oj.uz

Submission #674732

# Submission time Handle Problem Language Result Execution time Memory
674732 2022-12-26T04:48:58 Z QwertyPi Arcade (NOI20_arcade) C++14
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
using namespace std;

const int MAXM = 5e5 + 11;
int t[MAXM], a[MAXM];

int32_t main(){
	cin.tie(0); cout.tie(0)->sync_with_stdio(false);
	int n, m; cin >> n >> m;
	for(int i = 0; i < m; i++) cin >> t[i];
	for(int i = 0; i < m; i++) cin >> a[i];
	
	vector<pair<int, int>> v;
	for(int i = 0; i < m; i++) v.push_back({a[i] - t[i], a[i] + t[i]});
	sort(v.begin(), v.end(), [](pair<int, int> x, pair<int, int> y){
		return x.fi < y.fi || x.fi == y.fi && x.se > y.se;
	});
	set<int> s; s.insert(1LL << 60);
	for(auto i : v){
		auto ptr = s.upper_bound(i.se);
		if(ptr != s.begin()) {
			s.erase(prev(ptr));
			s.insert(i.se);
		}else{
			s.insert(i.se);
		}
	}
	cout << s.size() - 1 << endl;
}

Compilation message

Arcade.cpp: In lambda function:
Arcade.cpp:19:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |   return x.fi < y.fi || x.fi == y.fi && x.se > y.se;
      |                                      ^

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -