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Submission #844268

# Submission time Handle Problem Language Result Execution time Memory
844268 2023-09-05T11:56:46 Z AsandeiStefan Balloons (CEOI11_bal) C++17
10 / 100
 258 ms 13924 KB 
#include <iomanip>
#include <iostream>
#include <stack>
#include <vector>

struct sphere {
  long double x, max_r;
};

int n;
std::vector<sphere> v;
std::stack<sphere> s;

int main() {
  std::cin >> n;

  v = std::vector<sphere>(n);
  for (int i = 0; i < n; i++) {
    std::cin >> v[i].x >> v[i].max_r;
  }

  for (int i = 0; i < n; i++) {
    long double min_r = v[i].max_r;
    while (!s.empty()) {
      sphere prev = s.top();
      min_r = std::min(min_r, ((prev.x - v[i].x) * (prev.x - v[i].x)) /
                                  (4 * prev.max_r));
      if (min_r >= prev.max_r)
        s.pop();
      else
        break;
    }
    s.push(v[i]);
    std::cout << std::fixed << std::setprecision(5) << min_r << '\n';
  }

  return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB 5th numbers differ - expected: '17.1630000000', found: '4.3706900000', error = '12.7923100000'
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB 2 numbers

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 3rd numbers differ - expected: '0.0420000000', found: '2.0833300000', error = '2.0413300000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB 3rd numbers differ - expected: '121.0000000000', found: '120.0182900000', error = '0.9817100000'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 1824 KB 3rd numbers differ - expected: '211.0000000000', found: '210.0105600000', error = '0.9894400000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 61 ms 3360 KB 3rd numbers differ - expected: '15396.0000000000', found: '9489.3934600000', error = '5906.6065400000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 139 ms 7248 KB 3rd numbers differ - expected: '7936.0000000000', found: '6084.6244400000', error = '1851.3755600000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 146 ms 8400 KB 6th numbers differ - expected: '5053.0000000000', found: '5052.0004500000', error = '0.9995500000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 204 ms 11204 KB 3rd numbers differ - expected: '1872.0000000000', found: '1871.0012000000', error = '0.9988000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 258 ms 13924 KB 3rd numbers differ - expected: '2960.0000000000', found: '2959.0007600000', error = '0.9992400000'
2 Halted 0 ms 0 KB -