답안 #743056

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
743056	2023-05-17T07:40:21 Z	Joo	Lightning Rod (NOI18_lightningrod)	C++17	80 / 100	2000 ms	80016 KB

lightningrod

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

bool isContain(pair<int, int> &a, pair<int, int> &b)
{
    return (abs(a.first - b.first) <= a.second - b.second);
}

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    stack<pair<int, int>> st;
    for (int i = 1; i <= n; i++)
    {
        pair<int, int> tmp;
        cin >> tmp.first >> tmp.second;
        while (!st.empty() and isContain(tmp, st.top()))
            st.pop();
        if (st.empty() or !isContain(st.top(), tmp))
            st.push(tmp);
    }
    cout << st.size() << "\n";
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1651 ms	79888 KB	Output is correct
2	Correct	1552 ms	80016 KB	Output is correct
3	Correct	1504 ms	77900 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	316 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 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	1 ms	316 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	7 ms	340 KB	Output is correct
12	Correct	4 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	1 ms	316 KB	Output is correct
2	Correct	1 ms	324 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 KB	Output is correct
6	Correct	2 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	7 ms	340 KB	Output is correct
12	Correct	4 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	47 ms	3872 KB	Output is correct
15	Correct	39 ms	3620 KB	Output is correct
16	Correct	47 ms	3608 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1716 ms	57444 KB	Output is correct
2	Correct	1782 ms	57780 KB	Output is correct
3	Correct	1575 ms	56548 KB	Output is correct

Subtask #7

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1651 ms	79888 KB	Output is correct
2	Correct	1552 ms	80016 KB	Output is correct
3	Correct	1504 ms	77900 KB	Output is correct
4	Correct	1 ms	316 KB	Output is correct
5	Correct	1 ms	324 KB	Output is correct
6	Correct	1 ms	324 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	320 KB	Output is correct
9	Correct	2 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	7 ms	340 KB	Output is correct
15	Correct	4 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	47 ms	3872 KB	Output is correct
18	Correct	39 ms	3620 KB	Output is correct
19	Correct	47 ms	3608 KB	Output is correct
20	Correct	1716 ms	57444 KB	Output is correct
21	Correct	1782 ms	57780 KB	Output is correct
22	Correct	1575 ms	56548 KB	Output is correct
23	Execution timed out	2009 ms	7236 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-