// IOI 2021
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ends ' '
#define die(x) return cout << x << endl, 0
#define all(v) v.begin(), v.end()
#define sz(x) (int)(x.size())
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) { cerr << ends << H; debug_out(T...); }
#define debug(...) cerr << "{" << #__VA_ARGS__ << "}:", debug_out(__VA_ARGS__)
typedef long long ll;
typedef pair<int, int> pii;
const ll INF = 1e9;
const ll MOD = 1e9 + 7;
////////////////////////////////////////////////////////////////////
const int N = 3e2 + 5;
int B[N], DP[N][N * N];
int main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int n, m, k, sum = 0; cin >> n >> m >> k;
if (m < k) die("Impossible");
for (int i = 0; i < n; i++) {
int a; cin >> a;
sum += a;
if (a < k) die("Impossible");
}
for (int i = 1; i <= m; i++) for (int j = 0; j < N * N; j++) DP[i][j] = -INF;
DP[0][0] = 0;
for (int i = 1; i <= m; i++) cin >> B[i];
for (int i = 1; i <= m; i++) for (int j = 0; j < N * N; j++) {
DP[i][j] = DP[i - 1][j];
if (j >= B[i]) DP[i][j] = max(DP[i][j], DP[i - 1][j - B[i]] + min(B[i], n));
}
for (int i = 0; i + sum < N * N; i++) if (DP[m][i + sum] >= n * k) die(i);
cout << "Impossible" << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1144 KB |
Output is correct |
2 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1144 KB |
Output is correct |
2 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
128 ms |
95428 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
14844 KB |
Output is correct |
2 |
Correct |
21 ms |
14968 KB |
Output is correct |
3 |
Correct |
24 ms |
14840 KB |
Output is correct |
4 |
Correct |
21 ms |
14840 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
1144 KB |
Output is correct |
2 |
Incorrect |
3 ms |
1144 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |