답안 #200045

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200045 2020-02-05T04:00:45 Z wilwxk Lightning Rod (NOI18_lightningrod) C++14
100 / 100
850 ms 229716 KB
#include <bits/stdc++.h>
using namespace std;

vector<pair<int, int> > st;
int n;

int getn() {
	char ch = getchar_unlocked();
    int ans = 0;
    while(!isdigit(ch)) {
        ch = getchar_unlocked();
    }
    while(isdigit(ch)) {
        ans = ans * 10 + ch - '0';
        ch = getchar_unlocked();
    }
    return ans;
}

int main() {
	n = getn();
	for(int i = 1; i <= n; i++) {
		int a = getn();
		int b = getn();
		if(st.size() && a-st.back().first <= abs(b-st.back().second) && st.back().second >= b) continue; 
		while(st.size() && a-st.back().first <= abs(b-st.back().second)) st.pop_back();
		st.push_back({a, b});
	}
	printf("%d\n", int(st.size()));
}
# 결과 실행 시간 메모리 Grader output
1 Correct 500 ms 131924 KB Output is correct
2 Correct 627 ms 229588 KB Output is correct
3 Correct 631 ms 229716 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 296 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 296 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 296 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 296 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 380 KB Output is correct
14 Correct 19 ms 376 KB Output is correct
15 Correct 17 ms 376 KB Output is correct
16 Correct 18 ms 1520 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 488 ms 66176 KB Output is correct
2 Correct 537 ms 145472 KB Output is correct
3 Correct 545 ms 142152 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 500 ms 131924 KB Output is correct
2 Correct 627 ms 229588 KB Output is correct
3 Correct 631 ms 229716 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 296 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 380 KB Output is correct
17 Correct 19 ms 376 KB Output is correct
18 Correct 17 ms 376 KB Output is correct
19 Correct 18 ms 1520 KB Output is correct
20 Correct 488 ms 66176 KB Output is correct
21 Correct 537 ms 145472 KB Output is correct
22 Correct 545 ms 142152 KB Output is correct
23 Correct 850 ms 175916 KB Output is correct
24 Correct 747 ms 157048 KB Output is correct
25 Correct 685 ms 140384 KB Output is correct