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Submission #442660

# Submission time Handle Problem Language Result Execution time Memory
442660 2021-07-08T14:13:24 Z oneskovic Balloons (CEOI11_bal) C++14
10 / 100
 282 ms 5672 KB 
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <vector>
#include <stack>
using namespace std;
typedef long long ll;

struct stack_element
{
	double x, radius;
};

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);

	int n; cin >> n;
	stack<stack_element> s;
	for (int i = 0; i < n; i++)
	{
		double new_x, max_radius; cin >> new_x >> max_radius;

		while (!s.empty())
		{
			double prev_radius = s.top().radius;
			double prev_x = s.top().x;
			double dx = (prev_x - new_x);
			double radius_to_intersect = (dx*dx / (2 * prev_radius)) / 2.0;
			if (radius_to_intersect < max_radius)
			{
				max_radius = radius_to_intersect;
				s.pop();
			}
			else
				break;
		}
		s.push({ new_x,max_radius });
		cout << fixed << setprecision(5);
		cout << max_radius << "\n";
	}

	return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB 5th numbers differ - expected: '17.1630000000', found: '99.0000000000', error = '81.8370000000'

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB 2 numbers

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB 3rd numbers differ - expected: '0.0420000000', found: '3.0000000000', error = '2.9580000000'

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 332 KB 114th numbers differ - expected: '39.0180000000', found: '56.0000000000', error = '16.9820000000'

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 748 KB 196th numbers differ - expected: '100.7250000000', found: '111.0000000000', error = '10.2750000000'

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 78 ms 1692 KB 13945th numbers differ - expected: '0.0140000000', found: '7.0000000000', error = '6.9860000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 143 ms 3012 KB 7236th numbers differ - expected: '0.0070000000', found: '7.0000000000', error = '6.9930000000'

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 174 ms 3520 KB 4645th numbers differ - expected: '0.0260000000', found: '8.0000000000', error = '7.9740000000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 221 ms 4680 KB 1730th numbers differ - expected: '5.6890000000', found: '6.8055600000', error = '1.1165600000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 282 ms 5672 KB 2716th numbers differ - expected: '22.1690000000', found: '43.0000000000', error = '20.8310000000'
2 Halted 0 ms 0 KB -