#include<iostream>
#include<algorithm>
using namespace std;
int n, m, k;
const int maxn = 1010;
const int inf = maxn * maxn + 400;
int a[maxn];
int az = 0;
int b[maxn];
int dp[maxn][inf];
int sol = inf;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m >> k;
int r = 0;
for (int i = 0; i < n; i++){
cin >> a[i];
az += a[i];
if (a[i] < k){
r = 1;
}
}
for (int i = 0; i < m; i++){
cin >> b[i];
}
for (int i = m - 1; i >= 0; i--){
for (int j = maxn * maxn; j >= 0; j--){
dp[i][j] = dp[i + 1][j];
dp[i][j + b[i]] = max(dp[i][j + b[i]], dp[i + 1][j] + min(n, b[i]));
}
}
for (int j = maxn * maxn; j >= 0; j--){
if (dp[0][j] >= k * n && j >= az){
sol = min(sol, j);
}
}
if (r == 0 && sol != inf){
cout << sol - az;
}
else {
cout << "Impossible";
}
}
Compilation message
/usr/bin/ld: failed to convert GOTPCREL relocation; relink with --no-relax
collect2: error: ld returned 1 exit status
