답안 #744007

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
744007	2023-05-18T07:09:31 Z	vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	100 / 100	1729 ms	155636 KB

lightningrod

    #include<bits/stdc++.h>
    using namespace std;

    struct point
    {
        int x,y;
    };

    int n;
    vector<point> vec;
    stack<point> st;
    int cnt = 0;

    int main()
    {
        ios_base::sync_with_stdio(0); cin.tie(0);
        cin >> n;
        for(int i=0;i<n;++i)
        {
            int a,b;
            cin >> a >> b;
            vec.push_back({a,b});
        }
        for(int i=0;i<n;++i)
        {
            while(!st.empty() && vec[i].y-st.top().y >= abs(vec[i].x-st.top().x)) st.pop();
            if(st.empty() || !(st.top().y-vec[i].y >= abs(vec[i].x-st.top().x)))
            {
    //            cout << "add " << vec[i].x << " " << vec[i].y << '\n';
                st.push({vec[i].x,vec[i].y});
            }
        }
        cout << st.size();
        return 0;
    }

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1568 ms	155636 KB	Output is correct
2	Correct	1527 ms	155216 KB	Output is correct
3	Correct	1411 ms	150960 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct

Subtask #4

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct

Subtask #5

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	34 ms	2512 KB	Output is correct
15	Correct	41 ms	2472 KB	Output is correct
16	Correct	34 ms	2412 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1501 ms	131868 KB	Output is correct
2	Correct	1485 ms	131800 KB	Output is correct
3	Correct	1433 ms	131924 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1568 ms	155636 KB	Output is correct
2	Correct	1527 ms	155216 KB	Output is correct
3	Correct	1411 ms	150960 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	34 ms	2512 KB	Output is correct
18	Correct	41 ms	2472 KB	Output is correct
19	Correct	34 ms	2412 KB	Output is correct
20	Correct	1501 ms	131868 KB	Output is correct
21	Correct	1485 ms	131800 KB	Output is correct
22	Correct	1433 ms	131924 KB	Output is correct
23	Correct	1729 ms	132020 KB	Output is correct
24	Correct	1661 ms	131776 KB	Output is correct
25	Correct	1593 ms	131784 KB	Output is correct