답안 #954687

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
954687	2024-03-28T10:53:15 Z	Warinchai	Lightning Rod (NOI18_lightningrod)	C++14	100 / 100	1422 ms	262144 KB

lightningrod

#include<bits/stdc++.h>
using namespace std;
vector<pair<int,int>>v;
bool check(pair<int,int>f,pair<int,int>s){
    return abs(f.first-s.first)<=f.second-s.second;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;cin>>n;
    int a,b;
    for(int i=1;i<=n;i++){
        cin>>a>>b;
        v.push_back({a,b});
    }
    stack<pair<int,int>>st;
    st.push(v[0]);
    for(int i=1;i<n;i++){
        a=v[i].first;
        b=v[i].second;
        if(!check(st.top(),v[i])){
            while(!st.empty()&&check(v[i],st.top())){
                st.pop();
            }
            st.push(v[i]);
        }
    }
    cout<<st.size();
}

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1200 ms	243092 KB	Output is correct
2	Correct	1223 ms	242980 KB	Output is correct
3	Correct	1183 ms	247788 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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	388 KB	Output is correct
12	Correct	1 ms	592 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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	388 KB	Output is correct
12	Correct	1 ms	592 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	30 ms	5580 KB	Output is correct
15	Correct	30 ms	5320 KB	Output is correct
16	Correct	28 ms	5320 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1225 ms	202796 KB	Output is correct
2	Correct	1181 ms	205472 KB	Output is correct
3	Correct	1161 ms	203380 KB	Output is correct

Subtask #7

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1200 ms	243092 KB	Output is correct
2	Correct	1223 ms	242980 KB	Output is correct
3	Correct	1183 ms	247788 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	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	388 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	30 ms	5580 KB	Output is correct
18	Correct	30 ms	5320 KB	Output is correct
19	Correct	28 ms	5320 KB	Output is correct
20	Correct	1225 ms	202796 KB	Output is correct
21	Correct	1181 ms	205472 KB	Output is correct
22	Correct	1161 ms	203380 KB	Output is correct
23	Correct	1422 ms	262144 KB	Output is correct
24	Correct	1323 ms	242648 KB	Output is correct
25	Correct	1309 ms	228876 KB	Output is correct