답안 #586322

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
586322	2022-06-30T06:47:53 Z	Jomnoi	Lightning Rod (NOI18_lightningrod)	C++17	100 / 100	1784 ms	192540 KB

lightningrod

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

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int N;
    cin >> N;

    stack <pair <int, int>> stk;
    for(int i = 1; i <= N; i++) {
        int x, y;
        cin >> x >> y;

        while(!stk.empty() and stk.top().first >= x - y) {
            stk.pop();
        }
        if(stk.empty() or stk.top().second < x + y) {
            stk.emplace(x - y, x + y);
        }
    }
    cout << stk.size();
    return 0;
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1378 ms	192540 KB	Output is correct
2	Correct	1388 ms	192064 KB	Output is correct
3	Correct	1374 ms	186352 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	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	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	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	320 KB	Output is correct
8	Correct	1 ms	320 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	1 ms	212 KB	Output is correct
2	Correct	1 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	320 KB	Output is correct
8	Correct	1 ms	320 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	1 ms	212 KB	Output is correct
2	Correct	1 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	320 KB	Output is correct
8	Correct	1 ms	320 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	39 ms	3780 KB	Output is correct
15	Correct	44 ms	3660 KB	Output is correct
16	Correct	42 ms	3740 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1342 ms	146864 KB	Output is correct
2	Correct	1386 ms	146652 KB	Output is correct
3	Correct	1348 ms	143072 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1378 ms	192540 KB	Output is correct
2	Correct	1388 ms	192064 KB	Output is correct
3	Correct	1374 ms	186352 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	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	320 KB	Output is correct
11	Correct	1 ms	320 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	39 ms	3780 KB	Output is correct
18	Correct	44 ms	3660 KB	Output is correct
19	Correct	42 ms	3740 KB	Output is correct
20	Correct	1342 ms	146864 KB	Output is correct
21	Correct	1386 ms	146652 KB	Output is correct
22	Correct	1348 ms	143072 KB	Output is correct
23	Correct	1784 ms	173216 KB	Output is correct
24	Correct	1774 ms	154460 KB	Output is correct
25	Correct	1617 ms	138376 KB	Output is correct