답안 #742916

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
742916	2023-05-17T06:05:58 Z	vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	100 / 100	1763 ms	174996 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	1486 ms	174996 KB	Output is correct
2	Correct	1429 ms	157564 KB	Output is correct
3	Correct	1453 ms	157168 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	324 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	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	324 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	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	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	212 KB	Output is correct
2	Correct	1 ms	324 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	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	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	360 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	332 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	324 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	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	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	360 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	36 ms	3756 KB	Output is correct
15	Correct	37 ms	3532 KB	Output is correct
16	Correct	34 ms	3656 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1342 ms	147376 KB	Output is correct
2	Correct	1419 ms	121056 KB	Output is correct
3	Correct	1400 ms	117948 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1486 ms	174996 KB	Output is correct
2	Correct	1429 ms	157564 KB	Output is correct
3	Correct	1453 ms	157168 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	324 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	0 ms	212 KB	Output is correct
10	Correct	0 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	1 ms	360 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	36 ms	3756 KB	Output is correct
18	Correct	37 ms	3532 KB	Output is correct
19	Correct	34 ms	3656 KB	Output is correct
20	Correct	1342 ms	147376 KB	Output is correct
21	Correct	1419 ms	121056 KB	Output is correct
22	Correct	1400 ms	117948 KB	Output is correct
23	Correct	1753 ms	98192 KB	Output is correct
24	Correct	1763 ms	136568 KB	Output is correct
25	Correct	1643 ms	121952 KB	Output is correct