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Submission #733818

# Submission time Handle Problem Language Result Execution time Memory
733818 2023-05-01T10:41:08 Z vjudge1 Lightning Rod (NOI18_lightningrod) C++17
21 / 100
 1386 ms 324 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long

int n, x, y, sx, sy, ans = 1;

void sol() {
	if(sx + sy >= x + y) {
		return;
	}
	if(sx - sy < x - y) {
		ans++;
	}
	sx = x;
	sy = y;
	return;
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	    
	cin >> n;
	cin >> x >> y;
	sx = x;
	sy = y;
	for(int i = 1; i < n; i++) {
		cin >> x >> y;
		sol();
	}
	cout << ans;
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1310 ms 300 KB Output is correct
2 Correct 1359 ms 304 KB Output is correct
3 Correct 1221 ms 304 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 1 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 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #3
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 1 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 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Incorrect 1 ms 324 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
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 1 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 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Incorrect 1 ms 324 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
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 1 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 316 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Incorrect 1 ms 324 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1386 ms 296 KB Output is correct
2 Correct 1284 ms 300 KB Output is correct
3 Correct 1307 ms 316 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1310 ms 300 KB Output is correct
2 Correct 1359 ms 304 KB Output is correct
3 Correct 1221 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 316 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Incorrect 1 ms 324 KB Output isn't correct
12 Halted 0 ms 0 KB -