답안 #710853

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
710853	2023-03-16T02:20:44 Z	awu	Lightning Rod (NOI18_lightningrod)	C++14	80 / 100	2000 ms	156752 KB

lightningrod

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

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")

#define int long long
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define debug(x) do{auto y = x; cout << #x << " = " << y << endl;}while(0)
// #define endl "\n"
#define unordered_map __gnu_pbds::gp_hash_table
using pii = pair<int, int>;

const int inf = 1ll << 60;
const int MOD = 1e9 + 7;

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n; cin >> n;
  vector<pii> pts(n);
#pragma GCC ivdep
  for(int i = 0; i < n; i++) {
    int x, y; cin >> x >> y;
    pts[i] = {x - y, -(x + y)};
  }
  sort(all(pts));
  int hi = -inf;
  int ans = 0;
  for(auto p : pts) {
    p.s *= -1;
    if(p.s > hi) {
      hi = p.s;
      ans++;
    }
  }
  cout << ans << endl;
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1533 ms	152100 KB	Output is correct
2	Correct	1514 ms	151876 KB	Output is correct
3	Correct	1505 ms	147708 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	320 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 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	320 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	320 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 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	320 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 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	320 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 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	320 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	380 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	320 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 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	320 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	336 KB	Output is correct
12	Correct	1 ms	380 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	51 ms	3528 KB	Output is correct
15	Correct	47 ms	3668 KB	Output is correct
16	Correct	41 ms	3544 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1588 ms	156752 KB	Output is correct
2	Correct	1621 ms	156540 KB	Output is correct
3	Correct	1553 ms	152796 KB	Output is correct

Subtask #7

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1533 ms	152100 KB	Output is correct
2	Correct	1514 ms	151876 KB	Output is correct
3	Correct	1505 ms	147708 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	320 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	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	320 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	320 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	336 KB	Output is correct
15	Correct	1 ms	380 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	51 ms	3528 KB	Output is correct
18	Correct	47 ms	3668 KB	Output is correct
19	Correct	41 ms	3544 KB	Output is correct
20	Correct	1588 ms	156752 KB	Output is correct
21	Correct	1621 ms	156540 KB	Output is correct
22	Correct	1553 ms	152796 KB	Output is correct
23	Execution timed out	2104 ms	142520 KB	Time limit exceeded
24	Halted	0 ms	0 KB	-