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Submission #412855

# Submission time Handle Problem Language Result Execution time Memory
412855 2021-05-27T17:17:48 Z aryan12 Global Warming (NOI13_gw) C++17
40 / 40
 290 ms 17612 KB 
#include <bits/stdc++.h>
using namespace std;

void Solve() {
	int n;
	cin >> n;
	vector<pair<int, int> > a(n + 1);
	vector<bool> isTaken(n + 3);
	for(int i = 1; i <= n; i++) {
		cin >> a[i].first;
		isTaken[i] = false;
		a[i].second = i;
	}
	sort(a.begin() + 1, a.end());
	isTaken[0] = true;
	isTaken[n + 1] = true;
	int ans = 0, curr = 0;
	for(int i = 1; i <= n; i++) {
		int curVal = a[i].first;
		for(int j = i; j <= n; j++) {
			if(a[j].first != curVal)
				break;
			i = j;
			isTaken[a[j].second] = true;
			if(!isTaken[a[j].second - 1] && !isTaken[a[j].second + 1]) {
				curr++;
			}
			else if(isTaken[a[j].second - 1] && isTaken[a[j].second + 1]) {
				curr--;
			}
		}
		ans = max(ans, curr);
	}
	cout << ans + 1 << "\n";
}

int32_t main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) {
		Solve();
	}
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1100 KB Output is correct
2 Correct 20 ms 1100 KB Output is correct
3 Correct 20 ms 1100 KB Output is correct
4 Correct 21 ms 1100 KB Output is correct
5 Correct 21 ms 1100 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 1100 KB Output is correct
2 Correct 19 ms 1100 KB Output is correct
3 Correct 23 ms 1100 KB Output is correct
4 Correct 23 ms 1100 KB Output is correct
5 Correct 23 ms 1100 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 17516 KB Output is correct
2 Correct 271 ms 17600 KB Output is correct
3 Correct 246 ms 17612 KB Output is correct
4 Correct 290 ms 17604 KB Output is correct
5 Correct 233 ms 16964 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 248 ms 16900 KB Output is correct
2 Correct 268 ms 16836 KB Output is correct
3 Correct 257 ms 16960 KB Output is correct
4 Correct 241 ms 11208 KB Output is correct
5 Correct 220 ms 11072 KB Output is correct