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Submission #218321

# Submission time Handle Problem Language Result Execution time Memory
218321 2020-04-02T01:21:43 Z Chancho Balloons (CEOI11_bal) C++14
20 / 100
 285 ms 11304 KB 
#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n; cin >> n;
    int pila[n];
    long double x[n];
    long double r[n];
    long double ans[n];
    for(int i=0;i<n;i++){
        cin >> x[i] >> r[i];
    }
    pila[0] =0;
    int index = 0;
    long double k;
    for(int i=0;i<n;i++){
        if(i==0){
            ans[0] = r[0];
        }
        else{
            bool first = true;
            while (index >= 0){
                if(first){
                k = min(r[i],((x[i]-x[pila[index]])/(4*ans[pila[index]]))*(x[i]-x[pila[index]]));
                first = false;
                }
                else{
                k = min(k,((x[i]-x[pila[index]])/(4*ans[pila[index]]))*(x[i]-x[pila[index]]));
                }
                if(k<=r[index]){
                    break;
                }
                pila[index] = 0;
                index--;
            }
            ans[i] = k;
            pila[index+1] = i;
            index++;
        }
        cout << fixed << setprecision(3) << ans[i] << "\n";
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB 10 numbers

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB 2 numbers

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 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 7 ms 512 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 28 ms 1528 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 67 ms 3168 KB 13952nd numbers differ - expected: '0.1880000000', found: '1.3800000000', error = '1.1920000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 133 ms 5880 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 164 ms 6776 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 203 ms 8952 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 285 ms 11304 KB 2718th numbers differ - expected: '2.2100000000', found: '3.0000000000', error = '0.7900000000'
2 Halted 0 ms 0 KB -