답안 #667989

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
667989	2022-12-02T13:36:30 Z	bashkort	Lightning Rod (NOI18_lightningrod)	C++17	80 / 100	2000 ms	78312 KB

lightningrod

#include <bits/stdc++.h>

using namespace std;

constexpr int N = 10000000;

pair<int, int> p[N];

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

    int n;
    cin >> 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, p + n);

    int ans = 0, mx = -1e9;
    for (int i = n - 1; i >= 0; --i) {
        ans += (mx < p[i].second && (mx = p[i].second, 1));
    }

    cout << ans << '\n';

    return 0;
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1535 ms	76068 KB	Output is correct
2	Correct	1391 ms	75952 KB	Output is correct
3	Correct	1370 ms	73860 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	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	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	1 ms	212 KB	Output is correct
10	Correct	0 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	1 ms	340 KB	Output is correct

Subtask #5

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	1 ms	212 KB	Output is correct
10	Correct	0 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	1 ms	340 KB	Output is correct
14	Correct	64 ms	1740 KB	Output is correct
15	Correct	47 ms	1824 KB	Output is correct
16	Correct	45 ms	1756 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1796 ms	78220 KB	Output is correct
2	Correct	1517 ms	78312 KB	Output is correct
3	Correct	1540 ms	76276 KB	Output is correct

Subtask #7

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1535 ms	76068 KB	Output is correct
2	Correct	1391 ms	75952 KB	Output is correct
3	Correct	1370 ms	73860 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 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	1 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	1 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	64 ms	1740 KB	Output is correct
18	Correct	47 ms	1824 KB	Output is correct
19	Correct	45 ms	1756 KB	Output is correct
20	Correct	1796 ms	78220 KB	Output is correct
21	Correct	1517 ms	78312 KB	Output is correct
22	Correct	1540 ms	76276 KB	Output is correct
23	Execution timed out	2078 ms	71172 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-