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Submission #674888

# Submission time Handle Problem Language Result Execution time Memory
674888 2022-12-26T12:49:41 Z QwertyPi Lightning Rod (NOI18_lightningrod) C++14
100 / 100
 1649 ms 174052 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e7 + 11;
int p[N][2], pi = 0;
int main(){
	cin.tie(0); cout.tie(0)->sync_with_stdio(false);
	int n; cin >> n;
	for(int i = 0; i < n; i++){
		int x, y; cin >> x >> y;
		while(pi > 0 && abs(p[pi - 1][0] - x) <= y - p[pi - 1][1]) pi--;
		if(pi > 0 && abs(p[pi - 1][0] - x) <= p[pi - 1][1] - y) continue;
		p[pi][0] = x, p[pi][1] = y; pi++;
	}
	cout << pi << endl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1354 ms 104608 KB Output is correct
2 Correct 1367 ms 113516 KB Output is correct
3 Correct 1375 ms 110924 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 340 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 340 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 340 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 340 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 340 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 340 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 42 ms 3888 KB Output is correct
15 Correct 36 ms 3624 KB Output is correct
16 Correct 42 ms 3604 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1315 ms 75056 KB Output is correct
2 Correct 1326 ms 77768 KB Output is correct
3 Correct 1303 ms 65888 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1354 ms 104608 KB Output is correct
2 Correct 1367 ms 113516 KB Output is correct
3 Correct 1375 ms 110924 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 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 1 ms 340 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 340 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 42 ms 3888 KB Output is correct
18 Correct 36 ms 3624 KB Output is correct
19 Correct 42 ms 3604 KB Output is correct
20 Correct 1315 ms 75056 KB Output is correct
21 Correct 1326 ms 77768 KB Output is correct
22 Correct 1303 ms 65888 KB Output is correct
23 Correct 1649 ms 174052 KB Output is correct
24 Correct 1643 ms 153476 KB Output is correct
25 Correct 1584 ms 125260 KB Output is correct