답안 #667987

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
667987	2022-12-02T13:33:34 Z	bashkort	Lightning Rod (NOI18_lightningrod)	C++17	80 / 100	2000 ms	246556 KB

lightningrod

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<pair<int, int>> p(n);
    for (int i = 0; i < n; ++i) {
        int a, b;
        cin >> a >> b;
        p[i].first = a + b, p[i].second = b - a;
    }

    sort(p.begin(), p.end(), greater());

    int mx = -1e9;
    int ans = 0;
    for (auto [x, y] : p) {
        if (mx < y) {
            mx = y;
            ans += 1;
        }
    }

    cout << ans << '\n';

    return 0;
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1374 ms	76116 KB	Output is correct
2	Correct	1419 ms	75844 KB	Output is correct
3	Correct	1365 ms	73812 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	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 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	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	0 ms	212 KB	Output is correct
5	Correct	1 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	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 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	0 ms	212 KB	Output is correct
5	Correct	1 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	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	364 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	0 ms	212 KB	Output is correct
5	Correct	1 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	1 ms	340 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	49 ms	5332 KB	Output is correct
15	Correct	52 ms	5152 KB	Output is correct
16	Correct	42 ms	4428 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1708 ms	78272 KB	Output is correct
2	Correct	1450 ms	78108 KB	Output is correct
3	Correct	1415 ms	76264 KB	Output is correct

Subtask #7

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1374 ms	76116 KB	Output is correct
2	Correct	1419 ms	75844 KB	Output is correct
3	Correct	1365 ms	73812 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	0 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	1 ms	340 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	49 ms	5332 KB	Output is correct
18	Correct	52 ms	5152 KB	Output is correct
19	Correct	42 ms	4428 KB	Output is correct
20	Correct	1708 ms	78272 KB	Output is correct
21	Correct	1450 ms	78108 KB	Output is correct
22	Correct	1415 ms	76264 KB	Output is correct
23	Execution timed out	2029 ms	246556 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-