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답안 #222126

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
222126 2020-04-12T07:26:02 Z Vimmer Akvizna (COCI19_akvizna) C++14
20 / 130
 1500 ms 262148 KB 
#include <bits/stdc++.h>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 100005
#define MOD ll(998244353)

using namespace std;

typedef long long ll;

typedef long double ld;


ld dp[5001][5001];

int main()
{

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, k;

    cin >> n >> k;

    for (int i = 0; i <= n; i++)
        for (int j = 0; j <= k; j++) dp[i][j] = 0;

    for (int i = n; i >= 0; i--)
        for (int j = 0; j < k; j++)
          for (int u = 0; u <= i; u++)
            {
                ld x = i;

                ld y = u;

                ld sm = 0;

                if (x != 0) sm = y / x;

                if (dp[i][j] + sm > dp[i - u][j + 1]) dp[i - u][j + 1] = dp[i][j] + sm;
            }
    cout << setprecision(10) << fixed;

    ld ans = 0;

    for (int i = 0; i <= n; i++) ans = max(ans, dp[i][k]);

    cout << ans << endl;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 7 ms 768 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 6 ms 768 KB Output is correct
3 Correct 7 ms 768 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 6 ms 768 KB Output is correct
3 Correct 6 ms 768 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 7 ms 896 KB Output is correct
3 Correct 6 ms 768 KB Output is correct

Subtask #5
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1582 ms 29056 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1595 ms 36608 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1593 ms 31488 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1597 ms 36860 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1589 ms 28288 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1573 ms 26880 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1584 ms 28032 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #12
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1596 ms 26752 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #13
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1601 ms 35580 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 447 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 483 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 378 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 525 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 353 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 478 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #20
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 398 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #21
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 457 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #22
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 346 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #23
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 394 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #24
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 386 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #25
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 442 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #26
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 556 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -