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Submission #549585

# Submission time Handle Problem Language Result Execution time Memory
549585 2022-04-16T05:15:46 Z Jomnoi Balloons (CEOI11_bal) C++17
10 / 100
 228 ms 5260 KB 
#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin >> n;
    stack <pair <double, double>> stk;
    for(int i = 1; i <= n; i++) {
        double x, r, nr;
        cin >> x >> r;
        
        while(!stk.empty() and (nr = (stk.top().first - x) * (stk.top().first - x) / (4 * stk.top().second)) <= r) {
            r = min(nr, r);
            stk.pop();
        }
        stk.emplace(x, r);
        cout << fixed << setprecision(3) << r << '\n';
    }
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 5th numbers differ - expected: '17.1630000000', found: '99.0000000000', error = '81.8370000000'
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB 2 numbers

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 3rd numbers differ - expected: '0.0420000000', found: '3.0000000000', error = '2.9580000000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 328 KB 114th numbers differ - expected: '39.0180000000', found: '56.0000000000', error = '16.9820000000'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 776 KB 196th numbers differ - expected: '100.7250000000', found: '111.0000000000', error = '10.2750000000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 63 ms 1552 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 123 ms 2896 KB 7236th numbers differ - expected: '0.0070000000', found: '7.0000000000', error = '6.9930000000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 133 ms 3352 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 182 ms 4300 KB 1730th numbers differ - expected: '5.6890000000', found: '6.8060000000', error = '1.1170000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 228 ms 5260 KB 2716th numbers differ - expected: '22.1690000000', found: '43.0000000000', error = '20.8310000000'
2 Halted 0 ms 0 KB -