oj.uz

답안 #840894

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
840894 2023-08-31T20:22:12 Z PagodePaiva Balloons (CEOI11_bal) C++17
0 / 100
 570 ms 5580 KB 
#include<bits/stdc++.h>
#define N 200010
#define int long long

using namespace std;

double res[N];

int32_t main(){
    int n;
    cin >> n;
    stack <pair <double, double>> s;
    s.push({0, 0});

    cout << fixed << setprecision(3);

    for(int i = 1;i <= n;i++){
        double a, b;
        cin >> a >> b;

        while(!s.empty()){
            auto [x, y] = s.top();
            // cout << x << ' ' << y << '\n';
            if(y == 0){
                res[i] = b;
                break;
            }

            res[i] = min(b, (a-x)*(a-x)/(4*y));

            // cout << res[i] << ' ';

            if(res[i] >= y){
                s.pop();
            }

            else{
                cout << y << "\n";
                break;
            }
        }

        s.push({a, res[i]});
    }

    for(int i = 1;i <= n;i++){
        cout << res[i] << '\n';
    }
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 2nd numbers differ - expected: '4.1670000000', found: '49.0000000000', error = '44.8330000000'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 2nd numbers differ - expected: '252735385.4379999936', found: '1000000000.0000000000', error = '747264614.5620000362'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 336 KB 2nd numbers differ - expected: '0.0010000000', found: '213.0000000000', error = '212.9990000000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 6 ms 376 KB 4th numbers differ - expected: '117.0000000000', found: '121.0000000000', error = '4.0000000000'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 63 ms 1056 KB 9th numbers differ - expected: '202.0000000000', found: '206.0010000000', error = '4.0010000000'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 142 ms 2016 KB 3rd numbers differ - expected: '15396.0000000000', found: '15398.0000000000', error = '2.0000000000'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 287 ms 3276 KB 12th numbers differ - expected: '7920.0000000000', found: '7923.0000000000', error = '3.0000000000'
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 347 ms 3660 KB 3rd numbers differ - expected: '5055.0000000000', found: '5059.0000000000', error = '4.0000000000'
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 453 ms 4720 KB 13th numbers differ - expected: '1861.0000000000', found: '1863.0000000000', error = '2.0000000000'
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 570 ms 5580 KB 9th numbers differ - expected: '2952.0000000000', found: '2955.0000000000', error = '3.0000000000'
2 Halted 0 ms 0 KB -