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Submission #972475

# Submission time Handle Problem Language Result Execution time Memory
972475 2024-04-30T13:26:40 Z Charizard2021 Triangles (CEOI18_tri) C++17
100 / 100
 32 ms 4092 KB 
#include<bits/stdc++.h>
#include "trilib.h"
using namespace std;
vector<int> orderDivide(vector<int> points){
    if((int)points.size() <= 1){
        return points;
    }
    int cur = points[rand() % (int)points.size()];
    vector<int> leftHalf;
    vector<int> rightHalf;
    for(int i = 0; i < (int)points.size(); i++){
        if(points[i] != cur){
            if(is_clockwise(1, cur, points[i])){
                rightHalf.push_back(points[i]);
            }
            else{
                leftHalf.push_back(points[i]);
            }
        }
    }
    vector<int> leftorderDivide = orderDivide(leftHalf);
    vector<int> rightorderDivide = orderDivide(rightHalf);
    leftorderDivide.push_back(cur);
    for(int a : rightorderDivide){
        leftorderDivide.push_back(a);
    }
    return leftorderDivide;
}
int main(){
    srand((unsigned) time(NULL));
    int n = get_n();
    vector<int> points;
    for(int i = 2; i <= n; i++){
        points.push_back(i);
    }
    points = orderDivide(points);
    points.insert(points.begin(), 1);
    vector<int> cur;
    cur.push_back(1);
    for(int i = 1; i < (int)points.size(); i++){
        while((int)cur.size() >= 2 && !is_clockwise(cur[(int)cur.size() - 2], cur.back(), points[i])){
            cur.pop_back();
        }
        cur.push_back(points[i]);
    }
    points = cur;
    deque<int> dq;
    for(int i = 0; i < (int)points.size(); i++){
        dq.push_back(points[i]);
    }
    while(true){
        bool works = true;
        int cur = dq.back();
        dq.pop_back();
        if(is_clockwise(dq.back(), cur, dq.front())){
            dq.push_back(cur);
        }
        else{
            works = false;
        }
        cur = dq.front();
        dq.pop_front();
        if(is_clockwise(dq.back(), cur, dq.front())){
            dq.push_front(cur);
        }
        else{
            works = false;
        }
        if(works){
            break;
        }
    }
    give_answer(dq.size());
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 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 348 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 352 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 0 ms 352 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 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 348 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 352 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 0 ms 352 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 348 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 352 KB Output is correct
31 Correct 0 ms 436 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 544 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 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 348 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 352 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 0 ms 352 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 348 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 352 KB Output is correct
31 Correct 0 ms 436 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 544 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 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 9 ms 1592 KB Output is correct
59 Correct 8 ms 1372 KB Output is correct
60 Correct 9 ms 1628 KB Output is correct
61 Correct 11 ms 1372 KB Output is correct
62 Correct 8 ms 1476 KB Output is correct
63 Correct 8 ms 1628 KB Output is correct
64 Correct 8 ms 1824 KB Output is correct
65 Correct 9 ms 1628 KB Output is correct
66 Correct 8 ms 1372 KB Output is correct
67 Correct 10 ms 1696 KB Output is correct
68 Correct 9 ms 1624 KB Output is correct
69 Correct 9 ms 1628 KB Output is correct
70 Correct 8 ms 1628 KB Output is correct
71 Correct 8 ms 1628 KB Output is correct
72 Correct 9 ms 1524 KB Output is correct
73 Correct 11 ms 1628 KB Output is correct
74 Correct 9 ms 1624 KB Output is correct
75 Correct 9 ms 1884 KB Output is correct
76 Correct 8 ms 1628 KB Output is correct
77 Correct 7 ms 1372 KB Output is correct
78 Correct 7 ms 1628 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 1 ms 352 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 352 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 348 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 0 ms 348 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 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 #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 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 348 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 352 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 0 ms 352 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 352 KB Output is correct
26 Correct 0 ms 348 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 352 KB Output is correct
31 Correct 0 ms 436 KB Output is correct
32 Correct 1 ms 352 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 544 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 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 9 ms 1592 KB Output is correct
59 Correct 8 ms 1372 KB Output is correct
60 Correct 9 ms 1628 KB Output is correct
61 Correct 11 ms 1372 KB Output is correct
62 Correct 8 ms 1476 KB Output is correct
63 Correct 8 ms 1628 KB Output is correct
64 Correct 8 ms 1824 KB Output is correct
65 Correct 9 ms 1628 KB Output is correct
66 Correct 8 ms 1372 KB Output is correct
67 Correct 10 ms 1696 KB Output is correct
68 Correct 9 ms 1624 KB Output is correct
69 Correct 9 ms 1628 KB Output is correct
70 Correct 8 ms 1628 KB Output is correct
71 Correct 8 ms 1628 KB Output is correct
72 Correct 9 ms 1524 KB Output is correct
73 Correct 11 ms 1628 KB Output is correct
74 Correct 9 ms 1624 KB Output is correct
75 Correct 9 ms 1884 KB Output is correct
76 Correct 8 ms 1628 KB Output is correct
77 Correct 7 ms 1372 KB Output is correct
78 Correct 7 ms 1628 KB Output is correct
79 Correct 1 ms 348 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 1 ms 352 KB Output is correct
84 Correct 1 ms 348 KB Output is correct
85 Correct 1 ms 440 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 0 ms 352 KB Output is correct
88 Correct 1 ms 344 KB Output is correct
89 Correct 0 ms 600 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 1 ms 344 KB Output is correct
92 Correct 0 ms 344 KB Output is correct
93 Correct 0 ms 348 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 0 ms 348 KB Output is correct
98 Correct 1 ms 352 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 1 ms 348 KB Output is correct
104 Correct 1 ms 344 KB Output is correct
105 Correct 1 ms 348 KB Output is correct
106 Correct 0 ms 432 KB Output is correct
107 Correct 0 ms 436 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 23 ms 3612 KB Output is correct
111 Correct 28 ms 3952 KB Output is correct
112 Correct 26 ms 3560 KB Output is correct
113 Correct 25 ms 3544 KB Output is correct
114 Correct 23 ms 3552 KB Output is correct
115 Correct 23 ms 3992 KB Output is correct
116 Correct 23 ms 3540 KB Output is correct
117 Correct 23 ms 3608 KB Output is correct
118 Correct 32 ms 4032 KB Output is correct
119 Correct 27 ms 3644 KB Output is correct
120 Correct 24 ms 3288 KB Output is correct
121 Correct 27 ms 3380 KB Output is correct
122 Correct 23 ms 3608 KB Output is correct
123 Correct 23 ms 4048 KB Output is correct
124 Correct 23 ms 3544 KB Output is correct
125 Correct 23 ms 3472 KB Output is correct
126 Correct 26 ms 3892 KB Output is correct
127 Correct 24 ms 4092 KB Output is correct
128 Correct 23 ms 3544 KB Output is correct
129 Correct 22 ms 3256 KB Output is correct
130 Correct 18 ms 3488 KB Output is correct