oj.uz

Submission #567267

# Submission time Handle Problem Language Result Execution time Memory
567267 2022-05-23T09:53:06 Z RealSnake Kitchen (BOI19_kitchen) C++14
41 / 100
 16 ms 684 KB 
#include "bits/stdc++.h"
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<pair<int, int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

#define ll long long
#define mod 1000000007

ofstream fout(".out");
ifstream fin(".in");

int dp[90001];

signed main() {

    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n, m, k;
    cin >> n >> m >> k;
    int a[n], b[m];
    int x = 0;
    bool bad = 0;
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        x += a[i];
        if(a[i] < k)
            bad = 1;
    }
    int sum = 0;
    for(int i = 0; i < m; i++) {
        cin >> b[i];
        sum += b[i];
    }
    if(bad) {
        cout << "Impossible";
        return 0;
    }
    if(k == 1) {
        dp[0] = 1;
        for(int i = 0; i < m; i++) {
            for(int j = 90000; j >= b[i]; j--)
                dp[j] |= dp[j - b[i]];
        }
        for(int i = x; i <= 90000; i++) {
            if(dp[i]) {
                cout << i - x;
                return 0;
            }
        }
        cout << "Impossible";
        return 0;
    }
    sort(b, b + n);
    for(int i = m - 1; i >= 0; i--) {
        for(int j = sum; j >= b[i]; j--) {
            if(dp[j - b[i]] + min(n, b[i]) > dp[j])
                dp[j] = dp[j - b[i]] + min(n, b[i]);
        }
    }
    for(int i = x; i <= sum; i++) {
        if(dp[i] >= n * k) {
            cout << i - x;
            return 0;
        }
    }
    cout << "Impossible";

    return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 684 KB Output is correct
2 Correct 10 ms 684 KB Output is correct
3 Correct 13 ms 684 KB Output is correct
4 Correct 16 ms 596 KB Output is correct
5 Correct 15 ms 596 KB Output is correct
6 Correct 11 ms 684 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -