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Submission #883313

# Submission time Handle Problem Language Result Execution time Memory
883313 2023-12-05T06:47:15 Z MisterReaper Balloons (CEOI11_bal) C++17
50 / 100
 2000 ms 4852 KB 
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
using d64 = long double;

i64 sq(int a) {
    return 1LL * 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 << fixed << setprecision(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 348 KB 10 numbers

Subtask #2
10.0 / 10.0

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

Subtask #3
10.0 / 10.0

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

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 348 KB 2000 numbers

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 933 ms 1272 KB 20000 numbers

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2021 ms 2044 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 2065 ms 2960 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 2058 ms 3148 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 2054 ms 4064 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 2045 ms 4852 KB Time limit exceeded
2 Halted 0 ms 0 KB -