ms	764 KB	Output is correct
47	Correct	11 ms	764 KB	Output is correct
48	Correct	7 ms	764 KB	Output is correct
49	Correct	200 ms	764 KB	Output is correct
50	Correct	222 ms	764 KB	Output is correct
51	Correct	203 ms	816 KB	Output is correct
52	Runtime error	106 ms	1196 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
53	Halted	0 ms	0 KB	-

Subtask #3
0 / 84.0

#	결과	실행 시간	메모리	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	448 KB	Output is correct
6	Correct	2 ms	576 KB	Output is correct
7	Correct	2 ms	576 KB	Output is correct
8	Correct	4 ms	576 KB	Output is correct
9	Correct	5 ms	576 KB	Output is correct
10	Correct	4 ms	576 KB	Output is correct
11	Correct	3 ms	576 KB	Output is correct
12	Correct	3 ms	576 KB	Output is correct
13	Correct	4 ms	576 KB	Output is correct
14	Correct	3 ms	648 KB	Output is correct
15	Correct	2 ms	648 KB	Output is correct
16	Correct	3 ms	648 KB	Output is correct
17	Correct	3 ms	748 KB	Output is correct
18	Correct	3 ms	748 KB	Output is correct
19	Correct	3 ms	748 KB	Output is correct
20	Correct	3 ms	748 KB	Output is correct
21	Correct	3 ms	748 KB	Output is correct
22	Correct	2 ms	748 KB	Output is correct
23	Correct	2 ms	748 KB	Output is correct
24	Correct	3 ms	748 KB	Output is correct
25	Correct	2 ms	748 KB	Output is correct
26	Correct	5 ms	764 KB	Output is correct
27	Correct	5 ms	764 KB	Output is correct
28	Correct	4 ms	764 KB	Output is correct
29	Correct	5 ms	764 KB	Output is correct
30	Correct	2 ms	764 KB	Output is correct
31	Correct	2 ms	764 KB	Output is correct
32	Correct	3 ms	764 KB	Output is correct
33	Correct	3 ms	764 KB	Output is correct
34	Correct	2 ms	764 KB	Output is correct
35	Correct	2 ms	764 KB	Output is correct
36	Correct	3 ms	764 KB	Output is correct
37	Correct	3 ms	764 KB	Output is correct
38	Correct	3 ms	764 KB	Output is correct
39	Correct	3 ms	764 KB	Output is correct
40	Correct	3 ms	764 KB	Output is correct
41	Correct	2 ms	764 KB	Output is correct
42	Correct	4 ms	764 KB	Output is correct
43	Correct	3 ms	764 KB	Output is correct
44	Correct	3 ms	764 KB	Output is correct
45	Correct	4 ms	764 KB	Output is correct
46	Correct	11 ms	764 KB	Output is correct
47	Correct	11 ms	764 KB	Output is correct
48	Correct	7 ms	764 KB	Output is correct
49	Correct	200 ms	764 KB	Output is correct
50	Correct	222 ms	764 KB	Output is correct
51	Correct	203 ms	816 KB	Output is correct
52	Runtime error	106 ms	1196 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
53	Halted	0 ms	0 KB	-

답안 #47386

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
0 / 9.0

Subtask #3
0 / 84.0