답안 #363594

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
363594	2021-02-06T16:38:45 Z	keta_tsimakuridze	Lightning Rod (NOI18_lightningrod)	C++14	80 / 100	2000 ms	157328 KB

lightningrod

#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
const int N=1e7+5;
int t,x,y,n;
stack<pair<int,int> > s; 
 main(){
 	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
		cin>>n;
		for(int i=1;i<=n;i++){
			cin>>x>>y;
			int a1=x-y;
			while(s.size() && s.top().f>=a1) s.pop();
			int a2=x+y;
			if(s.size()==0 || s.top().s<a2) s.push({a1,a2});
		}
		cout<<s.size();
}

Compilation message

lightningrod.cpp:8:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    8 |  main(){
      |       ^

Subtask #1

4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1669 ms	79936 KB	Output is correct
2	Correct	1714 ms	79504 KB	Output is correct
3	Correct	1642 ms	77536 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct

Subtask #4

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct

Subtask #5

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	46 ms	492 KB	Output is correct
15	Correct	43 ms	364 KB	Output is correct
16	Correct	39 ms	1132 KB	Output is correct

Subtask #6

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1816 ms	51440 KB	Output is correct
2	Correct	1821 ms	51532 KB	Output is correct
3	Correct	1748 ms	50304 KB	Output is correct

Subtask #7

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1669 ms	79936 KB	Output is correct
2	Correct	1714 ms	79504 KB	Output is correct
3	Correct	1642 ms	77536 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	46 ms	492 KB	Output is correct
18	Correct	43 ms	364 KB	Output is correct
19	Correct	39 ms	1132 KB	Output is correct
20	Correct	1816 ms	51440 KB	Output is correct
21	Correct	1821 ms	51532 KB	Output is correct
22	Correct	1748 ms	50304 KB	Output is correct
23	Correct	1983 ms	5648 KB	Output is correct
24	Execution timed out	2041 ms	157328 KB	Time limit exceeded
25	Halted	0 ms	0 KB	-