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Submission #1063846

# Submission time Handle Problem Language Result Execution time Memory
1063846 2024-08-18T04:22:39 Z Luvidi Lightning Rod (NOI18_lightningrod) C++17
80 / 100
 2000 ms 246496 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fs first
#define sc second
#define pb push_back

void solve() {
    int n;
    cin>>n;
    pii a[n];
    for(int i=0;i<n;i++){
        cin>>a[i].fs>>a[i].sc;
        a[i]={a[i].fs-a[i].sc,-a[i].fs-a[i].sc};
    }
    sort(a,a+n);
    int cnt=0,last=2e9;
    for(int i=0;i<n;i++){
        if(a[i].sc<last){
            cnt++;
            last=a[i].sc;
        }
    }
    cout<<cnt;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    solve();
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1190 ms 189088 KB Output is correct
2 Correct 1091 ms 188428 KB Output is correct
3 Correct 1065 ms 183264 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 36 ms 5204 KB Output is correct
15 Correct 33 ms 5204 KB Output is correct
16 Correct 37 ms 4544 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1269 ms 174564 KB Output is correct
2 Correct 1241 ms 174656 KB Output is correct
3 Correct 1193 ms 170336 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1190 ms 189088 KB Output is correct
2 Correct 1091 ms 188428 KB Output is correct
3 Correct 1065 ms 183264 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 36 ms 5204 KB Output is correct
18 Correct 33 ms 5204 KB Output is correct
19 Correct 37 ms 4544 KB Output is correct
20 Correct 1269 ms 174564 KB Output is correct
21 Correct 1241 ms 174656 KB Output is correct
22 Correct 1193 ms 170336 KB Output is correct
23 Execution timed out 2008 ms 246496 KB Time limit exceeded
24 Halted 0 ms 0 KB -