# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
145885 |
2019-08-21T10:15:25 Z |
nvmdava |
Triangles (CEOI18_tri) |
C++17 |
|
46 ms |
4232 KB |
#include <bits/stdc++.h>
#include "trilib.h"
#define ff first
#define ss second
#define ll long long
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, root, t;
class Compare{
public:
bool operator()(const int& lhs, const int& rhs){
return is_clockwise(root, lhs, rhs);
}
};
set<int, Compare> le, ri;
vector<int> hull, hull2;
int main() {
n = get_n();
root = 1;
t = 2;
for(int i = 3; i <= n; i++){
if(is_clockwise(t, root, i))
ri.insert(i);
else
le.insert(i);
}
for(int x : le)
hull.push_back(x);
hull.push_back(root);
for(int x : ri)
hull.push_back(x);
hull.push_back(t);
while(true){
for(int i = 0; i < hull.size(); i++){
int l = i - 1;
int r = i + 1;
if(l == -1) l = hull.size() - 1;
if(r == hull.size()) r = 0;
l = hull[l];
r = hull[r];
if(is_clockwise(l, hull[i], r))
hull2.push_back(hull[i]);
}
swap(hull2, hull);
if(hull.size() == hull2.size()) break;
hull2.clear();
}
give_answer(hull.size());
}
Compilation message
tri.cpp: In function 'int main()':
tri.cpp:40:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < hull.size(); i++){
~~^~~~~~~~~~~~~
tri.cpp:44:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(r == hull.size()) r = 0;
~~^~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
256 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
252 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
380 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
376 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
3 ms |
376 KB |
Output is correct |
43 |
Correct |
3 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
3 ms |
376 KB |
Output is correct |
46 |
Correct |
3 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
380 KB |
Output is correct |
50 |
Correct |
2 ms |
380 KB |
Output is correct |
51 |
Correct |
3 ms |
380 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
256 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
252 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
380 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
376 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
3 ms |
376 KB |
Output is correct |
43 |
Correct |
3 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
3 ms |
376 KB |
Output is correct |
46 |
Correct |
3 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
380 KB |
Output is correct |
50 |
Correct |
2 ms |
380 KB |
Output is correct |
51 |
Correct |
3 ms |
380 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
376 KB |
Output is correct |
54 |
Correct |
2 ms |
256 KB |
Output is correct |
55 |
Correct |
2 ms |
376 KB |
Output is correct |
56 |
Correct |
2 ms |
256 KB |
Output is correct |
57 |
Correct |
2 ms |
376 KB |
Output is correct |
58 |
Correct |
17 ms |
1528 KB |
Output is correct |
59 |
Correct |
16 ms |
1488 KB |
Output is correct |
60 |
Correct |
15 ms |
1400 KB |
Output is correct |
61 |
Correct |
16 ms |
1400 KB |
Output is correct |
62 |
Correct |
15 ms |
1472 KB |
Output is correct |
63 |
Correct |
16 ms |
1784 KB |
Output is correct |
64 |
Correct |
16 ms |
1784 KB |
Output is correct |
65 |
Correct |
17 ms |
1784 KB |
Output is correct |
66 |
Correct |
17 ms |
1784 KB |
Output is correct |
67 |
Correct |
16 ms |
1656 KB |
Output is correct |
68 |
Correct |
16 ms |
1784 KB |
Output is correct |
69 |
Correct |
16 ms |
1784 KB |
Output is correct |
70 |
Correct |
16 ms |
1660 KB |
Output is correct |
71 |
Correct |
16 ms |
1656 KB |
Output is correct |
72 |
Correct |
15 ms |
1704 KB |
Output is correct |
73 |
Correct |
17 ms |
1656 KB |
Output is correct |
74 |
Correct |
16 ms |
1784 KB |
Output is correct |
75 |
Correct |
16 ms |
1656 KB |
Output is correct |
76 |
Correct |
15 ms |
1656 KB |
Output is correct |
77 |
Correct |
12 ms |
1656 KB |
Output is correct |
78 |
Correct |
12 ms |
1656 KB |
Output is correct |
# |
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 |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
256 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
404 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
256 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
256 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
256 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
256 KB |
Output is correct |
14 |
Correct |
2 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
380 KB |
Output is correct |
16 |
Correct |
2 ms |
256 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
256 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
256 KB |
Output is correct |
29 |
Correct |
2 ms |
256 KB |
Output is correct |
30 |
Correct |
2 ms |
252 KB |
Output is correct |
31 |
Correct |
2 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
2 ms |
380 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
3 ms |
376 KB |
Output is correct |
39 |
Correct |
3 ms |
376 KB |
Output is correct |
40 |
Correct |
3 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
3 ms |
376 KB |
Output is correct |
43 |
Correct |
3 ms |
376 KB |
Output is correct |
44 |
Correct |
3 ms |
376 KB |
Output is correct |
45 |
Correct |
3 ms |
376 KB |
Output is correct |
46 |
Correct |
3 ms |
376 KB |
Output is correct |
47 |
Correct |
2 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
380 KB |
Output is correct |
50 |
Correct |
2 ms |
380 KB |
Output is correct |
51 |
Correct |
3 ms |
380 KB |
Output is correct |
52 |
Correct |
2 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
376 KB |
Output is correct |
54 |
Correct |
2 ms |
256 KB |
Output is correct |
55 |
Correct |
2 ms |
376 KB |
Output is correct |
56 |
Correct |
2 ms |
256 KB |
Output is correct |
57 |
Correct |
2 ms |
376 KB |
Output is correct |
58 |
Correct |
17 ms |
1528 KB |
Output is correct |
59 |
Correct |
16 ms |
1488 KB |
Output is correct |
60 |
Correct |
15 ms |
1400 KB |
Output is correct |
61 |
Correct |
16 ms |
1400 KB |
Output is correct |
62 |
Correct |
15 ms |
1472 KB |
Output is correct |
63 |
Correct |
16 ms |
1784 KB |
Output is correct |
64 |
Correct |
16 ms |
1784 KB |
Output is correct |
65 |
Correct |
17 ms |
1784 KB |
Output is correct |
66 |
Correct |
17 ms |
1784 KB |
Output is correct |
67 |
Correct |
16 ms |
1656 KB |
Output is correct |
68 |
Correct |
16 ms |
1784 KB |
Output is correct |
69 |
Correct |
16 ms |
1784 KB |
Output is correct |
70 |
Correct |
16 ms |
1660 KB |
Output is correct |
71 |
Correct |
16 ms |
1656 KB |
Output is correct |
72 |
Correct |
15 ms |
1704 KB |
Output is correct |
73 |
Correct |
17 ms |
1656 KB |
Output is correct |
74 |
Correct |
16 ms |
1784 KB |
Output is correct |
75 |
Correct |
16 ms |
1656 KB |
Output is correct |
76 |
Correct |
15 ms |
1656 KB |
Output is correct |
77 |
Correct |
12 ms |
1656 KB |
Output is correct |
78 |
Correct |
12 ms |
1656 KB |
Output is correct |
79 |
Correct |
2 ms |
376 KB |
Output is correct |
80 |
Correct |
2 ms |
376 KB |
Output is correct |
81 |
Correct |
2 ms |
256 KB |
Output is correct |
82 |
Correct |
2 ms |
256 KB |
Output is correct |
83 |
Correct |
2 ms |
256 KB |
Output is correct |
84 |
Correct |
2 ms |
256 KB |
Output is correct |
85 |
Correct |
2 ms |
376 KB |
Output is correct |
86 |
Correct |
2 ms |
376 KB |
Output is correct |
87 |
Correct |
2 ms |
404 KB |
Output is correct |
88 |
Correct |
2 ms |
376 KB |
Output is correct |
89 |
Correct |
2 ms |
376 KB |
Output is correct |
90 |
Correct |
2 ms |
256 KB |
Output is correct |
91 |
Correct |
2 ms |
376 KB |
Output is correct |
92 |
Correct |
2 ms |
256 KB |
Output is correct |
93 |
Correct |
2 ms |
376 KB |
Output is correct |
94 |
Correct |
2 ms |
376 KB |
Output is correct |
95 |
Correct |
2 ms |
376 KB |
Output is correct |
96 |
Correct |
2 ms |
376 KB |
Output is correct |
97 |
Correct |
2 ms |
376 KB |
Output is correct |
98 |
Correct |
2 ms |
376 KB |
Output is correct |
99 |
Correct |
2 ms |
376 KB |
Output is correct |
100 |
Correct |
2 ms |
376 KB |
Output is correct |
101 |
Correct |
2 ms |
376 KB |
Output is correct |
102 |
Correct |
2 ms |
376 KB |
Output is correct |
103 |
Correct |
2 ms |
376 KB |
Output is correct |
104 |
Correct |
2 ms |
376 KB |
Output is correct |
105 |
Correct |
2 ms |
376 KB |
Output is correct |
106 |
Correct |
2 ms |
256 KB |
Output is correct |
107 |
Correct |
3 ms |
376 KB |
Output is correct |
108 |
Correct |
2 ms |
256 KB |
Output is correct |
109 |
Correct |
2 ms |
256 KB |
Output is correct |
110 |
Correct |
43 ms |
4080 KB |
Output is correct |
111 |
Correct |
43 ms |
4088 KB |
Output is correct |
112 |
Correct |
43 ms |
4088 KB |
Output is correct |
113 |
Correct |
44 ms |
4088 KB |
Output is correct |
114 |
Correct |
42 ms |
4212 KB |
Output is correct |
115 |
Correct |
41 ms |
4212 KB |
Output is correct |
116 |
Correct |
42 ms |
4232 KB |
Output is correct |
117 |
Correct |
43 ms |
4212 KB |
Output is correct |
118 |
Correct |
42 ms |
4088 KB |
Output is correct |
119 |
Correct |
44 ms |
3960 KB |
Output is correct |
120 |
Correct |
42 ms |
4088 KB |
Output is correct |
121 |
Correct |
42 ms |
4088 KB |
Output is correct |
122 |
Correct |
41 ms |
4088 KB |
Output is correct |
123 |
Correct |
43 ms |
4088 KB |
Output is correct |
124 |
Correct |
44 ms |
4000 KB |
Output is correct |
125 |
Correct |
43 ms |
3960 KB |
Output is correct |
126 |
Correct |
46 ms |
4088 KB |
Output is correct |
127 |
Correct |
41 ms |
4088 KB |
Output is correct |
128 |
Correct |
43 ms |
4088 KB |
Output is correct |
129 |
Incorrect |
28 ms |
4084 KB |
Output isn't correct |
130 |
Halted |
0 ms |
0 KB |
- |