#include <bits/stdc++.h>
#define int long long
using namespace std;
bool comp(pair<int,int> a, pair<int,int> b){
if(a.first==b.first) return a.second>b.second;
return a.first<b.first;
}
signed main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
int N; cin >> N;
vector<pair<int,int>> a(N);
for (int i = 0; i < N; i++)
{
int x,e; cin >> x >> e;
a[i]={x-e, x+e};
}
sort(a.begin(), a.end(), comp);
int sum=1;
int r=a[0].second;
for (int i = 1; i < N; i++)
{
if(r<a[i].second) {
sum++;
}
r=max(a[i].second, r);
}
cout << sum << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
33 ms |
4768 KB |
Output is correct |
| 3 |
Correct |
44 ms |
5968 KB |
Output is correct |
| 4 |
Correct |
110 ms |
15028 KB |
Output is correct |
| 5 |
Correct |
65 ms |
10652 KB |
Output is correct |
| 6 |
Correct |
129 ms |
15696 KB |
Output is correct |
| 7 |
Correct |
130 ms |
16204 KB |
Output is correct |
| 8 |
Correct |
130 ms |
16180 KB |
Output is correct |
| 9 |
Correct |
93 ms |
16324 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
512 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
512 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
504 KB |
Output is correct |
| 24 |
Correct |
1 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
33 ms |
4768 KB |
Output is correct |
| 3 |
Correct |
44 ms |
5968 KB |
Output is correct |
| 4 |
Correct |
110 ms |
15028 KB |
Output is correct |
| 5 |
Correct |
65 ms |
10652 KB |
Output is correct |
| 6 |
Correct |
129 ms |
15696 KB |
Output is correct |
| 7 |
Correct |
130 ms |
16204 KB |
Output is correct |
| 8 |
Correct |
130 ms |
16180 KB |
Output is correct |
| 9 |
Correct |
93 ms |
16324 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
512 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
344 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
344 KB |
Output is correct |
| 23 |
Correct |
0 ms |
344 KB |
Output is correct |
| 24 |
Correct |
0 ms |
344 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
344 KB |
Output is correct |
| 27 |
Correct |
0 ms |
344 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
344 KB |
Output is correct |
| 30 |
Correct |
1 ms |
344 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
1 ms |
504 KB |
Output is correct |
| 33 |
Correct |
1 ms |
344 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
344 KB |
Output is correct |
| 36 |
Correct |
87 ms |
10996 KB |
Output is correct |
| 37 |
Correct |
108 ms |
14812 KB |
Output is correct |
| 38 |
Correct |
126 ms |
17592 KB |
Output is correct |
| 39 |
Correct |
122 ms |
14924 KB |
Output is correct |
| 40 |
Correct |
126 ms |
17488 KB |
Output is correct |
| 41 |
Correct |
128 ms |
17744 KB |
Output is correct |
| 42 |
Correct |
133 ms |
17604 KB |
Output is correct |
| 43 |
Correct |
126 ms |
16464 KB |
Output is correct |
| 44 |
Correct |
138 ms |
17740 KB |
Output is correct |
| 45 |
Correct |
110 ms |
13900 KB |
Output is correct |
