oj.uz

답안 #972531

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
972531 2024-04-30T14:21:13 Z MilosMilutinovic Triangles (CEOI18_tri) C++14
75 / 100
 2229 ms 240924 KB 
#include <bits/stdc++.h>
#include "trilib.h"
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n = get_n();
  map<array<int, 3>, bool> mp;
  auto Ask = [&](int i, int j, int k) {
    if (mp.count({i, j, k})) {
      return mp[{i, j, k}];
    }
    mp[{i, j, k}] = is_clockwise(i, j, k);
    mp[{k, j, i}] = !mp[{i, j, k}];
    return mp[{i, j, k}];
  };
  vector<vector<int>> pts(2);
  for (int i = 3; i <= n; i++) {
    pts[!Ask(1, 2, i)].push_back(i);
  }
  pts[1].push_back(2);
  for (int it = 0; it < 2; it++) {
    sort(pts[it].begin(), pts[it].end(), [&](int i, int j) {
      if (i == j) {
        return false;
      }
      return !Ask(1, i, j);
    });
  }
  vector<int> v;
  for (int i : pts[1]) {
    v.push_back(i);
  }
  v.push_back(1);
  for (int i : pts[0]) {
    v.push_back(i);
  }
  vector<int> res;
  int bef = 0;
  for (int it = 0; it < 2; it++) {
    bef = (int) res.size();
    for (int i : v) {
      while (res.size() >= 2 && Ask(res.rbegin()[1], res.back(), i)) {
        res.pop_back();
      }
      res.push_back(i);
    }
  }
  cout << (int) res.size() - bef << endl;
  return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 5 ms 1112 KB Output is correct
33 Correct 5 ms 1152 KB Output is correct
34 Correct 6 ms 1112 KB Output is correct
35 Correct 5 ms 1304 KB Output is correct
36 Correct 5 ms 1116 KB Output is correct
37 Correct 4 ms 1116 KB Output is correct
38 Correct 5 ms 1112 KB Output is correct
39 Correct 4 ms 1116 KB Output is correct
40 Correct 5 ms 984 KB Output is correct
41 Correct 5 ms 1184 KB Output is correct
42 Correct 6 ms 1112 KB Output is correct
43 Correct 5 ms 1116 KB Output is correct
44 Correct 6 ms 1152 KB Output is correct
45 Correct 5 ms 1112 KB Output is correct
46 Correct 5 ms 1116 KB Output is correct
47 Correct 5 ms 1116 KB Output is correct
48 Correct 5 ms 1116 KB Output is correct
49 Correct 5 ms 1112 KB Output is correct
50 Correct 5 ms 1116 KB Output is correct
51 Correct 9 ms 1896 KB Output is correct
52 Correct 3 ms 860 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 5 ms 1112 KB Output is correct
33 Correct 5 ms 1152 KB Output is correct
34 Correct 6 ms 1112 KB Output is correct
35 Correct 5 ms 1304 KB Output is correct
36 Correct 5 ms 1116 KB Output is correct
37 Correct 4 ms 1116 KB Output is correct
38 Correct 5 ms 1112 KB Output is correct
39 Correct 4 ms 1116 KB Output is correct
40 Correct 5 ms 984 KB Output is correct
41 Correct 5 ms 1184 KB Output is correct
42 Correct 6 ms 1112 KB Output is correct
43 Correct 5 ms 1116 KB Output is correct
44 Correct 6 ms 1152 KB Output is correct
45 Correct 5 ms 1112 KB Output is correct
46 Correct 5 ms 1116 KB Output is correct
47 Correct 5 ms 1116 KB Output is correct
48 Correct 5 ms 1116 KB Output is correct
49 Correct 5 ms 1112 KB Output is correct
50 Correct 5 ms 1116 KB Output is correct
51 Correct 9 ms 1896 KB Output is correct
52 Correct 3 ms 860 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 355 ms 33996 KB Output is correct
59 Correct 345 ms 34844 KB Output is correct
60 Correct 339 ms 33584 KB Output is correct
61 Correct 386 ms 35920 KB Output is correct
62 Correct 319 ms 32176 KB Output is correct
63 Correct 327 ms 33528 KB Output is correct
64 Correct 311 ms 31860 KB Output is correct
65 Correct 370 ms 33912 KB Output is correct
66 Correct 328 ms 33596 KB Output is correct
67 Correct 367 ms 36880 KB Output is correct
68 Correct 356 ms 35664 KB Output is correct
69 Correct 415 ms 35332 KB Output is correct
70 Correct 348 ms 35448 KB Output is correct
71 Correct 373 ms 33560 KB Output is correct
72 Correct 337 ms 34224 KB Output is correct
73 Correct 329 ms 33132 KB Output is correct
74 Correct 353 ms 35312 KB Output is correct
75 Correct 368 ms 34268 KB Output is correct
76 Correct 371 ms 34848 KB Output is correct
77 Correct 707 ms 80148 KB Output is correct
78 Correct 164 ms 25360 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 5 ms 1112 KB Output is correct
33 Correct 5 ms 1152 KB Output is correct
34 Correct 6 ms 1112 KB Output is correct
35 Correct 5 ms 1304 KB Output is correct
36 Correct 5 ms 1116 KB Output is correct
37 Correct 4 ms 1116 KB Output is correct
38 Correct 5 ms 1112 KB Output is correct
39 Correct 4 ms 1116 KB Output is correct
40 Correct 5 ms 984 KB Output is correct
41 Correct 5 ms 1184 KB Output is correct
42 Correct 6 ms 1112 KB Output is correct
43 Correct 5 ms 1116 KB Output is correct
44 Correct 6 ms 1152 KB Output is correct
45 Correct 5 ms 1112 KB Output is correct
46 Correct 5 ms 1116 KB Output is correct
47 Correct 5 ms 1116 KB Output is correct
48 Correct 5 ms 1116 KB Output is correct
49 Correct 5 ms 1112 KB Output is correct
50 Correct 5 ms 1116 KB Output is correct
51 Correct 9 ms 1896 KB Output is correct
52 Correct 3 ms 860 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 355 ms 33996 KB Output is correct
59 Correct 345 ms 34844 KB Output is correct
60 Correct 339 ms 33584 KB Output is correct
61 Correct 386 ms 35920 KB Output is correct
62 Correct 319 ms 32176 KB Output is correct
63 Correct 327 ms 33528 KB Output is correct
64 Correct 311 ms 31860 KB Output is correct
65 Correct 370 ms 33912 KB Output is correct
66 Correct 328 ms 33596 KB Output is correct
67 Correct 367 ms 36880 KB Output is correct
68 Correct 356 ms 35664 KB Output is correct
69 Correct 415 ms 35332 KB Output is correct
70 Correct 348 ms 35448 KB Output is correct
71 Correct 373 ms 33560 KB Output is correct
72 Correct 337 ms 34224 KB Output is correct
73 Correct 329 ms 33132 KB Output is correct
74 Correct 353 ms 35312 KB Output is correct
75 Correct 368 ms 34268 KB Output is correct
76 Correct 371 ms 34848 KB Output is correct
77 Correct 707 ms 80148 KB Output is correct
78 Correct 164 ms 25360 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 ms 344 KB Output is correct
81 Correct 0 ms 348 KB Output is correct
82 Correct 0 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 0 ms 348 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 0 ms 348 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 344 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 1 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 1 ms 348 KB Output is correct
105 Correct 0 ms 348 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 0 ms 348 KB Output is correct
108 Correct 1 ms 348 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 1211 ms 97912 KB Output is correct
111 Correct 1254 ms 99908 KB Output is correct
112 Correct 1234 ms 101512 KB Output is correct
113 Correct 1229 ms 98684 KB Output is correct
114 Correct 1205 ms 96888 KB Output is correct
115 Correct 1141 ms 92712 KB Output is correct
116 Correct 1220 ms 97236 KB Output is correct
117 Correct 1152 ms 92708 KB Output is correct
118 Correct 1256 ms 97040 KB Output is correct
119 Correct 1254 ms 102484 KB Output is correct
120 Correct 1195 ms 98156 KB Output is correct
121 Correct 1174 ms 99288 KB Output is correct
122 Correct 1185 ms 98660 KB Output is correct
123 Correct 1210 ms 101864 KB Output is correct
124 Correct 1208 ms 101348 KB Output is correct
125 Correct 1159 ms 97228 KB Output is correct
126 Correct 1271 ms 102844 KB Output is correct
127 Correct 1195 ms 97892 KB Output is correct
128 Correct 1209 ms 99088 KB Output is correct
129 Incorrect 2229 ms 240924 KB Output isn't correct
130 Halted 0 ms 0 KB -