oj.uz

답안 #1108527

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1108527 2024-11-04T10:57:35 Z dzhoz0 Balloons (CEOI11_bal) C++17
10 / 100
 55 ms 7500 KB 
/*
    ghmt the cutie :3
          UwU
*/

#include <bits/stdc++.h>
#include <iomanip>
using namespace std;

#define int long long
#define INF 1e18
#define f first
#define s second
#define pii pair<int, int>
#define vi vector<int>

const int MOD = 1'000'000'000 + 7;

void setIO(string name = "")
{
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
#ifdef LOCAL
    freopen("inp.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
#else
    if (!name.empty())
    {
        freopen((name + ".INP").c_str(), "r", stdin);
        freopen((name + ".OUT").c_str(), "w", stdout);
    }
#endif
}
const int MAXN = 2e5;
int n;
double x[MAXN + 5], r[MAXN + 5];
double res[MAXN + 5];

int sq(int x) {
    return x * x;            
}

namespace sub1 {
    bool check() {
        return n <= 2'000;
    }

    void solve() {
        for(int i = 1; i <= n; i++) {
            res[i] = r[i];
            for(int j = 1; j < i; j++) {
                res[i] = min(res[i], sq(x[i] - x[j]) / (4 * r[j]));
            }
        }

        for(int i = 1; i <= n; i++) cout << fixed << setprecision(6) << res[i] << '\n';
    }
}

void solve()
{
    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> x[i] >> r[i];
    }
    if(sub1::check()) {
        sub1::solve();
        return;
    }
}
signed main()
{
    setIO();
    int t = 1;
    // cin >> t;
    while (t--)
        solve();
}

Compilation message

bal.cpp: In function 'void setIO(std::string)':
bal.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen((name + ".INP").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bal.cpp:30:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         freopen((name + ".OUT").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 4432 KB 5th numbers differ - expected: '17.1630000000', found: '4.3706900000', error = '12.7923100000'
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4432 KB 2 numbers

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 4432 KB 5th numbers differ - expected: '0.1170000000', found: '0.0833330000', error = '0.0336670000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 4432 KB 3rd numbers differ - expected: '121.0000000000', found: '120.0182930000', error = '0.9817070000'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 7 ms 4688 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 14 ms 5068 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 38 ms 5960 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 31 ms 6088 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 44 ms 6728 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 55 ms 7500 KB Unexpected end of file - double expected
2 Halted 0 ms 0 KB -