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Submission #667987

# Submission time Handle Problem Language Result Execution time Memory
667987 2022-12-02T13:33:34 Z bashkort Lightning Rod (NOI18_lightningrod) C++17
80 / 100
 2000 ms 246556 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<pair<int, int>> p(n);
    for (int i = 0; i < n; ++i) {
        int a, b;
        cin >> a >> b;
        p[i].first = a + b, p[i].second = b - a;
    }

    sort(p.begin(), p.end(), greater());

    int mx = -1e9;
    int ans = 0;
    for (auto [x, y] : p) {
        if (mx < y) {
            mx = y;
            ans += 1;
        }
    }

    cout << ans << '\n';

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1374 ms 76116 KB Output is correct
2 Correct 1419 ms 75844 KB Output is correct
3 Correct 1365 ms 73812 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
5 Correct 1 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 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
5 Correct 1 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 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 364 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 212 KB Output is correct
5 Correct 1 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 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 49 ms 5332 KB Output is correct
15 Correct 52 ms 5152 KB Output is correct
16 Correct 42 ms 4428 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1708 ms 78272 KB Output is correct
2 Correct 1450 ms 78108 KB Output is correct
3 Correct 1415 ms 76264 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1374 ms 76116 KB Output is correct
2 Correct 1419 ms 75844 KB Output is correct
3 Correct 1365 ms 73812 KB Output is correct
4 Correct 0 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 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 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 49 ms 5332 KB Output is correct
18 Correct 52 ms 5152 KB Output is correct
19 Correct 42 ms 4428 KB Output is correct
20 Correct 1708 ms 78272 KB Output is correct
21 Correct 1450 ms 78108 KB Output is correct
22 Correct 1415 ms 76264 KB Output is correct
23 Execution timed out 2029 ms 246556 KB Time limit exceeded
24 Halted 0 ms 0 KB -