#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 5e5 + 5;
int n, x, y;
vector<pair<int, int>> v;
stack<pair<int, int>> st;
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n;
for(int i = 0; i < n; i++) cin >> x >> y, v.emplace_back(x, y);
sort(all(v));
for(int i = 0; i < n; i++){
auto&[x, y] = v[i];
while(st.size() && y - st.top().second >= x - st.top().first) st.pop();
if(st.empty() || st.top().second - y < x - st.top().first) st.emplace(x, y);
}
cout << st.size();
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:19:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
19 | auto&[x, y] = v[i];
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
29 ms |
2272 KB |
Output is correct |
| 3 |
Correct |
42 ms |
2480 KB |
Output is correct |
| 4 |
Correct |
112 ms |
4480 KB |
Output is correct |
| 5 |
Correct |
55 ms |
4476 KB |
Output is correct |
| 6 |
Correct |
114 ms |
7888 KB |
Output is correct |
| 7 |
Correct |
116 ms |
5972 KB |
Output is correct |
| 8 |
Correct |
126 ms |
4548 KB |
Output is correct |
| 9 |
Correct |
83 ms |
4484 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
320 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
320 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
29 ms |
2272 KB |
Output is correct |
| 3 |
Correct |
42 ms |
2480 KB |
Output is correct |
| 4 |
Correct |
112 ms |
4480 KB |
Output is correct |
| 5 |
Correct |
55 ms |
4476 KB |
Output is correct |
| 6 |
Correct |
114 ms |
7888 KB |
Output is correct |
| 7 |
Correct |
116 ms |
5972 KB |
Output is correct |
| 8 |
Correct |
126 ms |
4548 KB |
Output is correct |
| 9 |
Correct |
83 ms |
4484 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
0 ms |
320 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
336 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
328 KB |
Output is correct |
| 36 |
Correct |
78 ms |
9772 KB |
Output is correct |
| 37 |
Correct |
99 ms |
11932 KB |
Output is correct |
| 38 |
Correct |
116 ms |
13952 KB |
Output is correct |
| 39 |
Correct |
110 ms |
10952 KB |
Output is correct |
| 40 |
Correct |
120 ms |
13888 KB |
Output is correct |
| 41 |
Correct |
118 ms |
13896 KB |
Output is correct |
| 42 |
Correct |
118 ms |
13928 KB |
Output is correct |
| 43 |
Correct |
116 ms |
13828 KB |
Output is correct |
| 44 |
Correct |
129 ms |
14044 KB |
Output is correct |
| 45 |
Correct |
99 ms |
14084 KB |
Output is correct |
