oj.uz

Submission #1077191

# Submission time Handle Problem Language Result Execution time Memory
1077191 2024-08-27T02:43:01 Z serpent_121 Balloons (CEOI11_bal) C++17
30 / 100
 439 ms 4432 KB 
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <deque>
#include <numeric>
#include <cmath>
#include <cstring>
#include <climits>
#include <stack>
#include <bitset>
typedef long long ll;
using namespace std;
// https://oj.uz/problem/view/CEOI11_bal

int main() {
    ll n; cin >> n;
    stack<pair<double,long double>> s;
    for (int i = 0; i<n; i++) {
        double x,r; cin >> x >> r;
        long double constraint = r;
        while (!s.empty()) {
            long double c = (x-s.top().first)*(x-s.top().first)/(long double)(4*s.top().second);
            constraint = min(constraint,c);
            if (constraint > s.top().second) s.pop(); // we are sure that we can inflate to at least s.top().second
            else break; // now we are sure that a stronger constraint cannot be delivered
        }
        s.push({x,constraint});
        cout << constraint << '\n';
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB 10 numbers

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 1st numbers differ - expected: '247294217.0000000000', found: '247294000.0000000000', error = '217.0000000000'
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB 505 numbers

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 348 KB 2000 numbers

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 45 ms 600 KB 2953rd numbers differ - expected: '1030.4380000000', found: '1030.4400000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 113 ms 1808 KB 251st numbers differ - expected: '15123.0020000000', found: '15123.0000000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 218 ms 2540 KB 285th numbers differ - expected: '7629.0020000000', found: '7629.0000000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 269 ms 2872 KB 511th numbers differ - expected: '4494.0050000000', found: '4494.0100000000', error = '0.0050000000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 350 ms 3676 KB 164th numbers differ - expected: '1698.0020000000', found: '1698.0000000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 439 ms 4432 KB 248th numbers differ - expected: '2694.0020000000', found: '2694.0000000000', error = '0.0020000000'
2 Halted 0 ms 0 KB -