# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
985227 | OAleksa | Kitchen (BOI19_kitchen) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
const int N = 310;
int n, m, k, a[N], b[N];
int dp[N * N], ndp[N * N];
int dp2[N * N], dp3[N * N];
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt = 1;
//cin >> tt;
while (tt--) {
cin >> n >> m >> k;
for (int i = 1;i <= n;i++)
cin >> a[i];
sort(a + 1, a + n + 1);
for (int i = 1;i <= m;i++)
cin >> b[i];
sort(b + 1, b + m + 1);
if (m < k || a[1] < k)
cout << "Impossible";
else {
dp[0] = {1, 0};
for (int i = 1;i <= m;i++) {
for (int j = 0;j < N * N;j++) {
if (j < b[i]) {
dp3[j] = dp2[j];
ndp[j] = dp[j];
}
else {
ndp[j] = (dp[j] | dp[j - b[i]]);
dp3[j] = dp2[j];
int x = min(n, b[i]);
if ((j >= n * k && j - x < n * k) && ndp[j])
dp3[j] = 1;
dp3[j] = (dp3[j] | dp2[j - b[i]]);
}
}
for (int i = 0;i < N * N;i++) {
dp[i] = ndp[i], ndp[i] = {0, 0};
dp2[i] = dp3[i], dp3[i] = 0;
}
}
int s = 0, ans = 1e9;
for (int i = 1;i <= n;i++)
s += a[i];
for (int i = N * N - 1;i >= s;i--) {
if (dp2[i])
ans = i - s;
}
if (ans == 1e9)
cout << "Impossible\n";
else
cout << ans << '\n';
}
}
return 0;
}