#include <bits/stdc++.h>
using namespace std;
#define int long long
pair < int , int > rot(pair < int , int > a){
return {a.first - a.second , a.first + a.second};
}
void solve(){
int n;cin >> n;
pair < int , int > arr[n];
for(int i = 0;i<n;i++){
cin >> arr[i].first >> arr[i].second;
arr[i] = rot(rot(rot(arr[i])));
}
sort(arr , arr + n);
int ans = 0 , miny = 1e18 + 7;
for(int i = 0;i<n;i++){
if(arr[i].second < miny){
miny = arr[i].second;
ans++;
}
}
cout << ans << endl;
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int testcase = 1;//cin >> testcase;
while(testcase--)solve();
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
28 ms |
3932 KB |
Output is correct |
| 3 |
Correct |
40 ms |
5268 KB |
Output is correct |
| 4 |
Correct |
104 ms |
12528 KB |
Output is correct |
| 5 |
Correct |
52 ms |
5464 KB |
Output is correct |
| 6 |
Correct |
107 ms |
8028 KB |
Output is correct |
| 7 |
Correct |
115 ms |
8276 KB |
Output is correct |
| 8 |
Correct |
124 ms |
8252 KB |
Output is correct |
| 9 |
Correct |
80 ms |
8248 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 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 |
456 KB |
Output is correct |
| 7 |
Correct |
0 ms |
592 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 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 |
348 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 |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 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 |
456 KB |
Output is correct |
| 7 |
Correct |
0 ms |
592 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 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 |
348 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 |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
548 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
28 ms |
3932 KB |
Output is correct |
| 3 |
Correct |
40 ms |
5268 KB |
Output is correct |
| 4 |
Correct |
104 ms |
12528 KB |
Output is correct |
| 5 |
Correct |
52 ms |
5464 KB |
Output is correct |
| 6 |
Correct |
107 ms |
8028 KB |
Output is correct |
| 7 |
Correct |
115 ms |
8276 KB |
Output is correct |
| 8 |
Correct |
124 ms |
8252 KB |
Output is correct |
| 9 |
Correct |
80 ms |
8248 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
456 KB |
Output is correct |
| 16 |
Correct |
0 ms |
592 KB |
Output is correct |
| 17 |
Correct |
0 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
344 KB |
Output is correct |
| 27 |
Correct |
0 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
548 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
73 ms |
5468 KB |
Output is correct |
| 37 |
Correct |
94 ms |
7060 KB |
Output is correct |
| 38 |
Correct |
109 ms |
8280 KB |
Output is correct |
| 39 |
Correct |
101 ms |
8260 KB |
Output is correct |
| 40 |
Correct |
110 ms |
8260 KB |
Output is correct |
| 41 |
Correct |
113 ms |
8256 KB |
Output is correct |
| 42 |
Correct |
116 ms |
8024 KB |
Output is correct |
| 43 |
Correct |
119 ms |
8284 KB |
Output is correct |
| 44 |
Correct |
117 ms |
8256 KB |
Output is correct |
| 45 |
Correct |
93 ms |
8024 KB |
Output is correct |
