oj.uz

Submission #1099422

# Submission time Handle Problem Language Result Execution time Memory
1099422 2024-10-11T09:38:48 Z vjudge1 Kitchen (BOI19_kitchen) C++17
100 / 100
 21 ms 1884 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)

const int maxn = 301, inf = 1e18;
int n, m, k, a[maxn], b[maxn], f[2][maxn*maxn];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("");
    // freopen("debug.txt", "w", stderr);

    cin >> n >> m >> k;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        if (a[i] < k) {
            cout << "Impossible";
            return 0;
        }
    }
    for (int i = 1; i <= m; i++) {
        cin >> b[i];
    }

    for (int i = 1; i <= 300*300; i++) {
        f[0][i] = -inf;
    }
    for (int i = 1; i <= m; i++) {
        for (int j = 0; j <= 300*300; j++) {
            f[i%2][j] = f[(i-1)%2][j];
            if (j >= b[i]) {
                f[i%2][j] = max(f[i%2][j], f[(i-1)%2][j - b[i]] + min(n, b[i]));
            }
        }
    }

    int res = inf, sum = accumulate(a+1, a+1+n, 0LL);
    for (int i = sum; i <= 300*300; i++) {
        if (f[m%2][i] >= n*k) {
            res = i;
            break;
        }
    }

    if (res < inf) {
        cout << res - sum;
    } else {
        cout << "Impossible";
    }

    return 0 ^ 0;
}

Compilation message

kitchen.cpp: In function 'int32_t main()':
kitchen.cpp:5:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:13:5: note: in expansion of macro 'fileio'
   13 |     fileio("");
      |     ^~~~~~
kitchen.cpp:5:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:13:5: note: in expansion of macro 'fileio'
   13 |     fileio("");
      |     ^~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1716 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1716 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 2 ms 1884 KB Output is correct
11 Correct 2 ms 1628 KB Output is correct
12 Correct 2 ms 1628 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1884 KB Output is correct
2 Correct 16 ms 1628 KB Output is correct
3 Correct 21 ms 1884 KB Output is correct
4 Correct 21 ms 1884 KB Output is correct
5 Correct 20 ms 1624 KB Output is correct
6 Correct 15 ms 1884 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1628 KB Output is correct
2 Correct 4 ms 1628 KB Output is correct
3 Correct 4 ms 1884 KB Output is correct
4 Correct 4 ms 1880 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1716 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 2 ms 1884 KB Output is correct
11 Correct 2 ms 1628 KB Output is correct
12 Correct 2 ms 1628 KB Output is correct
13 Correct 2 ms 1884 KB Output is correct
14 Correct 19 ms 1884 KB Output is correct
15 Correct 16 ms 1628 KB Output is correct
16 Correct 21 ms 1884 KB Output is correct
17 Correct 21 ms 1884 KB Output is correct
18 Correct 20 ms 1624 KB Output is correct
19 Correct 15 ms 1884 KB Output is correct
20 Correct 4 ms 1628 KB Output is correct
21 Correct 4 ms 1628 KB Output is correct
22 Correct 4 ms 1884 KB Output is correct
23 Correct 4 ms 1880 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 15 ms 1880 KB Output is correct
26 Correct 17 ms 1876 KB Output is correct
27 Correct 12 ms 1884 KB Output is correct
28 Correct 17 ms 1880 KB Output is correct
29 Correct 18 ms 1628 KB Output is correct
30 Correct 21 ms 1884 KB Output is correct