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Submission #883311

# Submission time Handle Problem Language Result Execution time Memory
883311 2023-12-05T06:45:35 Z MisterReaper Balloons (CEOI11_bal) C++17
20 / 100
 2000 ms 7560 KB 
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
using d64 = long double;

i64 sq(int a) {
    return a * a;
} 

d64 calc(int ax, int bx, d64 ar) {
    return d64(sq(bx - ax)) / (4 * ar);
}

#define ONLINE_JUDGE
void solve() {
    int n;
    cin >> n;

    vector <int> x(n +1);
    vector <d64> r(n +1);
    for(int i = 1; i <= n; i++) {
        cin >> x[i] >> r[i];
    }

    cout.precision(9);

    for(int i = 1; i <= n; i++) {
        for(int j = i -1; j >= 1; j--) {
            r[i] = min(r[i], calc(x[i], x[j], r[j]));
        }

        cout << r[i] << "\n";
    }
    
    return;
}

signed main() {
    #ifndef ONLINE_JUDGE
        freopen("in.txt", "r", stdin);
        freopen("out.txt", "w", stdout);
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    int t = 1; //cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB 10 numbers

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB 2nd numbers differ - expected: '252735385.4379999936', found: '0.9334151240', error = '252735384.5045848787'
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB 505 numbers

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 528 KB 216th numbers differ - expected: '204.7450000000', found: '-4362157.0499999998', error = '4362361.7949999999'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 896 ms 1384 KB 203rd numbers differ - expected: '482.0130000000', found: '-2497845.7900000000', error = '2498327.8029999998'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2082 ms 2500 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2041 ms 4196 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2020 ms 4736 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2097 ms 6144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2033 ms 7560 KB Time limit exceeded
2 Halted 0 ms 0 KB -