답안 #1048534

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1048534	2024-08-08T08:10:02 Z	lamagril	Lightning Rod (NOI18_lightningrod)	C++14	100 / 100	1160 ms	145616 KB

lightningrod

#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(NULL)->sync_with_stdio(false);
    int n; cin >> n;
    stack<pair<int,int>> s;
    int a,b; cin >> a >> b;
    s.push({a,b});
    for(int ti=2 ; ti<=n ; ti++){
        int a,b; cin >> a >> b;
        bool bo=false;
        while(!s.empty() && a-s.top().first<=b-s.top().second){
            s.pop();
            bo=true;
        }
        if(bo){
            s.push({a,b});
            continue;
        }
        if(abs(s.top().first-a)<=s.top().second-b){
            continue;
        }
        s.push({a,b});
    }
    cout << s.size() << '\n';
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	856 ms	136596 KB	Output is correct
2	Correct	864 ms	136156 KB	Output is correct
3	Correct	917 ms	132344 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct

Subtask #4

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct

Subtask #5

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	460 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	23 ms	3296 KB	Output is correct
15	Correct	26 ms	3280 KB	Output is correct
16	Correct	28 ms	3360 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	914 ms	134208 KB	Output is correct
2	Correct	921 ms	134248 KB	Output is correct
3	Correct	905 ms	129952 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	856 ms	136596 KB	Output is correct
2	Correct	864 ms	136156 KB	Output is correct
3	Correct	917 ms	132344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	460 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	604 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	344 KB	Output is correct
14	Correct	0 ms	604 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	23 ms	3296 KB	Output is correct
18	Correct	26 ms	3280 KB	Output is correct
19	Correct	28 ms	3360 KB	Output is correct
20	Correct	914 ms	134208 KB	Output is correct
21	Correct	921 ms	134248 KB	Output is correct
22	Correct	905 ms	129952 KB	Output is correct
23	Correct	1160 ms	145616 KB	Output is correct
24	Correct	974 ms	126948 KB	Output is correct
25	Correct	1002 ms	111596 KB	Output is correct