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Submission #762184

# Submission time Handle Problem Language Result Execution time Memory
762184 2023-06-21T03:39:35 Z anha3k25cvp Kitchen (BOI19_kitchen) C++14
100 / 100
 28 ms 596 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define dl double
#define st first
#define nd second
#define II pair <int, int>

using namespace std;

const int N = 5 + 1e5;
const int inf = 7 + 1e9;

vector <int> a, f;

int main() {
#define TASKNAME ""
    ios_base :: sync_with_stdio (0);
    cin.tie (0);
    if ( fopen( TASKNAME".inp", "r" ) ) {
        freopen (TASKNAME".inp", "r", stdin);
        freopen (TASKNAME".out", "w", stdout);
    }
    int n, m, k;
    cin >> n >> m >> k;
    int val = 0;
    for (int i = 1; i <= n; i ++) {
        int x;
        cin >> x;
        if (x < k) {
            cout << "Impossible";
            return 0;
        }
        val += x;
    }
    int ma = 0;
    a.assign(m + 1, 0);
    for (int i = 1; i <= m; i ++) {
        cin >> a[i];
        ma += a[i];
    }
    f.assign(ma + 1, -1);
    int ans = inf;
    f[0] = 0;
    for (int num = 0; num <= m; num ++)
        for (int sum = ma; sum >= 0; sum --)
            if (f[sum] >= 0) {
                if (num < m)
                    f[sum + a[num + 1]] = max(f[sum + a[num + 1]], f[sum] + min(a[num + 1], n));
                if (sum >= val && f[sum] >= n * k)
                    ans = min(ans, sum);
            }
    if (ans < inf)
        cout << ans - val;
    else
        cout << "Impossible";
    return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:21:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen (TASKNAME".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:22:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen (TASKNAME".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 468 KB Output is correct
2 Correct 13 ms 468 KB Output is correct
3 Correct 17 ms 448 KB Output is correct
4 Correct 28 ms 596 KB Output is correct
5 Correct 26 ms 596 KB Output is correct
6 Correct 10 ms 468 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 15 ms 468 KB Output is correct
15 Correct 13 ms 468 KB Output is correct
16 Correct 17 ms 448 KB Output is correct
17 Correct 28 ms 596 KB Output is correct
18 Correct 26 ms 596 KB Output is correct
19 Correct 10 ms 468 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 9 ms 468 KB Output is correct
26 Correct 13 ms 468 KB Output is correct
27 Correct 5 ms 432 KB Output is correct
28 Correct 15 ms 468 KB Output is correct
29 Correct 21 ms 596 KB Output is correct
30 Correct 28 ms 580 KB Output is correct