oj.uz

답안 #398688

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
398688 2021-05-04T17:45:32 Z iulia13 Kitchen (BOI19_kitchen) C++14
21 / 100
 19 ms 824 KB 
#include <iostream>
#include <algorithm>
using namespace std;
const int nmax = 305;
int dp[2][nmax * nmax];
int b[nmax];
int main()
{
    ///bagi artificial o singura data un chef la o anumita mancarica ca te int doar ca suma timp chefi >= suma timpi mancare dupa
    ///=> un chef contribuie la min(n, bi) mancarici
    ///tb n*k in total minim
    ///dp[x] = x ore chefi ; contributie artificiala
    ///dp[i][x] -> primii i chefi x ore => dp[i+1][x] = dp[i][x] (nu te int) + dp[i][x - b[i + 1]] => 0/1 dp
    int A, a, n, m, k, i, j, B;
    cin >> n >> m >> k;
    A = B = 0;
    for (i = 1; i <= n; i++)
    {
        cin >> a; A += a;
        if (a < k)
        {
            cout << "Impossible";
            return 0;
        }
    }
    for (j = 1; j <= m; j++)
        cin >> b[j], B += b[j];
    sort(b + 1, b + m + 1);
    reverse(b + 1, b + m + 1);
    for (i = 1; i <= m; i++)
        for (j = b[i]; j <= B; j++)
            dp[i % 2][j] = max(dp[1 - i % 2][j - b[i]] + min(b[i], n), dp[1 - i % 2][j]);
    for (i = A; i <= B; i++)
        if (dp[m % 2][i] >= n * k)
        {
            cout << i - A;
            return 0;
        }
    cout << "Impossible";
    return 0;
    return 0;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 824 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #5
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -